Test Bank For General, Organic, And Biological Chemistry 3rd Edition By janice Smith

Chapter 01 - Matter and Measurement Multiple Choice Questions 1. Which is not an example of a pure substance? A. Sugar B. Air C. Aluminum foil D. Water E. A block of dry ice Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Classification and States of Matter Topic: Study of Chemistry 2. Which is an example of a physical change? A. The rusting of an iron nail B. The burning of propane in a gas grill C. Baking cookies D. Polishing tarnished silver E. Melting of an ice cube in a glass of soda Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Classification and States of Matter 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 Matter and Measurement Chapter 01 - Matter and Measurement 3. Which measurement has the fewest number of significant figures? A. 12.80 m B. 0.1280 m C. 0.001280 m D. 1280 m E. All of the measurements have the same number of significant figures. Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 4. Which quantity is an exact number? A. 3 cars B. 1,000 m C. 2 L D. 453.6 g Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 5. The number 0.0035880 expressed correctly using scientific notation is A. 0.0035889 B. 3.5880 ́ 103 C. 3.5880 ́ 10–3 D. 3.5880 ́ 10–4 E. 3.588 ́ 10–3 Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures 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 - Matter and Measurement 6. The measurement 78,005,760 expressed correctly using scientific notation is A. 7.8005760 ́ 107 B. 7.8005760 ́ 10–7 C. 7.8 ́ 107 D. 7.800576 ́ 10–7 E. 7.800576 ́ 107 Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 7. When 4.870 ́ 10–3 is correctly converted to its standard form the number becomes A. 4870 B. 4870. C. 0.00487 D. 0.004870 E. 0.0004870 Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures 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 - Matter and Measurement 8. Which number is the largest? A. 4.38 ́ 103 B. 4.38 ́ 102 C. 4.38 ́ 10–3 D. 4.38 ́ 10–2 E. 438 Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 9. Which number is the smallest? A. 4.38 ́ 103 B. 4.38 ́ 102 C. 4.38 ́ 10–3 D. 4.38 ́ 10–2 E. 438 Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 10. When 0.022189 is correctly rounded to two significant figures the number becomes A. 0.02 B. 0.022 C. 22 D. 0.023 Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures 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 - Matter and Measurement 11. When 5.5490 ́ 108 is correctly rounded to three significant figures the number becomes A. 5.55 B. 5.55 ́ 108 C. 555 D. 554 E. 5.54 ́ 108 Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 12. Which number contains four significant figures? A. 3.978 B. 0.780 C. 0.0085 D. 1700 E. Two or more of the numbers contain four significant figures. Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures 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 - Matter and Measurement 13. Carry out the following calculation and report the answer using the proper number of significant figures: 38.251 + 73.1 A. 111 B. 111.3 C. 111.4 D. 111.35 E. 111.351 Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Classification and States of Matter Topic: Study of Chemistry 14. Carry out the following calculation and report the answer using the proper number of significant figures: 549.101 + 8.12 + 95.0076 – 651.9 A. 3.286 B. 0.3286 C. 0.33 D. 0.3 E. 1268.1 Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Scientific Notation and Significant Figures 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 - Matter and Measurement 15. Carry out the following calculation and report the answer using the proper number of significant figures: 38.251 ́ 73.1 A. 2796.1481 B. 2796.15 C. 2796.1 D. 2796 E. 2.80 ́ 103 Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 16. Carry out the following calculation and report the answer using the proper number of significant figures: A. 31.0185 ft/s B. 31.01 ft/s C. 31.02 ft/s D. 31.0 ft/s E. 31 ft/s Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Scientific Notation and Significant Figures 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 - Matter and Measurement 17. What is the correct metric relationship between milliliters and microliters? A. 1 milliliter = 1 microliter B. 1,000 milliliters = 1 microliter C. 1 milliliter = 1,000 microliters D. 1,000,000 milliliters = 1 microliter E. 1 milliliter = 1,000,000 microliters Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Subtopic: Measurements (Metric and SI Units) Topic: Study of Chemistry 18. Which metric relationship is incorrect? A. 1 milligram = 1,000 grams B. 1 dL = 100 mL C. 1 km = 1,000 m D. 100 cg = 1 g E. 1 liter = 1,000,000 microliters Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Subtopic: Measurements (Metric and 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 - Matter and Measurement 19. Which is the proper conversion factor for converting a mass expressed in pounds (lb) to the same mass expressed in grams (g)? A. B. C. D. Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and 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 - Matter and Measurement 20. Which length is the longest? A. 12 m B. 12,000 mm C. 12,000 mm D. 12,000 cm E. 0.0012 km Bloom's Level: 4. Analyze Difficulty: Hard Gradable: automatic Subtopic: Measurements (Metric and 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 - Matter and Measurement 21. What is the mass in kilograms of an individual who weighs 197 lb? A. 197 kg B. 8.95 kg C. 89.5 kg D. 90 kg E. 433 kg Bloom's Level: 5. Evaluate Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and SI Units) Topic: Study of Chemistry 22. If a balloon has a volume of 21.6 cups, what is the volume of this balloon expressed in L? A. 86.4 L B. 81.51 L C. 5.72 L D. 5.094 L E. 5.09 L Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and 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 - Matter and Measurement 23. Which volume is equivalent to 225 mL? A. 2.25 ́ 105 mL B. 2.25 ́ 102 mL C. 2.25 L D. 2.25 ́ 10–5 mL E. 0.225 mL Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and SI Units) Topic: Study of Chemistry 24. If a package of nuts weighs 41.3 oz, what is the mass of the package expressed in milligrams? A. 1.17 mg B.1.17 ́103 mg C.1.17 ́106 mg D. 117 mg E.3.00 ́105 mg Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and 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 - Matter and Measurement 25. If a tree is 89.5 cm tall, what is the tree's height expressed in yards? A. 0.979 yd B. 6.31 yd C. 18.9 yd D. 35.2 yd E. 227 yd Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and SI Units) Topic: Study of Chemistry 26. If honey has a density of 1.36 g/mL, what is the mass of 1.25 qt, reported in kilograms? A. 1.60 kg B.1.6 ́103 kg C. 0.974 kg D. 974 kg E. 1.80 kg Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Density and Specific Gravity Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and 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 - Matter and Measurement 27. If a piece of rock has a volume of 0.73 L and a mass of 1524 g, what is the density of the rock in g/mL? A.2.1 ́103 g/mL B. 0.48 g/mL C. 4.8 ́ 10–4 g/mL D. 2.1 g/mL E. 2.088 g/mL Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Density and Specific Gravity Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and SI Units) Topic: Study of Chemistry 28. A hiker with hypothermia has a body temperature of 82 °F. What is his body temperature in °C? A. 14 °C B. 28 °C C. 31 °C D. 50 °C Bloom's Level: 5. Evaluate Difficulty: Medium Gradable: automatic Subtopic: Temperature Topic: Study of Chemistry 29. On an autumn day in Washington, DC the outdoor temperature was 21 °C. What was this outdoor temperature in °F? A. 44 °F B. 57 °F C. 69 °F D. 70 °F Bloom's Level: 5. Evaluate Difficulty: Medium Gradable: automatic Subtopic: Temperature 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 - Matter and Measurement 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 - Matter and Measurement 30. An oven is set for a temperature of 298 °F. What is the oven temperature in K? A. 166 K B. 421 K C. 148 K D. 571 K E. 439 K Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Temperature Topic: Study of Chemistry 31. Which of the following temperatures is the hottest? A. 100 °C B. 100 °F C. 100 K D. All would feel equally warm. Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Subtopic: Temperature Topic: Study of Chemistry 32. The recommended dietary allowance for calcium for teenage children is 1,300 mg per day. If a typical 8.0-fl oz glass of reduced-fat milk contains 298 mg of calcium, how many fluid ounces of milk does a teenager need to drink to get the entire recommended amount of calcium from this milk? A. 4.4 fl oz B. 1.8 fl oz C. 3.5 fl oz D. 35 fl oz E. 32 fl oz Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and 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 - Matter and Measurement 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 - Matter and Measurement 33. What is the density of a sample of rubbing alcohol if it has a specific gravity of 0.789? A. 1.27 g/mL B. 0.789 g/mL C. 1.00 g/mL D. 0.895 g/mL Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Density and Specific Gravity Topic: Study of Chemistry 34. Which of the following conversions is correct and expresses the answer using the proper number of significant figures? A. B. C. D. Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and SI Units) 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 - Matter and Measurement 35. What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL? A. 85.32 g B. 82.83 g C. 82.8 g D. 87.88 g E. 87.9 g Bloom's Level: 5. Evaluate Difficulty: Medium Gradable: automatic Subtopic: Density and Specific Gravity Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and SI Units) Topic: Study of Chemistry 36. If a 185-lb patient is prescribed 145 mg of the cholesterol lowering drug Tricor daily, what dosage is the patient receiving in mg/kg of his body weight? A. 0.784 mg/kg B. 1.28 mg/kg C. 0.356 mg/kg D. 1.72 mg/kg E. 0.580 mg/kg Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and SI Units) 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 - Matter and Measurement 37. The estimated average daily requirement of folic acid for pregnant females is 520 micrograms. Which accurately expresses this value? A. 520 mg B. 520 Mg C. 520 mG D. 520 mg Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Measurements (Metric and SI Units) Topic: Study of Chemistry 38. For a person between the ages of 10 and 29, the normal range of blood triglycerides is 53 ́ 104 mg/dL. What is the correct interpretation of the units in this measurement? A. milligrams times deciliter B. micrograms per deciliter C. megagrams per deciliter D. milligrams per deciliter Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and SI Units) 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 - Matter and Measurement 39. A patient's urine sample has a density of 1.02 g/mL. If 1250 mL of urine was excreted by the patient in one day, what mass of urine was eliminated? A. 1.28 kg B. 1225 g C. 1275 g D. 128 g Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Density and Specific Gravity Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and SI Units) Topic: Study of Chemistry 40. The density of human urine is normally between 1.003 and 1.030 g/mL, and is often used as a diagnostic tool. If a 25.00 mL sample of urine from a patient has a mass of 26.875 g, how does the density of the urine sample compare to the normal range? A. the density of the sample is lower than the normal range B. the density of the sample is greater than the normal range C. the density of the sample is within the normal range D. there is insufficient information to make a comparison Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Density and Specific Gravity Subtopic: Dimensional Analysis 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 - Matter and Measurement 41. Which volume has the most uncertainty associated with the measurement? A. 10 mL B. 10.0 mL C. 10.00 mL D. all have the same degree of uncertainty Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Measurements (Metric and SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 42. Air has a density of 0.001226 g/mL. What volume of air would have a mass of 1.0 lb? A. 2.7 mL B. 815.6 mL C. 37 mL D. 3.7 ́102 L Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Density and Specific Gravity Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 43. A beaker contains 145.675 mL of a saline solution. If 24.2 mL of the saline solution are removed from the beaker, what volume of solution remains? A. 121.475 mL B. 121.4 mL C. 121.5 mL D. 121 mL Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Subtopic: Measurements (Metric and SI Units) 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 - Matter and Measurement 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 - Matter and Measurement True / False Questions 44. PVC plastic, which is used in pipes, is an example of a synthetic material. TRUE Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Properties of Matter Topic: Study of Chemistry 45. Nitrogen gas (N2) would properly be classified as a compound. FALSE Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Classification and States of Matter Topic: Study of Chemistry 46. Changes in state such as melting and boiling are physical changes. TRUE Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Classification and States of Matter 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 - Matter and Measurement 47. A compound cannot be broken down into simpler substances. FALSE Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Classification and States of Matter Topic: Study of Chemistry 48. The water molecules in this image are best described as being in the liquid state. FALSE Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Classification and States of Matter Topic: Study of Chemistry 49. The base unit for mass in the metric system is kilograms (kg). FALSE Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Measurements (Metric and 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 - Matter and Measurement 50. The base unit for volume in the metric system is liter (L). TRUE Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Measurements (Metric and SI Units) Topic: Study of Chemistry 51. An inexact number results from a measurement or observation and contains some uncertainty. TRUE Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 52. A zero counts as a significant figure when it occurs at the end of a number that contains a decimal point. TRUE Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 53. 8 mL is larger than 8 dL. FALSE Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Measurements (Metric and 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 - Matter and Measurement 54. Specific gravity is a quantity that compares the density of a substance with the density of water. TRUE Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Density and Specific Gravity Topic: Study of Chemistry 55. The specific gravity of a substance has units of g/mL. FALSE Bloom's Level: 1. Remember Difficulty: Medium Gradable: automatic Subtopic: Density and Specific Gravity Topic: Study of Chemistry 56. When the liquid carbon tetrachloride (density = 1.59 g/mL) is added to water, the top layer will be the water layer. TRUE Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Density and Specific Gravity Topic: Study of Chemistry 57. When a piece of magnesium (density = 1.738 g/mL) is placed in a container of liquid carbon tetrachloride (density = 1.59 g/mL), the piece of magnesium will float on top of the carbon tetrachloride. FALSE Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Density and Specific Gravity 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 - Matter and Measurement 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 - Matter and Measurement 58. In reading a number with a decimal point from left to right, all digits starting with the first nonzero number are significant figures. TRUE Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 59. The number 900,027,300 has four significant figures. FALSE Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 60. The number 900,027,300 has nine significant figures. FALSE Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures 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 - Matter and Measurement 61. The two conversion factors for the equality 1 in = 2.54 cm are properly shown below. FALSE Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Dimensional Analysis 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 - Matter and Measurement 62. Dissolving sugar in water involves a chemical change. FALSE Bloom's Level: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Classification and States of Matter Topic: Study of Chemistry 63. One-thousand (1,000) ms is the same length of time as one (1) ms. FALSE Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Subtopic: Measurements (Metric and SI Units) Topic: Study of Chemistry 64. Assuming the numbers are measured values, when multiplying 762.85 by 15 the answer should be reported with two significant figures. TRUE Bloom's Level: 1. Remember Difficulty: Medium Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 65. When subtracting 15 from 762.85 the answer should be reported with two significant figures. FALSE Bloom's Level: 1. Remember Difficulty: Medium Gradable: automatic Subtopic: Scientific Notation and Significant Figures 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 - Matter and Measurement 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 - Matter and Measurement x 66. In scientific notation, a number is written as y ́ 10 , where x can be any positive or negative number or fraction. FALSE Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 67. If the density of a substance is greater than 1 g/mL, the mass of a sample of this substance will be greater than the volume of the sample. TRUE Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Subtopic: Density and Specific Gravity Topic: Study of Chemistry 5 –5 68. Dividing a number by 10 is the same as multiplying a number by 10 . TRUE Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 69. The measurement 10.3 cm has more significant figures than the measurement 10.3 m. FALSE Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Scientific Notation and Significant Figures 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 - Matter and Measurement 70. The density of olive oil is greater at 200 °C than at 25 °C. FALSE Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Density and Specific Gravity Topic: Study of Chemistry 71. One Kelvin is the same size as one degree Celsius. TRUE Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Temperature Topic: Study of Chemistry 72. The temperature 60 °C is higher than 60 °F. TRUE Bloom's Level: 5. Evaluate Difficulty: Medium Gradable: automatic Subtopic: Temperature Topic: Study of Chemistry 73. The temperature –60 °C is higher than –60 °F. FALSE Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Temperature 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 - Matter and Measurement 74. The temperature 60 °C is higher than 60 K. TRUE Bloom's Level: 5. Evaluate Difficulty: Medium Gradable: automatic Subtopic: Temperature Topic: Study of Chemistry 75. Elements and compounds are both classified as pure substances. TRUE Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Classification and States of Matter Topic: Study of Chemistry 76. The terms used in conversion factors must always be exact numbers. FALSE Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 6 77. The number 87,927,000 is larger than the number 9.7 ́ 10 . TRUE Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Subtopic: Scientific Notation and Significant Figures 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 - Matter and Measurement –3 78. The number 0.0007270 is larger than the number 5.7 ́ 10 . FALSE Bloom's Level: 4. Analyze Difficulty: Medium Gradable: automatic Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 79. A mixture can be separated into its components by physical changes. TRUE Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Classification and States of Matter Topic: Study of Chemistry 80. For a number written in scientific notation, a negative exponent indicates the value of the number is less than 1. TRUE Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Measurements (Metric and SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 81. The meaning of the metric prefix milli- is 1000. FALSE Bloom's Level: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Measurements (Metric and 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 - Matter and Measurement Fill in the Blank Questions 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 - Matter and Measurement 82. A _____ change converts one material to another. chemical Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Classification and States of Matter Topic: Study of Chemistry 83. The measurement 0.030500 m has _____ significant figures. five or 5 Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Measurements (Metric and SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 84. When the measurement 340,942 s is rounded to two significant figures, the value is properly reported as _____. 340,000 s or 3.4 ́ 105 s Bloom's Level: 3. Apply Difficulty: Easy Gradable: automatic Subtopic: Measurements (Metric and SI Units) Subtopic: Scientific Notation 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 - Matter and Measurement 85. To use conversion factors to solve a problem, set up the problem with any unwanted unit in the numerator of one term and the _____ of another term, so that unwanted units cancel. denominator Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Dimensional Analysis 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 - Matter and Measurement 86. If you have equal masses of two different substances (A and B), and the density of A is twice the density of B, then the volume of A is _____ the volume of B. one-half or 1⁄2 Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Density and Specific Gravity Subtopic: Dimensional Analysis Topic: Study of Chemistry 87. Every measurement is composed of a number and a _____. unit Bloom's Level: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Measurements (Metric and SI Units) Topic: Study of Chemistry 88. A small banana contains 323 mg of the nutrient potassium. You would need to eat approximately _____ small bananas in one day to obtain the recommended daily intake of 3.5 g of potassium. 11 Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis 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 - Matter and Measurement 89. The measurement 5342 nm is the same length as _____ cm, written in scientific notation. 5.342 ́ 10–4 Bloom's Level: 5. Evaluate Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurements (Metric and SI Units) Subtopic: Scientific Notation 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 - Matter and Measurement 90. When crude oil leaks into the ocean from an oil tanker, the crude oil floats because it is _____ dense than water. less