Tutorial Ch 1.pdf

Tutorial Chapter 1 Multiple Choice and Bimodal Questions 1) __________ is the chemical symbol for elemental sodium. A) S B) W C) So D) Na E) Sn 2) The symbol for the element potassium is __________. A) Pt B) P C) K D) S E) Ca 3) A common English set of units for expressing velocity is miles/ho...

Tutorial Chapter 1 Multiple Choice and Bimodal Questions 1) __________ is the chemical symbol for elemental sodium. A) S B) W C) So D) Na E) Sn 2) The symbol for the element potassium is __________. A) Pt B) P C) K D) S E) Ca 3) A common English set of units for expressing velocity is miles/hour. The SI unit for velocity is __________. A) km/hr B) km/s C) m/hr D) m/s E) cm/s lbft 4) The unit of force in the English measurement system is 𝑠2. The SI unit of force is the Newton, which is __________ in base SI units. 𝑔cm A) 𝑠2 kg𝑚 B) hr 2 kg𝑚 C) ` 𝑠2 𝑔𝑚 D) 𝑠2 𝑔cm E) 𝑠 Tutorial Chapter 1 5) Momentum is defined as the product of mass and velocity. The SI unit for momentum is __________. kg𝑚 A) 𝑠 kg𝑚 B) hr 𝑔𝑚 C) 𝑠 𝑔km D) 𝑠 kgkm E) hr 6) The temperature of 25 °C is __________ in Kelvins. A) 103 B) 138 C) 166 D) 248 E) 298 7) A temperature of 400. K is the same as __________ °F. A) 260 B) 286 C) 88 D) 103 E) 127 8) 1 nanometer = __________ picometers A) 1000 B) 0.1 C) 0.01 D) 1 E) 10 Tutorial Chapter 1 9) 1 kilogram = __________ milligrams A)1 × 10−6 B) 1,000 C) 10,000 D) 1,000,000 E) none of the above 10) "Absolute zero" refers to __________. A) 0 Kelvin B) 0 ° Fahrenheit C) 0 ° Celsius D) °C + 9/5(°F - 32) E) 273.15 °C 11) An object will sink in a liquid if the density of the object is greater than that of the liquid. The mass of a sphere is 9.83 g. If the volume of this sphere is less than __________cm3 , then the sphere will sink in liquid mercury(density = 13.6 g/cm3 ). A) 0.723 B) 1.38 C) 134 D) 7.48 E) none of the above 12) The density of silver is10.5 g/cm3. A piece of silver that occupies a volume of 23.6 cm3 would have a mass of __________ g. A) 248 B) 0.445 C) 2.25 D) 112 E) 23.6 Tutorial Chapter 1 13) A certain liquid has a density of2.67 g/cm3. 30.5 mL of this liquid would have a mass of __________ Kg. A) 81.4 B) 11.4 C) 0.0875 D) 0.0814 E) 0.0114 14) Osmium has a density of22.6 g/cm3. The mass of a block of osmium that measures 1.01 cm × 0.233 cm × 0.648 cm is __________ g. A) 6.75 × 10−3 B) 3.45 C) 148 D) 6.75 × 103 E) 34.5 15) The number 0.00430 has __________ significant figures. A) 2 B) 3 C) 5 D) 6 E) 4 16) The number 1.00430 has __________ significant figures. A) 2 B) 3 C) 5 D) 6 E) 4 Tutorial Chapter 1 17) The correct answer (reported to the proper number of significant figures) to the following is __________. 6.3 × 3.25 = __________ A) 20. B) 20.475 C) 20.48 D) 20.5 E) 21 18) If an object, beginning at rest, is moving at a speed of 700 m/s after 2.75 min, its rate of acceleration (inm/s 2 ) is __________. (Assume that the rate of acceleration is constant.) A) 1.16 × 105 B) 255 C) 193 D) 4.24 E) 1.53 × 104 19) The correct result (indicating the proper number of significant figures) of the following addition is __________. 12 1.2 0.12 + 0.012 A) 13 B) 13.3 C) 13.33 D) 13.332 E) none of the above Tutorial Chapter 1 20) There are __________ significant figures in the answer to the following computation: (29.2 − 20.0)(1.79 × 105 ) 1.39 A) 1 B) 2 C) 3 D) 4 E) 5 21) The quantity 1.0 mg/cm2 is the same as 1.0 × __________kg/m2. A) 10−4 B) 102 C) 10−6 D) 10−2 E) 104 22) In the following list, only __________ is not an example of matter. A) planets B) light C) dust D) elemental phosphorus E) table salt 23) The symbol for the element lead is __________. A) Ld B) Pb C) Sn D) Hg Tutorial Chapter 1 24) What is the physical state in which matter has no specific shape but does have a specific volume? A) gas B) solid C) liquid D) salts E) ice 25) A small amount of salt dissolved in water is an example of a __________. A) homogeneous mixture B) heterogeneous mixture C) compound D) pure substance E) solid 26) Which one of the following has the element name and symbol correctly matched? A) S, sodium B) Tn, tin C) Fe, iron D) N, neon E) B, bromine 27) Which states of matter are significantly compressible? A) gases only B) liquids only C) solids only D) liquids and gases E) solids and liquids 28) Which one of the following is not an intensive property? A) density B) temperature C) melting point D) mass E) boiling point Tutorial Chapter 1 29) Which one of the following is an intensive property? A) mass B) temperature C) heat content D) volume E) amount 30) Of the following, only __________ is an extensive property. A) density B) mass C) boiling point D) freezing point E) temperature 31) Which one of the following is the highest temperature? A) 38 °C B) 96 °F C) 302 K D) none of the above E) the freezing point of water 32) Which calculation clearly shows a conversion between temperatures in degrees Celsius, t( °C), and temperature in Kelvins, T(K)? A) T(K) = t(°C) + 273.15 B) T(K) = 273.15 - t(°C) C) T(K) = [t(°C) - 32] / 1.8 D) T(K) = [t(°C) + 32] × 1.8 E) T(K) = t(°C) 33) Express the temperature, 422.35 K, in degrees Celsius. A) 792.23 °C B) 149.20 °C C) 695.50 °C D) 50.89 °C E) 22.78 °C Tutorial Chapter 1 34) Osmium has a density of22.6 g/cm3. What volume (incm3 ) would be occupied by a 21.8 g sample of osmium? A) 0.965 B) 1.04 C) 493 D) 2.03 × 10−3 E) 2.03 × 103 35) Iron has a density of7.9 g/cm3. What is the mass of a cube of iron with the length of one side equal to 55.0 mm? A) 2.1 × 104 g B) 4.3 × 102 g C) 1.3 × 103 g D) 1.4 g E) 2.3 × 10−2 g 36) Precision refers to __________. A) how close a measured number is to other measured numbers B) how close a measured number is to the true value C) how close a measured number is to the calculated value D) how close a measured number is to zero E) how close a measured number is to infinity 37) Accuracy refers to __________. A) how close a measured number is to zero B) how close a measured number is to the calculated value C) how close a measured number is to other measured numbers D) how close a measured number is to the true value E) how close a measured number is to infinity 38) Which of the following has the same number of significant figures as the number 1.00310? A) 1 × 106 B) 199.791 C) 8.66 D) 5.119 E) 100 Tutorial Chapter 1 39) Round the number 0.007222 to three significant figures. A) 0.007 B) 0.00722 C) 0.0072 D) 0.00723 E) 0.007225 40) Round the number 0.08535 to two significant figures. A) 0.09 B) 0.086 C) 0.0854 D) 0.085 E) 0.08535 3 41) One angstrom, symbolized Å, is10−10 m. 1 cm3 = __________Å. A) 1024 B) 10−24 C) 1030 D) 10−30 E) 10−9