Question 1

Which of the following is an example of a physical property?

Accepted Answer

A) corrosiveness of sulfuric acid 
B) toxicity of cyanide 
C) flammability of gasoline 
D) neutralization of stomach acid with an antacid 
E) lead becomes a liquid when heated to 601oC 
A) corrosiveness of sulfuric acid 
B) toxicity of cyanide 
C) flammability of gasoline 
D) neutralization of stomach acid with an antacid 
E) lead becomes a liquid when heated to 601oC

Question 2

An automobile engine has a piston displacement of 1,600 cm3.Express this volume in liters.

Accepted Answer

Question 3

What will be the cost of gasoline for a 4,700-mile automobile trip if the car gets 41 miles per gallon, and the average price of gas is $3.79 per gallon?

Accepted Answer

The answer of What will be the cost of gasoline...

Question 4

An excavator is preparing to dig a basement for a new house.Part of his contract reads that he must dispose of all the dirt he removes while digging the basement in an EPA approved landfill.He will dig a hole that is 40 feet wide by 50 feet long and 7.5 feet deep.He first uses his shovel and scoops up 1.00 kg of dirt, and then determines that the dirt has a volume of 600 cm3.The excavator knows that his dump truck can only carry 8,000 kg of dirt.How many dump-truck loads will it take to haul the dirt away?

Accepted Answer

Question 5

Convert 7.2 cm3 to mm3

Accepted Answer

A) 7.2 x 101 mm3 
B) 7.2 x 10-5 mm3 
C) 7.2 x 10-3 mm3 
D) 7.2 x 102 mm3 
E) 7.2 x 103 mm3 
A) 7.2 x 101 mm3 
B) 7.2 x 10-5 mm3 
C) 7.2 x 10-3 mm3 
D) 7.2 x 102 mm3 
E) 7.2 x 103 mm3

Question 6

The diameter of Earth is 12.7 Mm.Express this diameter in centimeters.

Accepted Answer

A) 1.27 × 105 cm 
B) 1.27 × 106 cm 
C) 1.27 × 107 cm 
D) 1.27 × 108 cm 
E) 1.27 × 109 cm 
A) 1.27 × 105 cm 
B) 1.27 × 106 cm 
C) 1.27 × 107 cm 
D) 1.27 × 108 cm 
E) 1.27 × 109 cm

Question 7

How many significant figures does the result of the following sum contain? 8.520 + 2.7

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 8

The weight of a body varies according to the force of gravity exerted on the body.

Accepted Answer

A) True 
 B)False

Question 9

A unifying principle that explains a body of facts and relations is referred to as

Accepted Answer

A) a hypothesis. 
B) a law. 
C) a theory. 
D) none of the above. 
A) a hypothesis. 
B) a law. 
C) a theory. 
D) none of the above.

Question 10

Dry ice (carbon dioxide)changes from a solid to a gas at -78.5°C.What is this temperature in °F?

Accepted Answer

A) -173°F 
B) -12.6°F 
C) -109°F 
D) -75.6°F 
E) none of them are within 2°F of the right answer 
A) -173°F 
B) -12.6°F 
C) -109°F 
D) -75.6°F 
E) none of them are within 2°F of the right answer

Question 11

The average distance from Earth to the sun is 9.3 × 107 miles.How many kilometers is this?

Accepted Answer

A) 1.5 × 108 km 
B) 1.5 × 105 km 
C) 5.6 × 107 km 
D) 1.7 × 10-8 km 
E) 1.5 × 1011 km 
A) 1.5 × 108 km 
B) 1.5 × 105 km 
C) 5.6 × 107 km 
D) 1.7 × 10-8 km 
E) 1.5 × 1011 km

Question 12

An American engineer who had been transferred to Europe was asked to build bridge pilings exactly as he had in the United States.Each piling required 20.0 cubic yards of concrete in the United States.How many cubic meters of concrete are required for each piling? Given: 1 yd = 0.914 m.

Accepted Answer

The answer of An American engineer who had been transferred...

Question 13

Convert 6.4 mm3 to mL

Accepted Answer

A) 6.4 x 10-3 mL 
B) 6.4 x 10-1 mL 
C) 6.4 x 103 mL 
D) 6.4 x 10-2 mL 
E) 6.4 mL 
A) 6.4 x 10-3 mL 
B) 6.4 x 10-1 mL 
C) 6.4 x 103 mL 
D) 6.4 x 10-2 mL 
E) 6.4 mL

Question 14

Which one of the following is an example of a physical property?

Accepted Answer

A) dynamite explodes 
B) meat rots if it is not refrigerated 
C) gasoline burns 
D) ice floats on top of liquid water 
E) a silver platter tarnishes 
A) dynamite explodes 
B) meat rots if it is not refrigerated 
C) gasoline burns 
D) ice floats on top of liquid water 
E) a silver platter tarnishes

Question 15

Suppose a house has a floor area of 2,250 square feet.What is this area in units of square centimeters?

Accepted Answer

A) 2.42 cm2 
B) 2.09 × 106 cm2 
C) 5.02 × 104 cm2 
D) 6.86 × 104 cm2 
E) 101 cm2 
A) 2.42 cm2 
B) 2.09 × 106 cm2 
C) 5.02 × 104 cm2 
D) 6.86 × 104 cm2 
E) 101 cm2

Question 16

Give the correct number of significant figures and units to the problem below (5.62 cm - 0.45 cm)/ 342 s =

Accepted Answer

A) 1.51 x 10-2 s-1 
B) 1.5 x 10-2 cm2/s 
C) 1.51 x 10-2 cm/s 
D) 1.5 s-1 
E) 1.51 x 10-2 cm2·s 
A) 1.51 x 10-2 s-1 
B) 1.5 x 10-2 cm2/s 
C) 1.51 x 10-2 cm/s 
D) 1.5 s-1 
E) 1.51 x 10-2 cm2·s

Question 17

Give the correct number of significant figures and units to the problem below 8.22 m2 / 9.11 m =

Accepted Answer

A) 0.902 m2 
B) 0.902 m3 
C) 0.902 m 
D) 0.902 
E) 0.90 m2 
A) 0.902 m2 
B) 0.902 m3 
C) 0.902 m 
D) 0.902 
E) 0.90 m2

Question 18

Give the correct number of significant figures and units to the problem below 4.51 m x 3.2 m =

Accepted Answer

A) 14.4 m 
B) 14 m 
C) 14 m2 
D) 14.4 
E) 14.4 m2 
A) 14.4 m 
B) 14 m 
C) 14 m2 
D) 14.4 
E) 14.4 m2

Question 19

The density of mercury is 13.6 g/cm3.What is the mass in pounds of 1.0 gallons of mercury? (1 lb = 453.6 g; 1 gal = 3.785 L)

Accepted Answer

A) 0.11 lb 
B) 30.lb 
C) 51 lb 
D) 83 lb 
E) 110 lb 
A) 0.11 lb 
B) 30.lb 
C) 51 lb 
D) 83 lb 
E) 110 lb

Question 20

What is the volume, in cubic centimeters, of a brick that is 4.0 in × 2.7 in × 8.0 in?

Accepted Answer

A) 5.3 cm3 
B) 53 cm3 
C) 87 cm3 
D) 4.8 × 102 cm3 
E) 1.4 × 103 cm3 
A) 5.3 cm3 
B) 53 cm3 
C) 87 cm3 
D) 4.8 × 102 cm3 
E) 1.4 × 103 cm3

Exam 1: Chemistry: the Study of Change

Which of the following is an example of a physical property?

An automobile engine has a piston displacement of 1,600 cm3.Express this volume in liters.

What will be the cost of gasoline for a 4,700-mile automobile trip if the car gets 41 miles per gallon, and the average price of gas is $3.79 per gallon?

Convert 7.2 cm3 to mm3

The diameter of Earth is 12.7 Mm.Express this diameter in centimeters.

How many significant figures does the result of the following sum contain? 8.520 + 2.7

The weight of a body varies according to the force of gravity exerted on the body.

A unifying principle that explains a body of facts and relations is referred to as

Dry ice (carbon dioxide)changes from a solid to a gas at -78.5°C.What is this temperature in °F?

The average distance from Earth to the sun is 9.3 × 107 miles.How many kilometers is this?

An American engineer who had been transferred to Europe was asked to build bridge pilings exactly as he had in the United States.Each piling required 20.0 cubic yards of concrete in the United States.How many cubic meters of concrete are required for each piling? Given: 1 yd = 0.914 m.

Convert 6.4 mm3 to mL

Which one of the following is an example of a physical property?

Suppose a house has a floor area of 2,250 square feet.What is this area in units of square centimeters?

Give the correct number of significant figures and units to the problem below (5.62 cm - 0.45 cm)/ 342 s =

Give the correct number of significant figures and units to the problem below 8.22 m2 / 9.11 m =

Give the correct number of significant figures and units to the problem below 4.51 m x 3.2 m =

The density of mercury is 13.6 g/cm3.What is the mass in pounds of 1.0 gallons of mercury? (1 lb = 453.6 g; 1 gal = 3.785 L)

What is the volume, in cubic centimeters, of a brick that is 4.0 in × 2.7 in × 8.0 in?

Atoms, Molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

An automobile engine has a piston displacement of 1,600 cm³.Express this volume in liters.

Convert 7.2 cm³ to mm³

The average distance from Earth to the sun is 9.3 × 10⁷ miles.How many kilometers is this?

Convert 6.4 mm³ to mL

Give the correct number of significant figures and units to the problem below 8.22 m² / 9.11 m =

The density of mercury is 13.6 g/cm³.What is the mass in pounds of 1.0 gallons of mercury? (1 lb = 453.6 g; 1 gal = 3.785 L)