Chem Test Bank 102 PDF
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This document contains multiple-choice questions related to chemistry. Topics covered include definitions of scientific concepts like hypothesis, law, and theory, properties of matter (physical and chemical), and SI units. The questions are aimed at a secondary school level.
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Chapter 01 - Chemistry: The Study of Change Chapter 01 Chemistry: The Study of Change Multiple Choice Questions 1. A ten...
Chapter 01 - Chemistry: The Study of Change Chapter 01 Chemistry: The Study of Change Multiple Choice Questions 1. A tentative explanation for a set of observations that can be tested by further experimentation is referred to as A. a hypothesis. B. a law. C. a theory. D. none of the above. Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.03 Subtopic: Scientific Method Topic: Study of Chemistry 2. A concise verbal or mathematical statement of a relationship between phenomena that is always the same under the same conditions is referred to as A. a hypothesis. B. a law. C. a theory. D. none of the above. Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.03 Subtopic: Scientific Method Topic: Study of Chemistry 1-1 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 3. A unifying principle that explains a body of facts and relations is referred to as A. a hypothesis. B. a law. C. a theory. D. none of the above. Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.03 Subtopic: Scientific Method Topic: Study of Chemistry 4. Complete the following sentence. A hypothesis is A. a tentative explanation for a set of observations that can be tested by further experimentation. B. a statement describing a relationship between phenomena that is always the same under the same conditions. C. a unifying principle that explains a body of facts and relations. D. a model used to visualize the invisible. Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.03 Subtopic: Scientific Method Topic: Study of Chemistry 1-2 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 5. Complete the following sentence. A scientific law is A. a tentative explanation for a set of observations that can be tested by further experimentation. B. a statement describing a relationship between phenomena that is always the same under the same conditions. C. a unifying principle that explains a body of facts and relations. D. a model used to visualize the invisible. Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.03 Subtopic: Scientific Method Topic: Study of Chemistry 6. Complete the following sentence. A theory is A. a tentative explanation for a set of observations that can be tested by further experimentation. B. a statement describing a relationship between phenomena that is always the same under the same conditions. C. a unifying principle that explains a body of facts and relations. D. a model used to visualize the invisible. Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.03 Subtopic: Scientific Method Topic: Study of Chemistry 1-3 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 7. Choose the response that includes all the items listed below that are pure substances. i. orange juice ii. steam iii. ocean water iv. oxygen v. vegetable soup A. i, iii, v B. ii, iv C. i, iii, iv D. iv only E. all of them are pure Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 8. Which of the following is an example of a physical property? A. corrosiveness of sulfuric acid B. toxicity of cyanide C. flammability of gasoline D. neutralization of stomach acid with an antacid E. lead becomes a liquid when heated to 601oC Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Properties of Matter Topic: Study of Chemistry 1-4 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 9. Which one of the following is an example of a physical property? A. dynamite explodes B. meat rots if it is not refrigerated C. gasoline burns D. ice floats on top of liquid water E. a silver platter tarnishes Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Properties of Matter Topic: Study of Chemistry 10. Which one of the following represents a physical change? A. water, when heated to 100 C, forms steam B. bleach turns hair yellow C. sugar, when heated, becomes brown D. milk turns sour E. apples, when exposed to air, turn brown Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Properties of Matter Topic: Study of Chemistry 11. All of the following are properties of sodium. Which one is a physical property of sodium? A. It's surface turns black when first exposed to air. B. It is a solid at 25 C and changes to a liquid when heated to 98 C. C. When placed in water it sizzles and a gas is formed. D. When placed in contact with chlorine it forms a compound that melts at 801 C. E. Sodium is never found as the pure metal in nature. Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Properties of Matter Topic: Study of Chemistry 1-5 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 12. All of the following are properties of tin. Which one is a chemical property of tin? A. Tin can be hammered into a thin sheet. B. At –40 C a sheet of tin crumbles to a gray powder. C. Tin melts at 231.9 C. D. When a bar of tin is bent, it emits an audible "cry". E. Tin erodes when added to hydrochloric acid, and a clear gas forms. Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.06 Subtopic: Properties of Matter Topic: Study of Chemistry 13. Which one of the following represents a chemical change? A. boiling water to form steam B. burning a piece of coal C. heating lead until it melts D. mixing iron filings and sand at room temperature E. breaking glass Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.06 Subtopic: Properties of Matter Topic: Study of Chemistry 14. Which of the following does not represent a chemical change? A. a freshly cut apple turns brown B. milk turns sour on standing at room temperature C. when cooled to 0 C, liquid water becomes ice D. frying an egg E. fermentation of sugar to alcohol Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Properties of Matter Topic: Study of Chemistry 1-6 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 15. The SI prefixes kilo and milli represent, respectively: A. 10–9 and 10–6 B. 106 and 10–3 C. 103 and 10–3 D. 109 and 10–6 E. 10–9 and 10–1 Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 16. The SI prefixes micro and milli represent, respectively: A. 106 and 10–6 B. 10–3 and 106 C. 103 and 10–6 D. 10–3 and 109 E. 10–6 and 10–3 Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 17. The SI prefixes mega and deci represent, respectively: A. 103 and 10–2 B. 106 and 10–1 C. 10–3 and 10–2 D. 10–6 and 102 E. 102 and 10–3 Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-7 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 18. A centimeter corresponds to: A. 10–2 meters. B. 10–3 meters. C. 10–6 meters. D. 10–9 meters. E. 10–12 meters. Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 19. A microliter corresponds to: A. 10–2 liters. B. 10–3 liters. C. 10–6 liters. D. 10–9 liters. E. 10–12 liters. Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 20. Lead melts at 601.0 C. What temperature is this in F? A. 302 F B. 365 F C. 1,050 F D. 1,082 F E. 1,114 F Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-8 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 21. The element gallium melts at 29.8 C. What temperature is this in F? A. –54.1 F B. –7.8 F C. +13.5 F D. +51.3 F E. +85.6 F Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 22. Many home freezers maintain a temperature of 0 F. Express this temperature in C. A. –32 C B. –18 C C. 0 C D. 18 C E. 57.6 C Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-9 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 23. The highest temperature ever recorded in Phoenix, Arizona, was 122 F. Express this temperature in C. A. 50.0 C B. 64.4 C C. 67.8 C D. 162.0 C E. 219.6 C Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 24. Dry ice (carbon dioxide) changes from a solid to a gas at –78.5 C. What is this temperature in F? A. –173 F B. –12.6 F C. –109 F D. –75.6 F E. none of them are within 2 F of the right answer Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-10 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 25. Liquid nitrogen boils at –195.8 C. Express the boiling point of liquid nitrogen in kelvin. A. –469.0 K B. –77.4 K C. all temperatures are 0 K on the Kelvin scale D. 77.4 K E. 469.0 K Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 26. Liquid nitrogen boils at –195.8 C. Express the boiling point of liquid nitrogen in F. A. –384.4 F B. –352.4 F C. –320.4 F D. –140.8 F E. –76.8 F Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 27. How many milliliters is 0.005 L? A. 0.5 mL B. 5 mL C. 0.50 mL D. 0.000005 mL E. 200 mL Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-11 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 28. Express 7,500 nm as picometers. A. 7.50 pm B. 75.0 pm C. 750 pm D. 7.5 106 pm E. 7.5 1012 pm Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 29. The diameter of Earth is 12.7 Mm. Express this diameter in centimeters. A. 1.27 105 cm B. 1.27 106 cm C. 1.27 107 cm D. 1.27 108 cm E. 1.27 109 cm Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-12 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 30. In 1828, the diameter of the U.S. dime was changed to approximately 18 mm. What is this diameter when expressed in nanometers? A. 1.8 109 nm B. 1.8 107 nm C. 1.8 101 nm D. 1.8 10–5 nm E. 1.8 10–10 nm Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 31. Which of the following represents the largest mass? A. 2.0 102 mg B. 0.0010 kg C. 1.0 105 ng D. 2.0 102 cg\ E. 10.0 dg Bloom's Level: 5. Evaluate Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-13 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 32. The density of lead is 11.4 g/cm3 at 25 C. Calculate the volume occupied by 25.0 g of lead. A. 2.19 cm3 B. 0.456 cm3 C. 285 cm3 D. 1.24 cm3 E. 6.05 cm3 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 33. Iron has a density of 7.86 g/cm3. The volume occupied by 55.85 g of iron is A. 0.141 cm3. B. 7.11 cm3. C. 2.8 cm3. D. 439 cm3. E. None of the above. Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-14 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 34. Bromine is a red liquid at 25 C. Its density is 3.12 g/cm3. What is the volume of 28.1 g of liquid bromine? A. 87.7 cm3 B. 0.111 cm3 C. 9.01 cm3 D. 28.1 cm3 E. None of the above Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 35. What is the volume of a 2.5 g block of metal if its density is 4.75 g/cm3? A. 0.53 cm3 B. 1.9 cm3 C. 2.5 cm3 D. 4.75 cm3 E. 11.9 cm3 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-15 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 36. Which of the following objects will sink when dropped into a bucket of water? Given: density of water = 1.00 g/cm 3) A. a cube of aluminum (density = 2.702 g/cm3) B. a diamond (density = 3.51 g/cm3) C. a chunk of dry ice (density = 1.56 g/cm3) D. a chunk of sodium (density = 0.91 g/cm3) E. a sphere of magnesium (density = 1.74 g/cm3) Bloom's Level: 5. Evaluate Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 37. You just measured a block of wood and obtained the following information: mass = 55.120 g length = 8.5 cm height = 4.3 cm width = 3.3 cm Determine the volume and density of the wood block. A. Volume of the wood block = 110 cm3; density of the wood block = 0.36 g/cm3 B. Volume of the wood block = 120 cm3; density of the wood block = 0.36 g/cm3 C. Volume of the wood block = 110 cm3; density of the wood block = 0.46 g/cm3 D. Volume of the wood block = 120 cm3; density of the wood block = 0.46 g/cm3 E. None of the above have both the volume and density reported correctly Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-16 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 38. You just measured a metal cylinder and obtained the following information: mass = 3.543 g diameter = 0.53 cm height = 4.4 cm Determine the volume (V) and density of the cylinder. (V= r2 h, where r = radius, h = height, = 3.14) A. Volume of the cylinder = 0.87 cm3; density of the cylinder = 2.7 g/cm3 B. Volume of the cylinder = 0.97 cm3; density of the cylinder = 3.7 g/cm3 C. Volume of the cylinder = 0.87 cm3; density of the cylinder = 3.7 g/cm3 D. Volume of the cylinder = 0.97 cm3; density of the cylinder = 2.7 g/cm3 E. None of the above have both the volume and density correctly reported Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 39. You just measured a sugar cube and obtained the following information: mass = 3.48 g height = length = width = 1.3 cm Determine the volume and density of the cube. Suppose the sugar cube was added to a cup of water. Before it dissolves, will the sugar cube float or sink to the bottom? A. Volume of the sugar cube = 2.4 cm3; density of the sugar cube = 1.6 g/cm3 ; float B. Volume of the sugar cube = 2.2 cm3; density of the sugar cube = 1.6 g/cm3 ; sink C. Volume of the sugar cube = 2.2 cm3; density of the sugar cube = 1.4 g/cm3 ; sink D. None of these choices has the volume, density and sink or float decision reported correctly Bloom's Level: 5. Evaluate Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-17 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 40. Express the number 26.7 in scientific notation. A. 2.67 10–2 B. 2.67 10–1 C. 2.67 101 D. 2.67 102 E. 26.7 is already written in scientific notation Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 41. Express the number 0.000053 in scientific notation. A. 5.3 10-2 B. 5.3 10-3 C. 5.3 10-4 D. 5.3 10-5 E. 5.3 10-6 Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 42. The number 1.050 109 has how many significant figures? A. 2 B. 3 C. 4 D. 9 E. 13 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 1-18 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 43. How many significant figures are there in 0.3070 g? A. 6 B. 5 C. 4 D. 3 E. 2 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 44. After carrying out the following operations, how many significant figures are appropriate to how in the result? (13.7 + 0.027) 8.221 A. 1 B. 2 C. 3 D. 4 E. 5 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 1-19 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 45. How many significant figures does the result of the following operation contain? 8.52010 7.90 A. 2 B. 3 C. 4 D. 5 E. 6 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 46. How many significant figures does the result of the following sum contain? 8.5201 + 1.93 A. 1 B. 2 C. 3 D. 4 E. 5 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 1-20 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 47. How many significant figures does the result of the following sum contain? 8.520 + 2.7 A. 1 B. 2 C. 3 D. 4 E. 5 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 48. How many significant figures does the difference 218.7201 – 218.63 contain? A. 1 B. 2 C. 3 D. 5 E. 7 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 1-21 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 49. Using the arithmetic problem below, determine the correct number of significant figures. (1.5 10–4 61.3) + 2.01 = A. 2.0192 B. 2.0 C. 2.019 D. 2.02 E. 2.019195 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 50. Give the correct number of significant figures to the problem below. 2.4 x 10-4 + 3.1 x 10-2 = A. 5.5 x 10-6 B. 5.5 x 10-8 C. 5.5 x 10-4 D. 3.1 x 10-2 E. 2.4 x 10-4 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 1-22 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 51. Give the correct number of significant figures to the problem below. 5.80 x 10-1 – 3.4 x 10-2 = A. 5.5 x 10-1 B. 5.46 x 10-1 C. 2.4 x 10-3 D. 2.4 x 102 E. 5.5 x 10-2 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 52. Give the correct number of significant figures to the problem below. 4.5 x 1014 / 8.3 x 108 = A. 5.4 x 1021 B. 5.4 x 1022 C. 5.4 x 106 D. 5.4 x 1014 E. 5.4 x 105 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 1-23 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 53. Give the correct number of significant figures to the problem below. 6.2 x 10-13 x 5.68 x 108 = A. 3.5 x 10-13 B. 3.5 x 10-5 C. 3.5 x 10-104 D. 3.5 x 10-4 E. 3.5 x 10-21 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 54. Convert 2.340 x 10-4 to decimal format. A. 23,400 B. 2,340 C. 0.000234 D. 0.0002340 E. 0.002340 Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 55. Convert 4.5 x 104 to decimal format. A. 45,000 B. 4,500 C. 0.00045 D. 0.0045 E. 0.000450 Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 1-24 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 56. Convert 5.00 x 102 milliliters to quarts. (1L = 1.06 qt) A. 1.88 qt B. 0.472 qt C. 0.528 qt D. 4.72 105 qt E. 5.28 105 qt Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 57. 1 US barrel = 4.21 cubic feet. Express this volume in liters. A. 3.99 10–5 L B. 1.99 10–2 L C. 19.9 L D. 105 L E. 119 L Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 58. 1 barrel of oil contains 42.0 gallons. How many liters is this? (1L = 1.06 qt) A. 9.9 L B. 11 L C. 142 L D. 158 L E. 178 L Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-25 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 59. The average distance from Earth to the sun is 9.3 107 miles. How many kilometers is this? A. 1.5 108 km B. 1.5 105 km C. 5.6 107 km D. 1.7 10–8 km E. 1.5 1011 km Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 60. What is the area, in square centimeters, of an 8.5 inch by 11 inch sheet of paper? A. 94 cm2 B. 240 cm2 C. 420 cm2 D. 6.0 102 cm2 E. 1.2 104 cm2 Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-26 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 61. Suppose a house has a floor area of 2,250 square feet. What is this area in units of square centimeters? A. 2.42 cm2 B. 2.09 106 cm2 C. 5.02 104 cm2 D. 6.86 104 cm2 E. 101 cm2 Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 62. What is the volume, in cubic inches, of a brick that is 4.0 in 2.7 in 8.0 in? A. 15 in3 B. 51 in3 C. 78 in3 D. 87 in3 E. 150 in3 Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-27 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 63. What is the volume, in cubic centimeters, of a brick that is 4.0 in 2.7 in 8.0 in? A. 5.3 cm3 B. 53 cm3 C. 87 cm3 D. 4.8 102 cm3 E. 1.4 103 cm3 Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 64. How many square kilometers are equivalent to 28.5 cm2? A. 2.85 10–9 km2 B. 2.85 10–6 km2 C. 285 km2 D. 2.85 10–4 km2 E. none of these Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-28 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 65. If a car has an EPA mileage rating of 30 miles per gallon, what is this rating in kilometers per liter? (1 L = 1.06 qt) A. 200 km/L B. 180 km/L C. 70 km/L D. 13 km/L E. 11 km/L Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 66. If the price of gasoline is $3.85 per U.S. gallon, what is the cost per liter? (1 L = 1.06 qt) A. $1.02/L B. $14.60/L C. $0.96/L D. $3.85/L E. $3.63/L Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-29 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 67. An aluminum beverage can contain 12.0 fluid ounces of liquid. Express this volume in liters. 1 fl oz = 29.6 mL) A. 4.07 10-2 L B. 0.355 L C. 0.407 L D. 2.46 L E. 3.55 102 L Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 68. 1.572 108 troy oz of silver were used in the United States in 1980. How many kilograms is this? (1 troy oz = 31.1 g) A. 4.89 106 kg B. 4.89 kg C. 5.05 106 kg D. 4.89 x 1012 kg E. 5.05 103 kg Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-30 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 69. A piece of metal with a mass of 611 g is placed into a graduated cylinder that contains 25.1 mL of water, raising the water level to 56.7 mL. What is the density of the metal? A. 2.70 g/cm3 B. 7.13 g/cm3 C. 8.96 g/cm3 D. 10.5 g/cm3 E. 19.3 g/cm3 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 70. A piece of a metal alloy with a mass of 114 g was placed into a graduated cylinder that contained 25.0 mL of water, raising the water level to 42.5 mL. What is the density of the metal? A. 0.154 g/cm3 B. 0.592 g/cm3 C. 2.68 g/cm3 D. 6.51 g/cm3 E. 7.25 g/cm3 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-31 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 71. A block of iron has a mass of 826 g. What is the mass of a block of magnesium that has the same volume as the block of iron? The following densities at 25 C are provided: agnesium, 1.7 g/cm3 ; graphite, 1.8 g/cm3 ; iron, 7.9 g/cm3. A. 1,400 g B. 3,800 g C. 830 g D. 180 g E. none of them are within 10 g of the right answer. Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 72. A block of iron has a mass of 483 g. What is the mass of a block of graphite that has the same volume as the block of iron? The following densities at 25 C are provided: agnesium, 1.7 g/cm3 ; graphite, 1.8 g/cm3 ; iron, 7.9 g/cm3. A. 110 g B. 2120 g C. 6870 g D. 34 g E. none of them are within 10 g of the right answer. Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-32 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 73. Calculate the mass of the air contained in a room that measures 2.50 m 5.50 m 3.00 m (density of air = 1.29 g/dm3 at 25 C). A. 3.13 10–5 g B. 32.0 kg C. 53.2 kg D. 53.2 g E. None of the above. Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 74. Iridium is essentially tied with osmium for the distinction of being called the "densest element" with a density of 22.5 g/cm 3. What would be the mass in pounds of a 1.0 ft.0 ft 1.0 ft cube of iridium? (1 lb = 453.6 g) A. 1.5 lb B. 5.2 lb C. 6.20 lb D. 1.4 103 lb E. 6.4 105 lb Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-33 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 75. The Hope diamond weighs 44.0 carats. Determine the volume occupied by the diamond, given that its density is 3.5 g/cm 3 at 20 C, and that 1 carat = 0.200 g. A. 2.5 cm3 B. 0.40 cm3 C. 0.016 cm3 D. 63 cm3 E. 150 cm3 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 76. The density of mercury is 13.6 g/cm3. What is the mass in pounds of 1.0 gallons of mercury? (1 lb = 453.6 g; 1 gal = 3.785 L) A. 0.11 lb B. 30. Lb C. 51 lb D. 83 lb E. 110 lb Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-34 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 77. The density of mercury is 13.6 g/cm3. What volume (in quarts) is occupied by 100.g of Hg? (1 L = 1.06 qt) A. 144 qt B. 7.35 qt C. 7.79 qt D. 7.79 10–3 qt E. 1.44 10–4 qt Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 78. The "escape velocity" from Earth (the speed required to escape Earth's gravity) is 2.5 104 miles per hour. What is this speed in m/s? (1 mile = 1609 m) A. 4.2 10–3 m/s B. 6.9 m/s C. 4.2 102 m/s D. 1.1 104 m/s E. 4.0 107 m/s Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-35 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 79. Which of the following speeds is the greatest? (1 mile = 1609 m) A. 40 mi/h B. 2.0 105 mm/min C. 40 km/h D. 0.74 km/min E. 400 m/min Bloom's Level: 5. Evaluate Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 80. Convert 4.5 m3 to L. A. 4.5 x 10-1 L B. 4.5 x 101 L C. 4.5 x 10-3 L D. 4.5x103 L E. 4.5 x 102L Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 81. Convert 6.4 mm3 to mL. A. 6.4 x 10-3 mL B. 6.4 x 10-1 mL C. 6.4 x 103 mL D. 6.4 x 10-2 mL E. 6.4 mL Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-36 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 82. Convert 7.2 cm3 to mm3. A. 7.2 x 101 mm3 B. 7.2 x 10-5 mm3 C. 7.2 x 10-3 mm3 D. 7.2 x 102 mm3 E. 7.2 x 103 mm3 Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 83. Convert 4.6 km to mm. A. 4.6 x 106 mm B. 4.6 x 103 mm C. 4.6 x 10-6 mm D. 4.6 x 10-2 mm E. 4.6 x 104 mm Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 84. Convert 4.89 mm to µm. A. 4.89 x 10-6 µm B. 4.89 x 10-3 µm C. 4.89 x 103 µm D. 4.89 x 106 µm E. 4.89 x 109 µm Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-37 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 85. Give the correct number of significant figures and units to the problem below. 56 mm + 4.5 m = A. 61 mm B. 61 m C. 61 m2 D. 4.6 m E. 4.56 m Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Scientific Measurement and Significant Figures Topic: Study of Chemistry 86. Give the correct number of significant figures and units to the problem below. 3.4 x 10 -2 mg + 448 µg = A. 0.48 mg B. 0.482 mg C. 4.5 mg D. 4.48 mg E. 4.5 x 102 mg Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Scientific Measurement and Significant Figures Topic: Study of Chemistry 1-38 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 87. Give the correct number of significant figures and units to the problem below. 58.00 mg – 45.22 µg = A. 57.95 mg B. 12.78 mg C. 12.78 µg D. 57.55 µg E. 12.78 mg2 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Scientific Measurement and Significant Figures Topic: Study of Chemistry 88. Give the correct number of significant figures and units to the problem below. 4.51 m x 3.2 m = A. 14.4 m B. 14 m C. 14 m2 D. 14.4 E. 14.4 m2 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.09 Subtopic: Scientific Measurement and Significant Figures Topic: Study of Chemistry 1-39 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 89. Give the correct number of significant figures and units to the problem below. 4.5 m / 8.52 m = A. 0.528 m B. 0.53 m C. 0.53 m2 D. 0.53 E. 0.528 m2 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Scientific Measurement and Significant Figures Topic: Study of Chemistry 90. Give the correct number of significant figures and units to the problem below. 8.22 m2 / 9.11 m = A. 0.902 m2 B. 0.902 m3 C. 0.902 m D. 0.902 E. 0.90 m2 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Scientific Measurement and Significant Figures Topic: Study of Chemistry 1-40 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 91. Give the correct number of significant figures and units to the problem below. 5.46 m3/ 2.01 m2 = A. 2.72 m5 B. 2.72 m3 C. 2.72 m2 D. 2.72 m E. 2.72 m-1 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Scientific Measurement and Significant Figures Topic: Study of Chemistry 92. Give the correct number of significant figures and units to the problem below. 5.67 m/ 2.04 m2 = A. 2.78 m3 B. 2.78 m2 C. 2.78 m D. 2.78 E. 2.78 m-1 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Scientific Measurement and Significant Figures Topic: Study of Chemistry 1-41 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 93. Give the correct number of significant figures and units to the problem below. (3.45 m + 2.78 m)/ 565 s = A. 1.10 x 10-2 m2/s B. 1.10 x 10-2 m/s C. 1.10 x 10-2 s-1 D. 1.10 x 10-2 s E. 1.10 x 10-2 m2 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Scientific Measurement and Significant Figures Topic: Study of Chemistry 94. Give the correct number of significant figures and units to the problem below. (5.62 cm – 0.45 cm)/ 342 s = A. 1.51 x 10-2 s-1 B. 1.5 x 10-2 cm2/s C. 1.51 x 10-2 cm/s D. 1.5 s-1 E. 1.51 x 10-2 cm2·s Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Scientific Measurement and Significant Figures Topic: Study of Chemistry 1-42 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 95. A long course triathlon entails a 2.0 mile swim, an 85.5 mile bike ride and a 15.0 mile run. What is the total distance in kilometers for the triathlon? A. 160 km B. 165 km C. 103 km D. 164.9 km E. 102.5 km Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 96. A cyclist averages 18.5 miles per hour. How many minutes will it take for him to complete a 125 kilometer race? A. 252 min B. 652 min C. 420 min D. 1440 min E. 405 min Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-43 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 97. A runner averages 8 minutes and 25 seconds per mile. What is her average velocity in miles per hour? A. 7.27 mi/hr B. 7.13 mi/hr C. 8.42 mi/hr D. 4.36 mi/hr E. 0.140 mi/hr Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 98. Iron has a density of 7.87 g/cm3. What mass of iron would be required to cover a football playing surface of 120 yds 60 yds to a depth of 1.0 mm? (1 inch = 2.54 cm; 1 lb = 453.6 g) A. 6.4 103 lb B. 6.4 104 lb C. 1.0 105 lb D. 4.7 107 lb E. 4.7 108 lb Bloom's Level: 4. Analyze Difficulty: Difficult Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-44 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 99. Americans combined drive about 4.0 109 miles per day and their vehicles get an average of 20 miles per gallon of fuel used. For each 1 kg of gasoline that is burned, about 3.0 kg of CO2 are produced. How many kilograms of CO2 are emitted into the atmosphere each day by cars in the U.S.? One gallon of gas weighs about 3.5 kg. A. 2.1 109 kg B. 8.4 1011 kg C. 1.7 108 kg D. 93 kg E. none of these Bloom's Level: 4. Analyze Difficulty: Difficult Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 100. How many cubic centimeters of an ore containing only 0.22% gold (by mass) must be processed to obtain $100.00 worth of gold? The density of the ore is 8.0 g/cm3 and the price of gold is $818 per troy ounce. (14.6 troy oz = 1.0 ordinary pound, called an avoirdupois pound; 1 lb = 454 g) A. 0.48 cm3 B. 220 cm3 C. 1.4 103 cm3 D. 1.7 103 cm3 E. 1.8 104 cm3 Bloom's Level: 4. Analyze Difficulty: Difficult Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-45 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 101. Radio waves travel at the speed of light, which is 3.00 108 m/s. How many minutes does it take for a radio message to reach Earth from Saturn if Saturn is 7.9 108 km from Earth? A. 4.4 10–2 min B. 1.6 105 min C. 4.0 1015 min D. 44 min E. 2.6 min Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 102. Radio waves travel at the speed of light, which is 3.00 108 m/s. How many kilometers will radio messages travel in exactly one year? A. 9.46 1015 km B. 7.30 108 km C. 7.10 1010 km D. 9.46 1012 km E. 3.33 10–3 km Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-46 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 103. The city of Los Angeles is now approximately 2400 miles south of Alaska. It is moving slowly northward as the San Andreas fault slides along. If Los Angeles is to arrive near Anchorage, Alaska, in 76 million years, at what average rate will it have to move in mm per month? A. 2.0 10–10 mm/mo. B. 6.6 10–6 mm/mo. C. 4.2 mm/mo. D. 9.5 mm/mo. E. 51 mm/mo. Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 104. The recommended daily allowance (RDA) of calcium is 1.2 g. Calcium carbonate contains 12.0% calcium by mass. How many grams of calcium carbonate are needed to provide the RDA of calcium? A. 0.10 g B. 0.14 g C. 1.2 g D. 10 g E. 14 g Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-47 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 105. A spherical vessel (diameter = 2.00 cm) when empty has a mass of 2.00 g. What is the greatest volume of water that can be placed in the vessel and still have the vessel float at the surface of water? (Given: density of water = 1.00 g/cm3) A. 2.00 mL B. 31.5 mL C. 2.19 mL D. 4.19 mL E. the vessel will not float even when empty Bloom's Level: 4. Analyze Difficulty: Difficult Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 106. A spherical vessel (diameter = 5.00 cm) when empty has a mass of 12.00 g. What is the greatest volume of water that can be placed in the vessel and still have the vessel float at the surface of benzene? (Given: density of water = 1.00 g/cm3; density of benzene = 0.879 g/cm3) A. 45.5 mL B. 448 mL C. 53.4 mL D. 57.5 mL E. 65.4 mL Bloom's Level: 4. Analyze Difficulty: Difficult Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-48 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 107. One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl in water. In this mixture, 0.89% of the mass is contributed by the NaCl. What mass of NaCl is found in 450. mL of physiological saline? (Given: density of physiological saline = 1.005 g/cm3) A. 2.0 g B. 4.0 g C. 5.1 g D. 508 g E. 400 g Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 108. A special flask used in the determination of densities, called a pycnometer, has a mass of 16.3179 g when empty, and it has a mass of 48.0250 g when filled with water at 20.0 C. When this same pycnometer is filled with ethyl alcohol at 20.0 C, it is found to have a mass of 41.3934 g. Find the density of ethyl alcohol at 20.0 C. (Given: at 20.0 C, the density of water is 0.9982 g/mL) A. 0.7894 g/mL B. 0.7923 g/mL C. 0.7908 g/mL D. 1.303 g/mL E. 0.7674 g/mL Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-49 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 109. A particular flask has a mass of 17.4916 g when empty. When filled with ordinary water at 20.0 C (density = 0.9982 g/mL), the mass of the flask is now 43.9616 g. The density of so-called "heavy water" at 20.0 C is 1.1053 g/mL. What will the mass of the flask be when filled with heavy water at 20.0 C? A. 29.2573 g B. 46.8016 g C. 46.7489 g D. 29.3100 g E. 43.9140 g Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 110. Which of the following is the correct definition of matter? A. Matter is anything that has a density greater than 1 B. Matter is anything that occupies space and has mass. C. Matter must either be a solid or a liquid D. Matter can only be a pure substance E. Matter can only exist on Earth Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Properties of Matter Topic: Study of Chemistry 1-50 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 111. Which of the following is an accurate definition of a pure substance? A. A pure substance must be made of only one element B. A pure substance must be a solid at room temperature C. A pure substance will be transparent D. A pure substance is matter that cannot be broken down into other matter E. A pure substance is matter that has a definite composition Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Properties of Matter Topic: Study of Chemistry 112. Of the following which is NOT a pure substance? A. gold B. sugar C. water D. air E. methane Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-51 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 113. Which of the following is true of a mixture? A. A mixture is a combination of two or more substances in which the substances retain their distinct identities. B. A mixture is a substance that cannot be separated into simpler substances by chemical means. C. A mixture is a substance composed of atoms of two or more elements D. A mixture must be homogeneous E. A mixture must be heterogeneous Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 114. Of the following which is NOT an example of a mixture? A. gasoline B. sea water C. iron D. air E. sand Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-52 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 115. Which of the following is true of an element? A. An element is a substance composed of atoms of two or more elements B. An element is a substance that cannot be separated into simpler substances by chemical means. C. An element is combination of two or more substances in which the substances retain their distinct identities. D. An element must be heterogeneous E. An element must be a solid at room temperature Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 116. Which of the following is true of a compound? A. A compound is a substance composed of atoms of two or more elements chemically united in a fixed ratio. B. A compound is a substance that cannot be separated into simpler substances by chemical means. C. A compound is combination of two or more substances in which the substances retain their distinct identities. D. A compound must be heterogeneous. E. A compound must be a solid at room temperature. Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-53 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change True / False Questions 117. Select True or False: Ice cream is a pure substance. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 118. Select True or False: Bread is a mixture. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 119. Select True or False: Seven-Up® is a pure substance. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-54 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 120. Select True or False: Air is a pure substance. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 121. Select True or False: Table salt is an element. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 122. Select True or False: Iced tea is a mixture. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-55 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 123. Select True or False: Oxygen is an element. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 124. Select True or False: Brewed coffee is a pure substance. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 125. Select True or False: Sugar to put in coffee is a compound. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-56 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 126. Select True or False: Milk is a pure substance. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry 127. Select True or False: A pure yellow crystalline substance, when heated in a vacuum, releases a greenish gas and a red powder. Is the original yellow crystalline substance a compound? TRUE Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.04 Subtopic: Classification and States of Matter Topic: Study of Chemistry Multiple Choice Questions 1-57 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 128. What are the three states of matter? A. Compound, element, mixture B. Compound, solid, liquid C. Solid, liquid, element D. Solid, liquid, gas E. Solid, liquid, compound Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.05 Subtopic: Classification and States of Matter Topic: Study of Chemistry 129. What are the common names for the solid, liquid, and gaseous states of water? A. Ice, water, gas B. Ice, water, steam C. Cubes, liquid, vapor D. Ice, water, plasma E. Molecules, atoms, ions Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.05 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-58 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 130. Of the following which is NOT a physical property? A. Melting point B. Boiling point C. Density D. Color E. Ability to react with oxygen Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Properties of Matter Topic: Study of Chemistry True / False Questions 131. Select True or False: When bacteria changes milk to yogurt it is a chemical change. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 132. Select True or False: Hydrogen gas and nitrogen gas are combining to form ammonia gas is a chemical change. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-59 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 133. Select True or False: The formation of snowflakes is a physical change. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 134. Select True or False: The corrosion of a metal is a physical change. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 135. Select True or False: The ripening of fruit is a physical change. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-60 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 136. Select True or False: The fashioning of a piece of wood into a table leg is a physical change. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 137. Select True or False: Fermenting of grapes is physical change. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 138. Select True or False: Antifreeze boiling out of a radiator is a physical change. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-61 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 139. Select True or False: Food spoiling is a chemical change. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 140. Select True or False: Alcohol evaporating is a physical change. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 141. Select True or False: Water boiling at 100oC is a physical property. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-62 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 142. Select True or False: Newspaper burning is an example of a physical property. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry Multiple Choice Questions 143. In the process of fixing breakfast you: 1. break open the egg 2. fry it 3. cut the fried egg into pieces 4. cut toast in half Which one of these is a chemical process? A. #1 B. #2 C. #3 D. #4 E. None of the above Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-63 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change True / False Questions 144. Select True or False: Density is an intensive property. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 145. Select True or False: Length is an intensive property. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 146. Select True or False: Cost per unit is an intensive property. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-64 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 147. Select True or False: Total cost is an extensive property. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 148. Select True or False: Melting point is an extensive property. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 149. Select True or False: Boiling point is an intensive property. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-65 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 150. Select True or False: Mass is an intensive property. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.06 Subtopic: Classification and States of Matter Topic: Study of Chemistry 151. Select True or False: 0 K is the lowest temperature that can be attained theoretically. TRUE Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Properties of Matter Topic: Study of Chemistry 152. Select True or False: The lowest temperature that can be attained in units of C (use 3 significant figures) is 273oC. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-66 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change Multiple Choice Questions 153. An organic liquid has a density of 1.2 g/cm3. What is the mass of a 35.0 cm3 sample of this liquid? A. 35 g B. 29 g C. 42 g D. 36 E. None of the above Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Dimensional Analysis Topic: Study of Chemistry 154. What is the density of copper if 11.8 cm3 of copper has a mass of 105.2 g? A. 7.92 g/cm3 B. 8.92 g/cm3 C. 9.92 g/cm3 D. 10.92 g/cm3 E. None of the above Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Dimensional Analysis Topic: Study of Chemistry 1-67 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 155. What is the density of a salt solution if 75.0 mL of the solution has a mass of 32.0 g? A. 0.127 g/mL B. 0.227 g/mL C. 0.327 g/mL D. 0.427 g/mL E. None of the above Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Dimensional Analysis Topic: Study of Chemistry True / False Questions 156. Select True or False: The weight of a body varies according to the force of gravity exerted on the body. TRUE Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Classification and States of Matter Topic: Study of Chemistry 157. Select True or False: The mass of a body varies according to the force of gravity exerted on the body. FALSE Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Classification and States of Matter Topic: Study of Chemistry 1-68 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 158. Select True or False: The SI base unit of time is the hour. FALSE Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 159. Select True or False: 20 C is colder than 40 F. FALSE Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 160. Select True or False: 16 megagrams (Mg) is equal to 1.6 107 g. TRUE Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.07 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-69 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 161. Select True or False: The number 30.40 contains three significant figures. FALSE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 162. Select True or False: The number 0.07010 contains four significant figures. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 163. Select True or False: The number 9.64000 105 contains six significant figures. TRUE Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.08 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-70 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change Multiple Choice Questions 164. An automobile engine has a piston displacement of 1,600 cm3. Express this volume in liters. A. 0.16 L B. 16 L C. 1.6 L D. 160 L E. None of the above Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 165. An automobile engine has a piston displacement of 1,600 cm3. Express this volume in cubic inches. (1 in = 2.54 cm) A..0998 in3 B. 9.8 in3 C. 98 in3 D. 9980 in3 E. None of the above Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-71 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 166. An investor paid market price for a chunk of gold that he was told was pure. The gold bar had a mass of 440 g, but was slightly irregular so an exact volume could not be calculated. The investor filled a large graduated cylinder with water, immersed the chunk of gold, and observed an increase in the apparent volume of material in the graduated cylinder of 25.0 mL. Pure gold has a density of 19.3 g/cm3. What is the density of the investor's chunk of gold? A. 17.9 g/cm3 B. 17.6 g/cm3 C. 17.4 g/cm3 D. 17.1 g/cm3 E. None of the above Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Dimensional Analysis Topic: Study of Chemistry 167. An American engineer who had been transferred to Europe was asked to build bridge pilings exactly as he had in the United States. Each piling required 20.0 cubic yards of concrete in the United States. How many cubic meters of concrete are required for each piling? Given: 1yd = 0.914 m. A. 15.3 m3 B. 16.3 m3 C. 17.3 m3 D. 18.3 m3 E. None of the above Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Dimensional Analysis Topic: Study of Chemistry 1-72 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 168. A soft drink costs 75 cents for a 12-oz can. A two-liter bottle costs $1.25. How much more expensive is the can compared to the two-liter bottle? (1.0 L = 1.057 qt, 1 qt = 32 oz) A. The can is over two times more expensive by volume. B. The can is over three times more expensive by volume. C. The can is over four times more expensive by volume. D. The can is over five times more expensive by volume. E. None of the above Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Dimensional Analysis Topic: Study of Chemistry 169. A person weighs 150.0 lb, and the correct dosage of a drug is given as 1.50 mg per kilogram of body weight. How many milligrams of the drug should be given? (2.20 lb = 1 kg) A. 115 mg B. 112 mg C. 108 mg D. 102 mg E. None of the above Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Dimensional Analysis Topic: Study of Chemistry 1-73 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 170. An archeologist finds a huge monolith in the desert. In order to estimate the weight of this object; he estimates the dimensions of the monolith and removes some chips from the rock with his hammer, collecting the following data: dimensions of the monolith = 1.5 m 5.2 m 13 m mass of rock chips = 41.73 g volume of rock chips = 15.2 cm3 Determine the mass of the monolith in pounds, assuming it is of uniform composition. (1 lb = 453.6 g) A. 5.9 105 lb B. 6.1 105 lb C. 6.3 105 lb D. 6.5 105 lb E. None of the above Bloom's Level: 4. Analyze Difficulty: Difficult Gradable: automatic Section: 01.09 Subtopic: Dimensional Analysis Topic: Study of Chemistry 171. An excavator is preparing to dig a basement for a new house. Part of his contract reads that he must dispose of all the dirt he removes while digging the basement in an EPA approved landfill. He will dig a hole that is 40 feet wide by 50 feet long and 7.5 feet deep. He first uses his shovel and scoops up 1.00 kg of dirt, and then determines that the dirt as a volume of 600 cm 3. The excavator knows that his dump truck can only carry 8,000 kg of dirt. How many dump-truck loads will it take to haul the dirt away? A. 89 dump-truck loads B. 95 dump-truck loads C. 99 dump-truck loads D. 101dump-truck loads E. None of the above Bloom's Level: 4. Analyze Difficulty: Difficult Gradable: automatic Section: 01.09 Subtopic: Dimensional Analysis Topic: Study of Chemistry 1-74 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 172. What will be the cost of gasoline for a 3,700-mile trip in a car that gets 23 miles per gallon if the average price of gas is $3.90 per gallon? A. $690 B. $670 C. $650 D. $630 E. None of the above Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Dimensional Analysis Topic: Study of Chemistry 173. What will be the cost of gasoline for a 4,700-mile automobile trip if the car gets 41 miles per gallon, and the average price of gas is $3.79 per gallon? A. $410 B. $420 C. $430 D. $440 E. None of the above Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Dimensional Analysis Topic: Study of Chemistry 1-75 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 01 - Chemistry: The Study of Change 174. The density of lead is 11.4 g/cm3. Express this density in pounds per cubic foot. A. 711 lbs/ft3 B. 721 lbs/ft3 C. 731 lbs/ft3 D. 741 lbs/ft3 E. None of the above Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Dimensional Analysis Topic: Study of Chemistry 175. What is the mass of 1.00 dm3 of mercury? The density of mercury is 13.6 g/cm3. A. 1.26 104 g B. 1.36 104 g C. 1.46 104 g D. 1.56 104 g E. None of the above Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 01.09 Subtopic: Dimensional Analysis Topic: Study of Chemistry 1-76 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions Chapter 02 Atoms, Molecules, and Ions Multiple Choice Questions 1. In a cathode ray tube A. electrons pass from the anode to the cathode. B. electrons pass from the cathode to the anode. C. protons pass from the anode to the cathode. D. protons pass from the cathode to the anode. Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.02 Subtopic: Structure of the Atom Topic: Components of Matter 2. The scientist who determined the magnitude of the electric charge of the electron was A. John Dalton. B. Robert Millikan. C. J. J. Thomson. D. Henry Moseley. E. R. Chang. Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Section: 02.02 Subtopic: Structure of the Atom Topic: Components of Matter 2-1 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 3. When J. J. Thomson discovered the electron, what physical property of the electron did he measure? A. its charge, e B. its charge-to-mass ratio, e/m C. its temperature, T D. its mass, m E. its atomic number, Z Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 02.02 Subtopic: Structure of the Atom Topic: Components of Matter 4. Which of the following scientists developed the nuclear model of the atom? A. John Dalton B. Robert Millikan C. J. J. Thomson D. Henry Moseley E. Ernest Rutherford Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Section: 02.02 Subtopic: Structure of the Atom Topic: Components of Matter 5. Rutherford's experiment with alpha particle scattering by gold foil established that A. protons are not evenly distributed throughout an atom. B. electrons have a negative charge. C. electrons have a positive charge. D. atoms are made of protons, neutrons, and electrons. E. protons are 1840 times heavier than electrons. Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.02 Subtopic: Structure of the Atom Topic: Components of Matter 2-2 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 6. Atoms of the same element with different mass numbers are called A. ions. B. neutrons. C. allotropes. D. chemical families. E. isotopes. Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 02.03 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 7. An atom of the isotope 137Ba consists of how many protons (p), neutrons (n), and electrons (e)? A. 56 p, 137 n, 56 e B. 56 p, 81 n, 56 e C. 137 p, 81 n, 56 e D. 56 p, 56 n, 56 e E. 81 p, 56 n, 81 e Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.03 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 8. Give the number of protons (p), neutrons (n), and electrons E) in one atom of 238U. A. 146 p, 92 n, 92 e B. 92 p, 92 n, 92 e C. 92 p, 146 n, 92e D. 146 p, 28 n, 146 e E. 238 p, 146 n, 238 e Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.03 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 2-3 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 9. Which of the following are isotopes? A. 14C and 13C B. 14C and 14N C. 14N and 14N3- D. 12C and 12CO E. 14N and 14N2 Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 02.03 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 10. Complete the following chart, in order from left to right A. 14, 7, 7, 7 B. 14, 7, 14, 7 C. 7, 7, 7, 7 D. 7, 14, 7, 7 E. Some other answer Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.03 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 2-4 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 11. Complete the following chart, in order from left to right A. 40Zr, 21 B. 19K, 40 C. 21K, 19 D. 40K, 21 E. 38Sr, 19 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.03 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 12. Complete the following chart, in order from left to right A. 97Zr, 97 B. 40Zr, 57 C. 57La, 40 D. 97Bk, 80 E. 80Hg, 97 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.03 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 2-5 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 13. Complete the following chart, in order from left to right A. 40, 20, 20, 20 B. 40, 20, 20, 18 C. 20, 20, 40, 20 D. 40, 20, 20, 22 E. 20, 40, 20, 22 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.03 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 14. Complete the following chart, in order from left to right A. 4He, 2 B. 4Be, 4 C. 4Be, 2 D. 4He, 4 E. 2H, 2 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.03 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 2-6 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 15. The elements in a column of the periodic table are known as A. metalloids. B. a period. C. noble gases. D. a group. E. nonmetals. Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Section: 02.04 Subtopic: Elements and the Periodic Table Topic: Components of Matter 16. Which of the following elements is most likely to be a good conductor of electricity? A. N B. S C. He D. Cl E. Fe Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 02.04 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 17. Which of the following elements is chemically similar to magnesium? A. sulfur B. calcium C. iron D. nickel E. potassium Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 02.04 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 2-7 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 18. Which of the following elements is chemically similar to oxygen? A. sulfur B. calcium C. iron D. nickel E. sodium Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 02.04 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 19. Which of the following elements is chemically similar to potassium? A. calcium B. arsenic C. phosphorus D. cerium E. cesium Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Section: 02.04 Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes Topic: Components of Matter 20. An anion is defined as A. a charged atom or group of atoms with a net negative charge. B. a stable atom. C. a group of stable atoms. D. an atom or group of atoms with a net positive charge. Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Section: 02.05 Subtopic: Molecules and Ions Topic: Components of Matter 2-8 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 21. Which one of the following is an ion? A. B3+ B. NaCl C. He D. 14C E. none of the above Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 02.05 Subtopic: Molecules and Ions Topic: Components of Matter 22. Which one of the following elements is most likely to form a 2+ ion? A. calcium B. carbon C. fluorine D. oxygen E. sodium Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 02.05 Subtopic: Molecules and Ions Topic: Components of Matter 23. Which one of the following elements is most likely to form a 2– ion? A. scandium B. selenium C. silicon D. strontium E. iodine Bloom's Level: 4. Analyze Difficulty: Easy Gradable: automatic Section: 02.05 Subtopic: Molecules and Ions Topic: Components of Matter 2-9 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 24. A magnesium ion, Mg2+, has A. 12 protons and 13 electrons. B. 24 protons and 26 electrons. C. 12 protons and 10 electrons. D. 24 protons and 22 electrons. E. 12 protons and 14 electrons. Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.05 Subtopic: Molecules and Ions Topic: Components of Matter 25. An aluminum ion, Al3+, has: A. 13 protons and 13 electrons B. 27 protons and 24 electrons C. 16 protons and 13 electrons D. 13 protons and 10 electrons E. 10 protons and 13 electrons Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.05 Subtopic: Molecules and Ions Topic: Components of Matter 26. An oxide ion, O2–, has: A. 8 protons and 10 electrons B. 10 protons and 8 electrons C. 8 protons and 9 electrons D. 8 protons and 7 electrons E. 10 protons and 7 electrons Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.05 Subtopic: Molecules and Ions Topic: Components of Matter 2-10 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 27. A phosphide ion has: A. 10 protons and 13 electrons B. 12 protons and 15 electrons C. 15 protons and 15 electrons D. 15 protons and 18 electrons E. 18 protons and 21 electrons Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.05 Subtopic: Molecules and Ions Topic: Components of Matter 28. An iron(II) ion has: A. 24 electrons and a charge of 2+ B. 24 electrons and a charge of 2– C. 26 electrons and a charge of 2+ D. 28 electrons and a charge of 2+ E. 28 electrons and a charge of 2– Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.05 Subtopic: Molecules and Ions Topic: Components of Matter 29. How many protons and electrons are present in one Br– ion? A. 35 p, 35 e B. 80 p, 81 e C. 35 p, 34 e D. 35 p, 36 e E. 80 p, 34 e Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.05 Subtopic: Molecules and Ions Topic: Components of Matter 2-11 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 30. What are the two different ions present in the compound CaS? A. Ca+, S- B. Ca2-, S2+ C. Ca-, S+ D. Ca2+, S2- E. Ca, S Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.06 Subtopic: Molecules and Ions Topic: Components of Matter 31. What are the two different ions present in the compound Na2S? A. Na2+, S2- B. Na+, S2- C. Na2+, S2- D. Na+, S- E. Na2+, S- Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.06 Subtopic: Molecules and Ions Topic: Components of Matter 2-12 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 32. What are the two different ions present in the compound Li3N? A. Li+, N3- B. Li3+, N- C. Li33+, N3- D. Li+, N- E. Li3+, N3- Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.06 Subtopic: Molecules and Ions Topic: Components of Matter 33. What are the two different ions present in the compound FeCl3? A. Fe2+, Cl3- B. Fe3+, Cl3- C. Fe+, Cl- D. Fe3+, Cl- E. Fe+, Cl- Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.06 Subtopic: Molecules and Ions Topic: Components of Matter 34. What are the ions present in the compound CO2? A. C4+, 2 O2- B. C2+, 2 O- C. C2+, O2- D. C2+, O22- E. no ions present Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.06 Subtopic: Molecules and Ions Topic: Components of Matter 2-13 Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Chapter 02 - Atoms, Molecules, and Ions 35. What are the ions present in the compound CH4? A. C4+, H+ B. C4-, H+ C. C-, H+ D. C4- H4+ E. no ions present Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.06 Subtopic: Molecules and Ions Topic: Components of Matter 36. Which of the following is an example of an empirical formula? A. C9H12 B. C9H18Cl2 C. C6H6 D. N2O4 E. C2H2O2 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.06 Subtopic: Chemical Formulas Topic: Components of Matter 37. What is the empirical formula for C10H22O2? A. C10H22O2 B. C5H11O C. C20H44O4 D. C2H11O E. C5H11O2 Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Section: 02.06 Subtopic: Chemical Formulas Topic: Components of Matter 2-14 Cop
