(Test Bank) Chemistry

Zumdahl,Zumdahl, 9

Chemistry

Test Bank

9th Edition

• $15.00 $50.00

---

Description

Test Bank for Chemistry, The downloadable file consists of 796 pages, and the total size of the file is 6.05 MB. Purchase now only for highly discounted price.

Author(s): Zumdahl, Zumdahl

---

---

Study Note Preview

Test bank This book is a gift that we hope would be of help to our family at STEM . Sincerely, STEM Freelancer’s association Chapter 1: Chemical Foundations 1. Which of the following is an example of a quantitative observation? A) The piece of metal is longe r than the piece of wood. B) Solution 1 is much darker than solution 2. C) The liquid in beaker A is blue. D) The temperature of the liquid is 60°C. E) At least two of the above (A -D) are quantitative observations. ANS: D DIF: Easy REF: 1.2 KEY: Chemistry | general chemistry | general concepts | scientific method MSC: Conceptual 2. A quantitative observation A) contains a number and a unit B) does not contain a number C) always makes a comparison D) must be obtained through experimentation E) is none of these ANS: A DIF: Easy REF: 1.2 KEY: Chemistry | general chemistry | general concepts | scientific method MSC: Conceptual 3. Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is called a(n) A) observation B) measurement C) theory D) natural law E) experiment ANS: D DIF: Easy REF: 1.2 KEY: Chemistry | general chemistry | general concepts | scientific method MSC: Conceptual 4. The statement “The total mass of materials is not aff ected by a chemical change in those materials” is called a(n) A) observation B) measurement C) theory D) natural law E) experiment ANS: D DIF: Easy REF: 1.2 KEY: Chemistry | general chemistry | general concepts | scientific method MSC: Conceptual 5. A chemical theory that has been known for a long time becomes a law. ANS: F DIF: Easy REF: 1.2 KEY: Chemistry | general chemistry | general concepts | scientific method MSC: Conceptual 6. Which of the following metric relationships is incorrect? A) 1 microliter = 10–6 liters B) 1 gram = 103 kilograms C) 103 milliliters = 1 liter D) 1 gram = 102 centigrams E) 10 decimeters = 1 meter ANS: B DIF: Easy REF: 1.3 KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefi xes MSC: Quantitative 7. For which pair is the SI prefix not matched correctly with its meaning? A) B) C) D) E) ANS: C DIF: Easy REF: 1.3 KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes MSC: Conc eptual 8. A metric unit for length is A) gram B) milliliter C) yard D) kilometer E) pound ANS: D DIF: Easy REF: 1.3 KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | base unit MSC: Conceptual 9. Which of the follow ing is not a unit in the SI system? A) ampere B) candela C) Kelvin D) meter E) calorie ANS: E DIF: Easy REF: 1.3 KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | base unit MSC: Conceptual 10. Order the four metric p refixes from smallest to largest. A) nano - < milli - < centi - < kilo - B) milli - < nano - < centi - < kilo - C) kilo- < centi - < nano - < milli - D) kilo- < centi - < milli - < nano - E) centi - < nano - < kilo - < milli - ANS: A DIF: Easy REF: 1.3 KEY: Chemistr y | general chemistry | general concepts | measurement | SI unit | prefixes MSC: Conceptual 11. 8.1 kilogram(s) contains this many grams. A) 8.1102 B) 8.1103 C) 81 D) 0.81 E) 8.1103 ANS: B DIF: Easy REF: 1.3 KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | mass MSC: Conceptual 12. Convert 0.3980 m to mm. A) B) C) D) E) ANS: A DIF: Easy REF: 1.3 KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes MSC: Conceptual 13. 6.1 seco nds contain this many picoseconds. A) 6.11012 B) 6.11012 C) 6.1109 D) 6.1109 E) 6.11015 ANS: A DIF: Easy REF: 1.3 KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes MSC: Conceptual 14. 9.49 seconds contain this many nanoseconds. A) 9.49107 B) 9.49109 C) 9.491012 D) 9.491010 E) 9.49108 ANS: B DIF: Easy REF: 1.3 KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes MSC: Conceptual 15. The distance of 21 km equals A) m B) m C) m D) m E) m ANS: E DIF: Easy REF: 1.3 KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes MSC: Conceptual 16. What is the measure of resistance an object has to a change in its state of motion? A) mass B) weight C) volume D) length E) none of the se ANS: A DIF: Easy REF: 1.3 KEY: Chemistry | general chemistry | general concepts | measurement MSC: Conceptual 17. The degree of agreement among several measurements of the same quantity is called __________. It reflects the reproducibility of a g iven type of measurement. A) accuracy B) error C) precision D) significance E) certainty ANS: C DIF: Easy REF: 1.4 KEY: Chemistry | general chemistry | general concepts | measurement MSC: Conceptual 18. As part of the calibration of a new labora tory balance, a 1.000 -g mass is weighed with the following results: Trial Mass 1 1.201  0.001 2 1.202  0.001 3 1.200  0.001 The balance is: A) Both accurate and precise. B) Accurate but imprecise. C) Precise but inaccurate. D) Both inaccurate and imprecise. E) Accuracy and precision are impossible to determine with the available information. ANS: C DIF: Easy REF: 1.4 KEY: Chemistry | general chemistry | general concepts | measurement MSC: Conceptual Consider the following three archery targets: I. II. III. 19. Which of the following figure(s) represent a result ha ving high precision? A) Figure I only B) Figure II only C) Figure III only D) Figure I and Figure II E) Figure II and Figure III ANS: E DIF: Easy REF: 1.4 KEY: Chemistry | general chemistry | general concepts | measurement MSC: Conceptual 20. Which of the following statements concerning these figures is correct? A) Figure I represents systematic error and Figure II represents random error. B) Figure I represents random error and Figure II represents systematic error. C) Figure I and Figure II r epresent random error. D) Figure I and Figure II represent systematic error. E) Figure III represents no errors. ANS: B DIF: Easy REF: 1.4 KEY: Chemistry | general chemistry | general concepts | measurement MSC: Conceptual 21. Which of the followi ng is the least probable concerning five measurements taken in the lab? A) The measurements are accurate and precise. B) The measurements are accurate but not precise. C) The measurements are precise but not accurate. D) The measurements are neither acc urate nor precise. E) All of these are equally probable. ANS: B DIF: Easy REF: 1.4 KEY: Chemistry | general chemistry | general concepts | measurement MSC: Conceptual 22. You measure water in two containers: a 10 -mL graduated cylinder with marks at every mL, and a 1 -mL pipet marked at every 0.1 mL. If you have some water in each of the containers and add them together, to what decimal place could you report the total volume of water? A) 0.01 mL B) 0.1 mL C) 1 mL D) 10 mL E) none of these ANS: B DIF: Moderate REF: 1.4 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures MSC: Conceptual 23. The agreement of a particular value with the true value is called A) accuracy B) error C) precision D) significanc e E) certainty ANS: A DIF: Easy REF: 1.4 KEY: Chemistry | general chemistry | general concepts | measurement MSC: Conceptual 24. The amount of uncertainty in a measured quantity is determined by: A) both the skill of the observer and the limitation s of the measuring instrument B) neither the skill of the observer nor the limitations of the measuring instrument C) the limitations of the measuring instrument only D) the skill of the observer only E) none of these ANS: A DIF: Easy REF: 1.4 KEY: Chemistry | general chemistry | general concepts | measurement MSC: Conceptual 25. A scientist obtains the number 0.045006700 on a calculator. If this number actually has four (4) significant figures, how should it be written? A) 0.4567 B) 0.4501 C) 0.0450 D) 0.04500 E) 0.04501 ANS: E DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures | rounding MSC: Conceptual 26. Express the number 0.000333 in scientific notation. A) B) C) D) E) ANS: D DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures | scientific notation MSC: Conceptual 27. Express 165,000 in exponential notation. A) B) C) D) E) ANS: B DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures | scientific notation MSC: Conceptual 28. Express the number 0.0810 in scientific notation. A) B) C) D) E) ANS: D DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures | scientific notation MSC: Conceptual 29. Express the number in common decimal form. A) 0.00649 B) 6.49 C) 6490 D) 0.0649 E) 0.000649 ANS: A DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures | scientific notation MSC: Conceptual 30. Express the number in common decimal form. A) 237000 B) 0.0000237 C) 0.000237 D) 23700 E) 2370 ANS: D DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures | scientific notation MSC: Conceptual 31. We generally report a measurement by recording all of the certain digits plus ____ uncertain digit(s). A) no B) one C) two D) three E) four ANS: B DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures MSC: Conceptual 32. The beakers shown below have different precisions as shown. Suppose you pour the water from these three beakers into one container. What would be the volume in the container reported to the correct number of significant figures? A) 78.817 mL B) 78.82 mL C) 78.8 mL D) 80 mL E) 79 mL ANS: E DIF: Mod erate REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures MSC: Conceptual 33. You are asked to determine the perimeter of the cover of your textbook. You measure the length as 39.36 cm and the width as 24.8 3 cm. How many significant figures should you report for the perimeter? A) 1 B) 2 C) 3 D) 4 E) 5 ANS: E DIF: Moderate REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures MSC: Quantitative 34. Conside r the numbers 23.68 and 4.12. The sum of these numbers has ____ significant figures, and the product of these numbers has ____ significant figures. A) 3, 3 B) 4, 4 C) 3, 4 D) 4, 3 E) none of these ANS: D DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures MSC: Conceptual 35. Using the rules of significant figures, calculate the following: A) 14.5 B) 16 C) 15 D) 82 E) 14.54 ANS: C DIF: Easy REF: 1.5 KEY: Chemistry | general chemistr y | general concepts | measurement | significant figures MSC: Quantitative 36. Using the rules of significant figures, calculate the following: A) 3.823 B) 4 C) 3.8231 D) 3.82 E) 3.8 ANS: A DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures MSC: Quantitative 37. How many significant figures are there in the number 0.04560700? A) 4 B) 5 C) 7 D) 8 E) 9 ANS: C DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures MSC: Conceptual 38. How many significant figures are there in the number 0.0006428? A) 7 B) 3 C) 8 D) 4 E) 0 ANS: D DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | sign ificant figures MSC: Conceptual 39. How many significant figures are there in the number 3.1400? A) 1 B) 2 C) 3 D) 4 E) 5 ANS: E DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures MSC: Conceptual 40. How many significant figures should be reported for the difference between 18.6172 mL and 18.57 mL? A) 1 B) 2 C) 3 D) 4 E) 6 ANS: B DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant f igures MSC: Conceptual 41. What is the best answer to report for g/mL? A) B) C) D) E) ANS: C DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures MSC: Quantitative 42. What is the best answer to report for ? A) 27.351 B) 27.35 C) 27.3507 D) 27 E) 27.4 ANS: E DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant figures MSC: Quantitative 43. Convert 2751.4 g to mg. A) 2.7514 mg B) 27.514 mg C) 275.14 mg D) 2.7514103 mg E) 2.7514106 mg ANS: E DIF: Easy REF: 1.7 KEY: Chemistry | general chemistry | general concepts | measurement | dimensional analysis MSC: Quantitative 44. Express the volume in liters. A) 781.2 L B) 78.12 L C) 7.812 L D) 0.7812 L E) 0.07812 L ANS: D DIF: Easy REF: 1.7 KEY: Chemistry | general chemistry | general concepts | measurement | dimensional analysis MSC: Quantitative 45. Convert 44.7 to . A) 4.47107 B) 4.471010 C) 4.47104 D) 4.47105 E) 4.47108 ANS: B DIF: Moderate REF: 1.7 KEY: Chemistry | general chemistry | general concepts | measurement | dimensional analysis MSC: Quantitative 46. The pressure of the earth's atmosphere at sea level is . What is the pressure when expressed in ? (2.54 cm = 1 in., 2.205 lb = 1 kg) A) 2.62105 B) 1.03107 C) 5.02104 D) 4.30100 E) 2.09105 ANS: B DIF: Difficult REF: 1.7 KEY: Chemistry | general chemistry | general concepts | measurement | dimensional analysis MSC: Quantitative 47. Convert 4338 mL to qt. (1 L = 1.06 qt) A) 4598 qt B) 4.092 qt C) 4.092103 qt D) 4092 qt E) 4.598 qt ANS: E DIF: Easy REF: 1.7 KEY: Chemistry | general chemistry | general concepts | measurement | dimensional analysis MSC: Quantitative 48. Convert 34.4 lb to g. (1 lb = 453.6 g) A) 7.58102 g B) 1.56103 g C) 7.58104 g D) 1.56102 g E) 1.56104 g ANS: E DIF: Easy REF: 1.7 KEY: Chemistry | general chemistry | general concepts | measurement | dimensional analysis MSC: Quantitative 49. Convert 59.4 mi to km. (1 m = 1.094 yd, 1 mi = 1760 yd) A) 6.50101 km B) 3.69101 km C) 9.56107 km D) 5.43101 km E) 9.56101 km ANS: E DIF: Easy REF: 1.7 KEY: Chemistry | general chemistry | general concepts | measurement | dimensional analysis MSC: Quantitative 50. The density of liquid mercury is 13.6 g/mL. What is its density in units of ? (2.54 cm = 1 in., 2.205 lb = 1 kg) A) 1.57102 B) 4.91101 C) 1.01101 D) 7.62102 E) 1.83 ANS: B DIF: Easy REF: 1.7 KEY: Chemistry | general chemistry | general concepts | measurement | dimensional analysis MSC: Quantitative 51. Convert 0.0494 to L. (2.54 cm = 1 in., 1 L = 1 ) A) 1.40101 L B) 1.40 L C) 1.51103 L D) 1.74103 L E) 1.62 L ANS: B DIF: Moderate REF: 1.7 KEY: Chemistry | general chemistry | general concepts | measurement | dimensional analysis MSC: Quantitative 52. In March 2008, gold reached a milestone value of $1000 per troy ounce. At that price, what was the cost of a gram of gold? (1 troy ounce = 31.10 g) A) less than $1 B) between $1 and $10 C) between $10 and $50 D) between $50 and $100 E) over $100 ANS: C DIF: Easy REF: 1.7 KEY: Chemistry | general chemistry | general concepts | measurement | dimensional analysis MSC: Quantitative 53. It is estimated that uranium is relatively common in the earth's crust, occurring in amounts of 4 g / metric ton. A metric ton is 1000 kg. At this concentration, what mass of uranium is present i n 1.5 mg of the earth's crust? A) B) C) D) E) ANS: A DIF: Moderate REF: 1.7 KEY: Chemistry | general chemistry | general concepts | measurement | dimensional analysis MSC: Quantitative 54. A 20.0 mL sample of glycerol has a mass of 25.2 grams. What is the density of glycerol in ounces/quart? (1.00 ounce = 28.4 grams, and 1.00 liter = 1.06 quarts) A) 41.9 oz/qt B) 4.19 oz/qt C) 837 oz/qt D) 47.0 oz/qt E) 26.4 oz/qt ANS: A DIF: Difficult REF: 1.7