Question 1

1 picometer = ________ centimeters

Accepted Answer

A)  1 × 1010
B)  1 × 10-10
C)  1 × 108
D)  1 × 10-8
E)  1 × 10-12F) A) and E)
G) D) and E)

Question 2

The density of a 167.4 g sample of magnesium having a volume of 96.32 mL is ________ g/cm3.

Accepted Answer

A)  0.5754
B)  7128
C)  3.625
D)  2.663
E)  1.738F) D) and E)
G) None of the above

Question 3

Which of the following is an illustration of the law of constant composition?

Accepted Answer

A)  Water boils at 100 °C at 1 atm pressure.
B)  Water is 11% hydrogen and 89% oxygen by mass.
C)  Water can be separated into other substances by a chemical process.
D)  Water and salt have different boiling points.
E)  Water is a compound.F) B) and D)
G) A) and C)

Question 4

A certain liquid has a density of 2.67 g/cm3. 1340 g of this liquid would occupy a volume of ________ L.

Accepted Answer

A)  1.99 × 10-3
B)  50.2
C)  3.58
D)  35.8
E)  0.502F) All of the above
G) A) and D)

Question 5

How many significant figures should be retained in the result of the following calculation? 12.00000 × 0.9893 + 13.00335 × 0.0107

Accepted Answer

A)  2
B)  3
C)  4
D)  5
E)  6F) A) and E)
G) A) and D)

Question 6

Gold has a density of 0.01932 kg/cm3. What is the mass (in kg) of a 92.5 cm3 sample of gold?

Accepted Answer

A)  1.79
B)  0.560
C)  92.5
D)  0.000209
E)  4790F) A) and D)
G) None of the above

Question 7

The correct answer (reported to the proper number of significant figures) to the following is ________. 12.75 × 1.3621 = ________

Accepted Answer

A)  17.367
B)  17.40
C)  17.37
D)  17.4
E)  17.0F) None of the above
G) C) and E)

Question 8

The recommended adult dose of Elixophyllin 5" class="answers-bank-image d-inline" rel="preload" > , a drug used to treat asthma, is 6.00 mg/kg of body mass. Calculate the dose in milligrams for a 134-lb person.

Accepted Answer

A)  20
B)  1,773
C)  1.8
D)  365
E)  3.6 × 105F) D) and E)
G) A) and D)

Question 9

3.2 cm3 = 0.0032 L

Accepted Answer

A) True 
 B)False

Question 10

Which states of matter are significantly compressible?

Accepted Answer

A)  gases only
B)  liquids only
C)  solids only
D)  liquids and gases
E)  solids and liquidsF) B) and C)
G) B) and D)

Question 11

The density of silver is 10.5 g/cm3. A piece of silver with a mass of 61.3 g would occupy a volume of ________ cm3.

Accepted Answer

A)  0.171
B)  644
C)  10.5
D)  0.00155
E)  5.84F) C) and D)
G) None of the above

Question 12

For which of the following can the composition vary?

Accepted Answer

A)  pure substance
B)  element
C)  both homogeneous and heterogeneous mixtures
D)  homogeneous mixture
E)  heterogeneous mixtureF) A) and C)
G) All of the above

Question 13

Round the following number to four significant figures and express the result in standard exponential notation: 0.00222755

Accepted Answer

A)  0.2228 × 10-2
B)  0.002228
C)  2.228 × 103
D)  2.228 × 10-3
E)  22.28 × 102F) A) and B)
G) A) and C)

Question 14

If matter is uniform throughout and cannot be separated into other substances by physical means, it is ________.

Accepted Answer

A)  a compound
B)  either an element or a compound
C)  a homogeneous mixture
D)  a heterogeneous mixture
E)  an elementF) A) and E)
G) B) and C)

Question 15

Which one of the following is a pure substance?

Accepted Answer

A)  tap water
B)  rock
C)  air
D)  elemental oxygen
E)  appleF) A) and B)
G) C) and D)

Question 16

A temperature of 55.0 °F is the same as ________ °C.

Accepted Answer

A)  12.8
B)  131.0
C)  32.0
D)  328.2
E)  -218.2F) A) and E)
G) B) and E)

Question 17

An object will sink in a liquid if the density of the object is greater than that of the liquid. The mass of a sphere is 9.83 g. If the volume of this sphere is less than ________ cm3, then the sphere will sink in liquid mercury (density = 13.6 g/cm3) .

Accepted Answer

A)  0.723
B)  1.38
C)  134
D)  7.48
E)  none of the aboveF) C) and E)
G) A) and C)

Question 18

A one degree of temperature difference is the smallest on the ________ temperature scale.

Accepted Answer

A)  Kelvin
B)  Celsius
C)  Fahrenheit
D)  Kelvin and Celsius
E)  Fahrenheit and CelsiusF) All of the above
G) None of the above

Question 19

Which one of the following is often easily separated into its components by simple techniques such as filtering or decanting?

Accepted Answer

A)  heterogeneous mixture
B)  compounds
C)  homogeneous mixture
D)  elements
E)  solutionsF) A) and B)
G) None of the above

Question 20

If an object, beginning at rest, is moving at a speed of 700 m/s after 2.75 min, its rate of acceleration (in m/s2) is ________. (Assume that the rate of acceleration is constant.)

Accepted Answer

A)  1.16 × 105
B)  255
C)  193
D)  4.24
E)  1.53 × 104F) C) and E)
G) B) and E)

Exam 1: Introduction: Matter and Measurement

A temperature of 55.0 °F is the same as ________ °C.

Correct AnswerverifiedShow Answer

Which states of matter are significantly compressible?

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If an object, beginning at rest, is moving at a speed of 700 m/s after 2.75 min, its rate of acceleration (in m/s2) is ________. (Assume that the rate of acceleration is constant.)

Correct AnswerverifiedShow Answer

The density of silver is 10.5 g/cm3. A piece of silver with a mass of 61.3 g would occupy a volume of ________ cm3.

Correct AnswerverifiedShow Answer

The density of a 167.4 g sample of magnesium having a volume of 96.32 mL is ________ g/cm3.

Correct AnswerverifiedShow Answer

Which one of the following is a pure substance?

Correct AnswerverifiedShow Answer

3.2 cm3 = 0.0032 L

Correct AnswerverifiedShow Answer

Round the following number to four significant figures and express the result in standard exponential notation: 0.00222755

Correct AnswerverifiedShow Answer

A one degree of temperature difference is the smallest on the ________ temperature scale.

Correct AnswerverifiedShow Answer

Which of the following is an illustration of the law of constant composition?

Correct AnswerverifiedShow Answer

A certain liquid has a density of 2.67 g/cm3. 1340 g of this liquid would occupy a volume of ________ L.

Correct AnswerverifiedShow Answer

1 picometer = ________ centimeters

Correct AnswerverifiedShow Answer

The recommended adult dose of Elixophyllin , a drug used to treat asthma, is 6.00 mg/kg of body mass. Calculate the dose in milligrams for a 134-lb person.

Correct AnswerverifiedShow Answer

The correct answer (reported to the proper number of significant figures) to the following is ________. 12.75 × 1.3621 = ________

Correct AnswerverifiedShow Answer

An object will sink in a liquid if the density of the object is greater than that of the liquid. The mass of a sphere is 9.83 g. If the volume of this sphere is less than ________ cm3, then the sphere will sink in liquid mercury (density = 13.6 g/cm3) .

Correct AnswerverifiedShow Answer

For which of the following can the composition vary?

Correct AnswerverifiedShow Answer

Which one of the following is often easily separated into its components by simple techniques such as filtering or decanting?

Correct AnswerverifiedShow Answer

Gold has a density of 0.01932 kg/cm3. What is the mass (in kg) of a 92.5 cm3 sample of gold?

Correct AnswerverifiedShow Answer

How many significant figures should be retained in the result of the following calculation? 12.00000 × 0.9893 + 13.00335 × 0.0107

Correct AnswerverifiedShow Answer

If matter is uniform throughout and cannot be separated into other substances by physical means, it is ________.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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If an object, beginning at rest, is moving at a speed of 700 m/s after 2.75 min, its rate of acceleration (in m/s²) is ________. (Assume that the rate of acceleration is constant.)

Correct Answer
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The density of silver is 10.5 g/cm³. A piece of silver with a mass of 61.3 g would occupy a volume of ________ cm³.

Correct Answer
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The density of a 167.4 g sample of magnesium having a volume of 96.32 mL is ________ g/cm³.

Correct Answer
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Correct Answer
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3.2 cm³ = 0.0032 L

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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A certain liquid has a density of 2.67 g/cm³. 1340 g of this liquid would occupy a volume of ________ L.

Correct Answer
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Correct Answer
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Correct Answer
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The correct answer (reported to the proper number of significant figures) to the following is . 12.75 × 1.3621 =

Correct Answer
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An object will sink in a liquid if the density of the object is greater than that of the liquid. The mass of a sphere is 9.83 g. If the volume of this sphere is less than ________ cm³, then the sphere will sink in liquid mercury (density = 13.6 g/cm³) .

Correct Answer
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Correct Answer
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Correct Answer
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Gold has a density of 0.01932 kg/cm³. What is the mass (in kg) of a 92.5 cm³ sample of gold?

Correct Answer
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Correct Answer
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Correct Answer
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