CHEMISTRY
STEVEN S. ZUMDAHL & SUSANA. ZUMDAHL
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9th Edition
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TESTBANK n
,Chapter1: Chemical Foundations
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1. Which of the following is an example of a quantitative observation?
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A) The piece of metal is longer than the piece of wood.
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B) Solution 1 is much darker than solution 2. n n n n n n n
C) The liquid in beaker A is blue.
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D) The temperature of the liquid is 60°C.
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E) At least two ofthe above (A-D) are quantitative observations.
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ANS: D n DIF: Easy
n REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
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MSC: Conceptual
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2. A quantitative observation
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A) contains a number and a unit n n n n n
B) does not contain a number n n n n
C) always makes a comparison n n n
D) must be obtained through experimentation
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E) is none of these
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ANS: A n DIF: Easy
n REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
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MSC: Conceptual
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3. Generally, observed behavior that can be formulated into a statement, sometimes
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mathematical in nature, is called a(n)
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A) observation
B) measurement
C) theory
D) natural law n
E) experiment
ANS: D n DIF: Easy
n REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
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MSC: Conceptual
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4. The statement “The total mass of materials is not affected by a chemical change in those
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materials” is called a(n)
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A) observation
B) measurement
C) theory
D) natural law n
E) experiment
ANS: D n DIF: Easy
n REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
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MSC: Conceptual
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5. A chemical theory that has been known for a long time becomes a law.
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, ANS: F n DIF: Easy
n REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
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MSC: Conceptual
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6. Which ofthe following metric relationships is incorrect?
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A) 1 microliter = 10–6 liters
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B) 1 gram = 103 kilograms
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C) 103 milliliters = 1 liter n n n n
D) 1 gram = 102 centigrams
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E) 10 decimeters = 1 meter n n n n
ANS: B n DIF: Easyn REF: 1.3
KEY: Chemistry| general chemistry | general concepts | measurement | SI unit | prefixes MSC:
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Quantitative
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7. For which pair is the SI prefix not matched correctly with its meaning?
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A)
B)
C)
D)
E)
ANS: C n DIF: Easy
n REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes MSC:
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Conceptual
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8. A metric unit for length is
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A) gram
B) milliliter
C) yard
D) kilometer
E) pound
ANS: D n DIF: Easyn REF: 1.3
KEY: Chemistry| general chemistry | general concepts | measurement | SI unit | base unit MSC:
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Conceptual
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9. Which of the following is not a unit in the SI system?
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A) ampere
B) candela
C) Kelvin
D) meter
E) calorie
ANS: E n DIF: Easyn REF: 1.3
KEY: Chemistry| general chemistry | general concepts | measurement | SI unit | base unit MSC:
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Conceptual
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10. Order the four metric prefixes from smallest to largest.
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, A) nano- < milli- < centi- < kilo- n n n n n n
B) milli- < nano- < centi- < kilo- n n n n n n
C) kilo- < centi- < nano- < milli-
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D) kilo- < centi- < milli- < nano-
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E) centi- < nano- < kilo- < milli- n n n n n n
ANS: A n DIF: Easy
n REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes MSC:
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Conceptual
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11. 8.1 kilogram(s) contains this manygrams.
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A) 8.1 102 n n
B) 8.1 10
3
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C) 81
D) 0.81
E) 8.1 10−3 n n
ANS: B n DIF: Easy
n REF: 1.3
KEY: Chemistry| general chemistry | general concepts | measurement | SI unit | mass MSC:
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Conceptual
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12. Convert 0.3980 m to mm. n n n n
A)
B)
C)
D)
E)
ANS: A n DIF: Easy
n REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes MSC:
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Conceptual
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13. 6.1 seconds contain this manypicoseconds.
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A) 6.1 1012 n n
B) 6.1 10−12 n n
−9
C) 6.1 10 n n
D) 6.1 109 n n
E) 6.1 1015 n n
ANS: A n DIF: Easy
n REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes MSC:
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Conceptual
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14. 9.49 seconds contain this many nanoseconds.
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A) 9.49 107 n n
B) 9.49 109 n n
C) 9.49 1012 n n
D) 9.49 1010 n n
E) 9.49 108 n n