Fundamentals of General, Organic, and Biological Chemistry 8th edition by John E. McMurry test bank

 
Identify the reactant(s) in this example.
A) heat
B) mercury + oxygen
C) mercury(II) oxide
D) mercury
E) oxygen
Answer:  C
Diff: 2
Section:  1.5
LO:  1.5
Global LO:  G2
 
45) Identify the product(s) in the following reaction:
 
             calcium carbonate → calcium oxide + carbon dioxide
 
A) calcium carbonate
B) calcium oxide + carbon dioxide
C) calcium carbonate + calcium oxide
D) carbon dioxide + calcium carbonate
E) calcium carbonate + calcium oxide + carbon dioxide
Answer:  B
Diff: 2
Section:  1.5
LO:  1.5
Global LO:  G2
 
46) Which of the following is an indication that a chemical reaction has taken place?
A) change in color
B) production of a gas
C) release of heat
D) formation of a solid
E) all of the above
Answer:  E
Diff: 2
Section:  1.5
LO:  1.5
Global LO:  G2

47) When the prefix milli is used in the metric or SI system, a fundamental unit of measurement is multiplied by what factor?
A)
B)
C)
D)
E)
Answer:  A
Diff: 2
Section:  1.6
LO:  1.7
Global LO:  G4
 
48) The number 5.320 ×  in conventional notation is
A) 532.0.
B) 53.20.
C) 5.320.
D) 0.5320.
E) 0.005320.
Answer:  A
Diff: 1
Section:  1.6
LO:  1.6
Global LO:  G4
 
49) In scientific notation, the number 185,000,000 is
A) 185 × .
B) 1.85 × .
C) 1.85 × .
D) 185 × .
E) 1.85 × .
Answer:  C
Diff: 2
Section:  1.6
LO:  1.6
Global LO:  G4
 

50) In scientific notation, the number 0.0046 is expressed as
A) 46 × .
B) 4.6 × .
C) 4.6 × .
D) 4.6 × .
E) 46 × .
Answer:  B
Diff: 2
Section:  1.6
LO:  1.6
Global LO:  G4
51) What is 2.1 ×  written in decimal notation?
A) 2,100,000
B) 210,000
C) 210
D) 0.000 21
E) 0.000 021
Answer:  E
Diff: 2
Section:  1.6
LO:  1.6
Global LO:  G4
 
52) What is 0.0970 written in scientific notation?
A) 970 ×
B) 97 ×
C) 9.70 ×
D) 97.0 ×
E) 0.97 ×
Answer:  C
Diff: 2
Section:  1.6
LO:  1.6
Global LO:  G4
 

53) When the prefix centi is used in the metric system, a fundamental unit of measurement is multiplied by what factor?
A)
B)
C)
D)
E)
Answer:  B
Diff: 2
Section:  1.6
LO:  1.6
Global LO:  G4
 
54) How many meters are there in one kilometer?
A)
B)
C)
D)
E)
Answer:  D
Diff: 2
Section:  1.6
LO:  1.6
Global LO:  G4
55) How long is 1 cm?
A) 0.01 mm
B) 1 mm
C) 10 mm
D) 100 mm
E) 1000 mm
Answer:  C
Diff: 3
Section:  1.6
LO:  1.6
Global LO:  G4
 

56) Which value is closest to the mass of a 2-pound box of laundry detergent?
A) 200 g
B) 2.0 × 10-4 cg
C) 9 × 109 mg
D) 1 kg
E) 4.5 × 103 ng
Answer:  D
Diff: 3
Section:  1.6
LO:  1.7
Global LO:  G4
 
57) The abbreviation for the metric unit used to measure mass is
A) g
B) g/cm3
C) K
D) L
E) m
Answer:  A
Diff: 1
Section:  1.7
LO:  1.7
Global LO:  G4
 
58) A student weighed a solid sample. The units for this measurement are most likely to be recorded as
A) grams.
B) grams per cubic centimeter.
C) Kelvins.
D) liters.
E) meters.
Answer:  A
Diff: 1
Section:  1.7
LO:  1.7
Global LO:  G4

59) The amount of matter in an object is its
A) density.
B) mass.
C) specific gravity.
D) volume.
E) weight.
Answer:  B
Diff: 2
Section:  1.7
LO:  1.7
Global LO:  G4
 
60) The measurement most likely to describe the amount of pain reliever in a headache tablet is
A) 1.5 kg.
B) 500 mg.
C) 1.00 mL.
D) 325 mg/mL.
E) 0.25 L.
Answer:  B
Diff: 2
Section:  1.7
LO:  1.7
Global LO:  G4
 
61) Which measurement represents the largest quantity?
A) 4730 ng
B) 4.73 × 10-4 g