Review for Matter, Measurement, and Problem Solving PDF

Review For Matter, Measurement, and Problem Solving MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is not an example of matter? 1) A) air...

Review For Matter, Measurement, and Problem Solving MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is not an example of matter? 1) A) air B) light C) atoms D) wood E) water 2) Which of the following is a compound? 2) A) water B) milk C) sodium metal D) iron E) air 3) What is the number of significant figures in the answer to 242.0 g - 42.00 g? 3) A) 1 B) 2 C) 3 D) 4 E) 5 4) Which of the following processes does not represent a chemical change? 4) A) dissolving sugar in water B) reaction of sodium metal with water C) souring of milk D) iron rusting E) leaves changing color 5) Which of the following measurements would not be considered exact? 5) A) 15 hours B) 1 cm = 10 mm C) 6 apples D) 8 students E) 9 chairs 6) In the metric system the prefix micro represents the multiple 6) A) 10-9. B) 10-2. C) 10-6. D) 10-3. E) 10-1. 7) Which of the following processes does not represent a physical change? 7) A) squeezing the juice from grapes B) fermenting grape juice C) melting ice D) evaporating water E) distillation of a ethanol 8) The mass of 236 mL of ethanol is found to be 186 g. What is the density of ethanol in g/mL? 8) A) 0.788 B) 1.27 C) 1.00 D) 0.00127 E) 788 9) How many millimeters are there in 0.010 km? 9) A) 1.0 × 104 B) 1.0 × 10-8 C) 1.0 × 10-5 D) 0.010 E) 10. 10) A chemistry book has a mass of 3.95 kg. What is this mass in pounds? (1 lb = 454 g) 10) A) 8.70 B) 115 C) 0.115 D) 1.79 x 103 E) 1.79 1  11) Express the following result to the proper number of significant figures. 11) 45.36 M = ? 3.2 S A) 14.18 B) 14.175 C) 14 D) 14.2 12) For the following measured numbers, the number of significant figures is indicated in parenthesis. 12) Which is incorrect? A) 2038 (four) B) 0.00142 (three) C) 4 × 102 (one) D) 40.04 (two) E) 0.0130 (three) 13) An experiment calls for 22.6 g of bromine (d = 3.12 g/mL). What volume, in mL, should be used? 13) A) 70.5 B) 0.138 C) 7.24 D) 22.6 E) none of these 14) How many µg are in 0.0158 g? 14) A) 1.58 B) 1.58 × 10-4 C) 1.58 × 104 D) 1.58 × 106 E) 1.58 × 10-6 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 15) A 600. mL container has what volume in fluid ounces? (1 L = 1.06 qt) (1 qt = 32 fl. oz.) 15) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 16) Of the following, ________ is the largest mass. 16) A) 2.5 × 10-2 mg B) 2.5 × 109 fg C) 25 kg D) 2.5 × 1015 pg E) 2.5 × 1010 ng 17) Which one of the following is the highest temperature? 17) A) 38 °C B) 302 K C) 96 °F D) none of the above E) the freezing point of water 2 18) Osmium has a density of 22.6 g/cm3. What volume (in cm3 ) would be occupied by a 21.8 g sample 18) of osmium? A) 2.03 × 10-3 B) 2.03 × 103 C) 1.04 D) 0.965 E) 493 19) How many significant figures should be retained in the result of the following calculation? 19) 12.00000 × 0.9893 + 13.00335 × 0.0107 A) 2 B) 3 C) 4 D) 5 E) 6 20) 45 m/s = ________ km/hr 20) A) 0.045 B) 2.7 C) 1.6 × 105 D) 2.7 × 103 E) 1.6 × 102 3 Answer Key Testname: REVIEW FOR MATTER,MEASUREMENT, AND PROBLEM SOLVING 1) B 2) A 3) D 4) A 5) A 6) C 7) B 8) A 9) A 10) A 11) C 12) D 13) C 14) C 15) 20.4 16) C 17) A 18) D 19) B 20) E 4