71) An international group of zookeepers with successful breeding programs made the following
animal exchanges last year. Using the same bartering system, how many oryxes can a zoo obtain
in exchange for 15 flamingos?
A) one oryx
B) three oryxes
C) four oryxes
D) five oryxes
72) One year is equivalent to
A) 2.91 × ps
B) 3.15 × ns
C) 3.25 × ms
D) 2.91 × fs
73) You are visiting the planet Lagmom. The money exchange rates are shown below. How
many Lagmom fizzbarts will you receive in exchange for $500 at the Lagmom Spaceport
Currency Exchange counter?
A) 5.00 × 102 fizzbarts
B) 1.00 × 103 fizzbarts
C) 1.00 × 104 fizzbarts
D) 5.00 × 105 fizzbarts
74) The LD50 values for several chemicals are listed below. These chemicals were tested on
laboratory mice. Which was the most toxic to the mice in small amounts?
A) aspirin 1.5 g/kg
B) chloroform, 3.2 g/kg
C) ethyl alcohol, 10.6 g/kg
D) sodium cyclamate, 17 g/kg
75) The LD50 values for several chemicals are listed below. These chemicals were tested on
laboratory mice. Which was the least toxic to the mice in small amounts?
A) aspirin 1.5 g/kg
B) chloroform, 3.2 g/kg
C) ethyl alcohol, 10.6 g/kg
D) sodium cyclamate, 17 g/kg
76) Liquids A, B, and C are insoluble in one another (i.e., they are immiscible). A, B, and C have
densities of and respectively. Which drawing represents the
result of placing all three liquids into the same graduated cylinder?
A) drawing (a)
B) drawing (b)
C) drawing (c)
D) drawing (d)
77) A certain liquid has a density of 1.25 g/cm3. Which drawing below most closely represents
the volume of this liquid needed to obtain 5.00 g of the liquid?
A) drawing (a)
B) drawing (b)
C) drawing (c)
D) drawing (d)
78) A certain solid has a density of 8.0 g/cm3. If 4.0 g of this solid are placed into 4.00 mL of
water, which drawing below most closely represents the volume of water after the solid is added?
A) drawing (a)
B) drawing (b)
C) drawing (c)
D) drawing (d)
Use the drawings below to answer the following questions.
79) If hitting the bullseye is the desired result, Figure (a) represents
A) good accuracy and good precision.
B) good accuracy and poor precision.
C) poor accuracy and good precision.
D) poor accuracy and poor precision.
80) If hitting the bullseye is the desired result, Figure (b) represents
A) good accuracy and good precision.
B) good accuracy and poor precision.
C) poor accuracy and good precision.
D) poor accuracy and poor precision.
81) If hitting the bullseye is the desired result, Figure (c) represents
A) good accuracy and good precision.
B) good accuracy and poor precision.
C) poor accuracy and good precision.
D) poor accuracy and poor precision.
82) To the correct number of significant figures, what is the temperature reading on the
following Celsius thermometer?
A) 21°C
B) 21.7°C
C) 21.70°C
D) 22°C
83) To the correct number of significant figures, what is the temperature reading on the
following Celsius thermometer?
A) 15°C
B) 15.6°C
C) 15.67°C
D) 16°C
84) What is the temperature reading on the following Celsius thermometer in degrees Kelvin?
A) 2.95 × °K
B) 21.7°K
C) 21.6°K
D) 2.9 × °K
85) What is the temperature reading on the following Celsius thermometer in degrees Kelvin?
A) 2.8882 × °K
B) 15.6°K
C) 15.67°K
D) 288°K
86) To the correct number of significant figures, what is the volume of the liquid in the graduated
cylinder?
A) 7 mL
B) 7.0 mL
C) 7.7 mL
D) 8 mL
87) To the correct number of significant figures, what is the level of the liquid in the buret?
A) 0.2 mL
B) 0.29 mL
C) 0.3 mL
D) 0.35 mL
0.2 Algorithmic Questions
1) What symbol is used to represent the factor 10-3?
A) M
B) m
C) μ
D) n
2) Without using a calculator, solve the following problem:
A) 1 × 102
B) 1 × 108
C) 1 × 1020
D) 1 × 1026
3) Without using a calculator, solve the following problem:
)10 × (1
)]10 × (1 × )10 × [(1
3
225–
A) 1 × 100
B) 1 × 10-3
C) 1 × 10-9
D) 1 × 10-12
4) Which of the following is the greatest mass?
A) 10,000,000 μg
B) 1.000 × 100 kg
C) 1.000 × 100 cg
D) 1.000 × 10-4 Mg
5) The mass of a proton is 1.67 × 10-27 kg. What is the mass of a proton in nanograms?
A) 1.67 × 10-21 ng
B) 1.67 × 10-18 ng
C) 1.67 × 10-15 ng
D) 1.67 × 10-12 ng
6) The mass of a single copper atom is 1.055 × 10-22 g. This is the same mass as
A) 1.055 × 10-16 mg.
B) 1.055 × 10-25 kg.
C) 1.055 × 10-28 μg.
D) 1.055 × 10-31 ng.
7) A student weighed 3000. μg of sulfur in the lab. This is the same mass as
A) 3.000 × 10-6 g.
B) 3.000 × 10-3 kg.
C) 3.000 × 10-3 mg.
D) 3.000 × 106 ng.
8) Convert 5 μm to meters.
A) 5 × 10-9 m
B) 5 × 10-6 m
C) 5 × 10-3 m
D) 5 × 106 m
9) The average distance between nitrogen and oxygen atoms is 115 pm in a compound called
nitric oxide. What is this distance in decimeters?
A) 1.15 × 10-10 dm
B) 1.15 × 10-9 dm
C) 1.15 × 1011 dm
D) 1.15 × 1015 dm
10) The diameter of an atom is approximately 1 × 10-10 m. What is the diameter in decimeters?
A) 1 × 10-24 dm
B) 1 × 10-21 dm
C) 1 × 10-9 dm
D) 1 × 10-6 dm
11) The diameter of the nucleus of an atom is approximately 1 × 10-15 m. If 1 nm is equal to 10
what is the diameter of the nucleus in
A) 1 × 10-23 Å
B) 1 × 10-8 Å
C) 1 × 10-7 Å
D) 1 × 10-5 Å
12) If the melting point of tungsten metal is 3422°C, what is its melting point in Kelvin
temperature?
A) 1869 K
B) 3149 K
C) 3695 K
D) 6192 K
13) Which of the following is the lowest temperature?
A) 72°C
B) 75°F
C) 348 K
D) All of these temperatures are all equal.
14) Which of the following volumes is equal to 20 mL?
A) 20 cm3
B) 20 dm3
C) 0.20 L
D) 0.00020 kL
15) Convert 1000 cm3 to m3.
A) 1 × 10-3 m3
B) 1 × 101 m3
C) 1 × 105 m3
D) 1 × 109 m3
16) Convert 45 m3 to liters.
A) 4.5 × 10-2 L
B) 4.5 L
C) 4.5 × 102 L
D) 4.5 × 104 L
17) Which of the following is the smallest volume?
A) 11 cm3
B) 0.25 dL
C) 1.4 × 103 mL
D) 2.5 × 107 nL
18) What symbol is used to represent the factor 10-2?
A) M
B) m
C) μ
D) c
19) The factor 10 corresponds to which prefix?
A) centi
B) deci
C) deka
D) milli
20) The factor 101 corresponds to which prefix?
A) centi
B) deci
C) deka
D) milli
21) A piece of metal ore weighs 9.00 g. When a student places it into a graduated cylinder
containing water, the liquid level rises from 21.25 mL to 26.47 mL. What is the density of the
ore?
A) 0.340 g/mL
B) 0.580 g/mL
C) 1.72 g/mL
D) 2.94 g/mL
22) A laboratory procedure requires 4.67 g of a liquid whose density is 1.034 g/mL. What
volume of liquid should be used for this procedure?
A) 4.83 mL
B) 4.52 mL
C) 0.221 mL
D) 5.70 mL
23) A mass of mercury occupies 0.650 L. What volume would an equal mass of ethanol occupy?
The density of mercury is and the density of ethanol is 0.789 g/mL.
A) 0.0378 L
B) 0.0896 L
C) 11.2 L
D) 26.4 L
24) Calculate the kinetic energy of a 150-g baseball moving at a speed of 36. m/s (81 mph). K.
E. = 1/2 .
A) 5.4 J
B) 9.7 × 101 J
C) 5.4 × 103 J
D) 9.7 × 104 J
25) Which of the following numbers has the greatest number of significant figures?
A) 0.8010
B) 0.504
C) 742000
D) 9.05 × 1024
26) How many of the following numbers contain 3 significant figures?
0.206 7.020 0.0200 7.03 × 1024
A) one
B) two
C) three
D) four
27) How many significant figures are there in the answer to the following problem?
(8.881 × 2.100) + 0.590 = ?
A) one
B) two
C) three
D) four
28) How many significant figures are there in the answer for the following problem?
57.5 + 0.9933 + 32 = ?
A) one
B) two
C) three
D) four
29) How many significant figures are there in the answer for the following problem?
0.800
4.08] × 143) – [(165.7
= ?
A) one
B) two
C) three
D) four
30) A methane molecule contains 1 atom of carbon. The number 1 represents how many
significant figures?
A) one
B) two
C) three
D) infinite
31) Round off 807509 to four significant figures.
A) 0081
B) 8076
C) 8100
D) 8.075 × 105
32) If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in
a 173-pound man?
A) 1.1 kg Ca
B) 5.3 kg Ca
C) 1.1 × 102 kg Ca
D) 5.3 × 102 kg
33) A fishing boat accidentally spills 9.0 barrels of diesel oil into the ocean. Each barrel contains
42 gallons. If the oil film on the ocean is 2.5 × 102 nm thick, how many square meters will the
oil slick cover?
A) 5.7 × 10-3 m2
B) 5.7 × 106 m2
C) 5.7 × 107 m2
D) none of these
34) Because of the high heat and low humidity in the summer in Death Valley, California, a
visitor requires about one quart of water for every two miles traveled on foot. Calculate the
approximate number of liters required for a person to walk 20. kilometers in Death Valley.
A) 5.9 L
B) 23 L
C) 61 L
D) 93 L
0.3 Short Answer Questions
1) The difference between the boiling point and freezing point of water is 100°C, which is
________ kelvins.
2) Volume is a derived unit having the dimensions (unit length)x, where x = ________.
3) The quantity 3.00 cm3 is the same as ________ mL.
4) The density of lead is 11.3 g/cm3. The volume occupied by 227 g of lead is ________ cm3.
5) The density of mercury is 13.6 g/cm3. The mass of 38.0 cm3 of mercury is ________ g.
6) ________ refers to how well a number of independent measurements agree with one another,
whereas ________ refers to how close to the true value a given measurement is.
7) The quantity 1.0567 qt rounded to two significant figures is ________ qt.