Test Bank for Introductory Chemistry 10th Edition Zumdahl All Chapters

Chapter 1: Chemical Foundations 1. Which of the following is an example of a quantitative observation? A) The piece of metal is longer 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 affected 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 = 10 3 kilograms C) 10 3 milliliters = 1 liter D) 1 gram = 10 2 centigrams E) 10 decimeters = 1 meter ANS: B DIF: Easy REF: 1.3 KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes 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: Conceptual 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 following 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 prefixes 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: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes MSC: Conceptual 11. 8.1 kilogram(s) contains this many grams. A) 8.1  10 B) 8.1  10 C) 81 D) 0.81 E) 8.1  10 2 3 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 seconds contain this many picoseconds. A) 6.1  10 B) 6.1  10 12 12 C) 6.1  10 D) 6.1  10 E) 6.1  10 9 9 15 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  10 B) 9.49  10 C) 9.49  10 D) 9.49  10 E) 9.49  10 7 9 12 10 8 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 these 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 given 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 laboratory 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 having 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 represent 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 following 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 accurate 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