Question 1

1 picometer = ________ centimeters

Accepted Answer

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

Question 2

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) 0.502 
A) 1.99 × 10-3 
B) 50.2 
C) 3.58 
D) 35.8 
E) 0.502

Question 3

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) 4790 
A) 1.79 
B) 0.560 
C) 92.5 
D) 0.000209 
E) 4790

Question 4

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 Celsius 
A) Kelvin 
B) Celsius 
C) Fahrenheit 
D) Kelvin and Celsius 
E) Fahrenheit and Celsius

Question 5

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) solutions 
A) heterogeneous mixture 
B) compounds 
C) homogeneous mixture 
D) elements 
E) solutions

Question 6

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

Question 7

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

Question 8

3.2 cm3 = 0.0032 L

Accepted Answer

A) True 
 B)False

Question 9

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

Question 10

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) 1.738 
A) 0.5754 
B) 7128 
C) 3.625 
D) 2.663 
E) 1.738

Question 11

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 above 
A) 0.723 
B) 1.38 
C) 134 
D) 7.48 
E) none of the above

Question 12

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

Question 13

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

Question 14

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.

Accepted Answer

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

Question 15

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 mixture 
A) pure substance 
B) element 
C) both homogeneous and heterogeneous mixtures 
D) homogeneous mixture 
E) heterogeneous mixture

Question 16

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) 17.0 
A) 17.367 
B) 17.40 
C) 17.37 
D) 17.4 
E) 17.0

Question 17

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) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 18

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) 5.84 
A) 0.171 
B) 644 
C) 10.5 
D) 0.00155 
E) 5.84

Question 19

Which one of the following is a pure substance?

Accepted Answer

A) tap water 
B) rock 
C) air 
D) elemental oxygen 
E) apple 
A) tap water 
B) rock 
C) air 
D) elemental oxygen 
E) apple

Question 20

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. 
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.

Exam 1: Introduction: Matter and Measurement

1 picometer = ________ centimeters

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

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

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

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

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.)

Which states of matter are significantly compressible?

3.2 cm3 = 0.0032 L

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

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

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).

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

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

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.

For which of the following can the composition vary?

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

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

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.

Which one of the following is a pure substance?

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

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

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

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

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.)

3.2 cm³ = 0.0032 L

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

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).

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

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.