Question 1

A difference in one degree of temperature 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 C

Question 2

An inert atmosphere was obtained by adding nitrogen in a room that measures   and has a 8.00 ft ceiling.How many liters of nitrogen were used to fill the room?

Accepted Answer

A) 2.74 × 104 
B) 102 
C) 29.5 
D) 2.95 × 107 
E) 9.14 × 105 
A) 2.74 × 104 
B) 102 
C) 29.5 
D) 2.95 × 107 
E) 9.14 × 105 A

Question 3

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 E

Question 4

1 kilogram = ________ milligrams

Accepted Answer

A) 1 × 10-6 
B) 1,000 
C) 10,000 
D) 1,000,000 
E) none of the above 
A) 1 × 10-6 
B) 1,000 
C) 10,000 
D) 1,000,000 
E) none of the above

Question 5

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 6

The density of a gold nugget is 19.3 g/cm3.If the volume of the gold nugget is 0.00369 L,the mass of the nugget is ________ g.

Accepted Answer

A) 71.2 
B) 0.191 
C) 19.3 
D) 5.23 
E) none of the above 
A) 71.2 
B) 0.191 
C) 19.3 
D) 5.23 
E) none of the above

Question 7

A temperature of 10.00 °C is the same as ________ °F.

Accepted Answer

A) 50.00 
B) 32.18 
C) -12.22 
D) 283.15 
E) -263.15 
A) 50.00 
B) 32.18 
C) -12.22 
D) 283.15 
E) -263.15

Question 8

The volume of a regular cylinder is V =πr2h.What is the volume   of a cylinder of radius 2.34 cm and height 19.91 cm expressed to the correct number of significant figures?

Accepted Answer

A) 342.49471 
B) 342.495 
C) 342.49 
D) 343 
E) 342 
A) 342.49471 
B) 342.495 
C) 342.49 
D) 343 
E) 342

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

1.55 kg/m3 is equivalent to ________ g/L.

Accepted Answer

A) 1.55 × 10-3 
B) 1.55 × 103 
C) 1.55 × 10-6 
D) 1.55 × 106 
E) 1.55 
A) 1.55 × 10-3 
B) 1.55 × 103 
C) 1.55 × 10-6 
D) 1.55 × 106 
E) 1.55

Question 11

An iron mine produces 2.18 × 105 US tons of raw ore on a daily basis which contains 21.47% elemental iron.How many pounds of elemental iron would the mine produce over a span of one year? (Assume the mine operates 365 days per year.)(1 US ton = 2000 lbs.)

Accepted Answer

A) 1.59 × 1011 
B) 7.96 × 107 
C) 3.42 × 1010 
D) 1.71 × 107 
E) 4.68 × 104 
A) 1.59 × 1011 
B) 7.96 × 107 
C) 3.42 × 1010 
D) 1.71 × 107 
E) 4.68 × 104

Question 12

1 nanometer = ________ picometers

Accepted Answer

A) 1000 
B) 0.001 
C) 1 × 10-6 
D) 1 × 106 
E) 10 
A) 1000 
B) 0.001 
C) 1 × 10-6 
D) 1 × 106 
E) 10

Question 13

Which of the following is not an exact number?

Accepted Answer

A) the number of seconds in a year 
B) the number of millimeters in a kilometer 
C) the number of liters in a gallon 
D) the number of centimeters in an inch 
E) the number of grams in a kilogram 
A) the number of seconds in a year 
B) the number of millimeters in a kilometer 
C) the number of liters in a gallon 
D) the number of centimeters in an inch 
E) the number of grams in a kilogram

Question 14

Which one of the following is the highest temperature?

Accepted Answer

A) 38 °C 
B) 96 °F 
C) 302 K 
D) none of the above 
E) the freezing point of water 
A) 38 °C 
B) 96 °F 
C) 302 K 
D) none of the above 
E) the freezing point of water

Question 15

Si is the symbol for the element ________.

Accepted Answer

The answer of Si is the symbol for the element...

Question 16

An object measuring 0.76 decimeters will have a length of ________ centimeters.

Accepted Answer

A) 7.6 
B) 0.076 
C) 0.0076 
D) 1100 
E) 0.00076 
A) 7.6 
B) 0.076 
C) 0.0076 
D) 1100 
E) 0.00076

Question 17

Iron has a density of 7.9 g/cm3.What is the mass of a cube of iron with the length of one side equal to 55.0 mm?

Accepted Answer

A) 2.1 × 104 g 
B) 4.3 × 102 g 
C) 1.3 × 103 g 
D) 1.4 g 
E) 2.3 × 10-2 g 
A) 2.1 × 104 g 
B) 4.3 × 102 g 
C) 1.3 × 103 g 
D) 1.4 g 
E) 2.3 × 10-2 g

Question 18

If an object is accelerating at a rate of 25 m/s2,how long (in seconds)will it take to reach a speed of 550 m/s? (Assume an initial velocity of zero.)

Accepted Answer

A) 22 
B) 1.4 × 104 
C) 0.045 
D) 1.2 × 104 
E) 2.3 × 102 
A) 22 
B) 1.4 × 104 
C) 0.045 
D) 1.2 × 104 
E) 2.3 × 102

Question 19

A small amount of salt dissolved in water is an example of a ________.

Accepted Answer

A) homogeneous mixture 
B) heterogeneous mixture 
C) compound 
D) pure substance 
E) solid 
A) homogeneous mixture 
B) heterogeneous mixture 
C) compound 
D) pure substance 
E) solid

Question 20

Convert 1 cm3 to Å3.

Accepted Answer

A) 1024 
B) 10-24 
C) 1030 
D) 10-30 
E) 10-9 
A) 1024 
B) 10-24 
C) 1030 
D) 10-30 
E) 10-9

Exam 1: Introduction: Matter, energy, and Measurement

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

An inert atmosphere was obtained by adding nitrogen in a room that measures and has a 8.00 ft ceiling.How many liters of nitrogen were used to fill the room?

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.

1 kilogram = ________ milligrams

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

The density of a gold nugget is 19.3 g/cm3.If the volume of the gold nugget is 0.00369 L,the mass of the nugget is ________ g.

A temperature of 10.00 °C is the same as ________ °F.

The volume of a regular cylinder is V =πr2h.What is the volume of a cylinder of radius 2.34 cm and height 19.91 cm expressed to the correct number of significant figures?

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

1.55 kg/m3 is equivalent to ________ g/L.

An iron mine produces 2.18 × 105 US tons of raw ore on a daily basis which contains 21.47% elemental iron.How many pounds of elemental iron would the mine produce over a span of one year? (Assume the mine operates 365 days per year.)(1 US ton = 2000 lbs.)

1 nanometer = ________ picometers

Which of the following is not an exact number?

Which one of the following is the highest temperature?

Si is the symbol for the element ________.

An object measuring 0.76 decimeters will have a length of ________ centimeters.

Iron has a density of 7.9 g/cm3.What is the mass of a cube of iron with the length of one side equal to 55.0 mm?

If an object is accelerating at a rate of 25 m/s2,how long (in seconds)will it take to reach a speed of 550 m/s? (Assume an initial velocity of zero.)

A small amount of salt dissolved in water is an example of a ________.

Convert 1 cm3 to Å3.

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

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

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.

Gold has a density of 0.01932 kg/cm³.What is the mass (in kg)of a 92.5 cm³sample of gold?

The density of a gold nugget is 19.3 g/cm³.If the volume of the gold nugget is 0.00369 L,the mass of the nugget is ________ g.

The volume of a regular cylinder is V =πr²h.What is the volume of a cylinder of radius 2.34 cm and height 19.91 cm expressed to the correct number of significant figures?

1.55 kg/m³ is equivalent to ________ g/L.

An iron mine produces 2.18 × 10⁵ US tons of raw ore on a daily basis which contains 21.47% elemental iron.How many pounds of elemental iron would the mine produce over a span of one year? (Assume the mine operates 365 days per year.)(1 US ton = 2000 lbs.)

Iron has a density of 7.9 g/cm³.What is the mass of a cube of iron with the length of one side equal to 55.0 mm?

If an object is accelerating at a rate of 25 m/s²,how long (in seconds)will it take to reach a speed of 550 m/s? (Assume an initial velocity of zero.)

Convert 1 cm³ to Å³.