Chemistry 10th Edition by Zumdahl, Susan A. Zumdahl , Donald J. DeCoste Solution Manual & TEST BANK.

Chemistry 10th Edition by Steven S. Zumdahl, Susan A. Zumdahl , Donald J. DeCoste Solution Manual & TEST BANK. The amount of uncertainty in a measured quantity is determined by: A) both the skill of the observer and the limitations 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. 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. 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. 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) B) 0. C) 0. 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: Moderate 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 24.83 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. Consider 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 chemistry | 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.? 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.? A) 7 B) 3 C) 8 D) 4 E) 0 ANS: D DIF: Easy REF: 1.5 KEY: Chemistry | general chemistry | general concepts | measurement | significant 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 figures 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 in 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)