Question 1

A compound is a substance that cannot be broken down into a simpler substance.

Accepted Answer

A) True 
 B)False

Question 2

A solution is an example of a (an):

Accepted Answer

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

Question 3

The odor of gasoline is a chemical property.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following statements about compounds is TRUE?

Accepted Answer

A) A substance that cannot be broken down into simpler substances. 
B) A pure substance that has variable composition throughout. 
C) A substance composed of two or more elements in fixed,definite proportions. 
D) A substance that is not as common as pure elements. 
E) none of the above 
A) A substance that cannot be broken down into simpler substances. 
B) A pure substance that has variable composition throughout. 
C) A substance composed of two or more elements in fixed,definite proportions. 
D) A substance that is not as common as pure elements. 
E) none of the above

Question 5

Which of the following items is a pure substance?

Accepted Answer

A) air 
B) seawater 
C) brass 
D) ice 
E) none of the above 
A) air 
B) seawater 
C) brass 
D) ice 
E) none of the above

Question 6

How much heat (kJ)is absorbed by 948.0 g of water in order for the temperature to increase from   to

Accepted Answer

A) 7.5 
B) 31.4 
C) 30.2 
D) 29.7 
E) none of the above 
A) 7.5 
B) 31.4 
C) 30.2 
D) 29.7 
E) none of the above

Question 7

Mixtures of miscible liquids that differ in their boiling points may be separated by distillation.

Accepted Answer

A) True 
 B)False

Question 8

Which among the following statements is false?

Accepted Answer

A) A solid has a definite shape and a definite volume. 
B) A liquid has a definite volume; but it has no definite shape. 
C) A gas has neither definite volume nor definite shape. 
D) Both solids and liquids are incompressible while gases are compressible. 
E) none of the above 
A) A solid has a definite shape and a definite volume. 
B) A liquid has a definite volume; but it has no definite shape. 
C) A gas has neither definite volume nor definite shape. 
D) Both solids and liquids are incompressible while gases are compressible. 
E) none of the above

Question 9

How would you classify raisin bran?

Accepted Answer

A) pure substance-compound 
B) mixture-heterogeneous 
C) pure substance-element 
D) mixture-homogeneous 
E) none of the above 
A) pure substance-compound 
B) mixture-heterogeneous 
C) pure substance-element 
D) mixture-homogeneous 
E) none of the above

Question 10

Which of the following items is a chemical property?

Accepted Answer

A) the paint color on a new red Corvette 
B) the odor of spearmint gum 
C) the melting and boiling point of water 
D) the tarnishing of a copper statue 
E) none of the above 
A) the paint color on a new red Corvette 
B) the odor of spearmint gum 
C) the melting and boiling point of water 
D) the tarnishing of a copper statue 
E) none of the above

Question 11

Consider the following specific heats of metals. 
 
If the same amount of heat is added to 50.0 g samples of each of the metals,which are all at the same temperature,which metal will reach the highest temperature?

Accepted Answer

A) aluminum 
B) copper 
C) gold 
D) iron 
E) silver 
A) aluminum 
B) copper 
C) gold 
D) iron 
E) silver

Question 12

A 15.0 gram lead ball at 25.0°C was heated with 40.5 joules of heat.Given the specific heat of lead is 0.128 J/g∙°C,what is the final temperature of the lead?

Accepted Answer

A) 21.1°C 
B) 46.1°C 
C) 77.8°C 
D) 0.844°C 
E) none of the above 
A) 21.1°C 
B) 46.1°C 
C) 77.8°C 
D) 0.844°C 
E) none of the above

Question 13

Which of the following is an example of a crystalline solid that shows an arrangement of long-range,repeating order?

Accepted Answer

A) glass 
B) salt 
C) plastic 
D) rubber 
E) none of the above 
A) glass 
B) salt 
C) plastic 
D) rubber 
E) none of the above

Question 14

The coldest temperature possible is 0 K.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following items is a mixture?

Accepted Answer

A) water 
B) helium 
C) brass 
D) sugar 
E) none of the above 
A) water 
B) helium 
C) brass 
D) sugar 
E) none of the above

Question 16

Sugar is a pure substance.

Accepted Answer

A) True 
 B)False

Question 17

Water is a mixture.

Accepted Answer

A) True 
 B)False

Question 18

Absolute zero is equivalent to a temperature of -273 K.

Accepted Answer

A) True 
 B)False

Question 19

In a solid substance,the atoms or molecules oscillate and vibrate about a fixed point.

Accepted Answer

A) True 
 B)False

Question 20

A chemical change occurs when matter does not change its composition.

Accepted Answer

A) True 
 B)False

A compound is a substance that cannot be broken down into a simpler substance.

A solution is an example of a (an):

The odor of gasoline is a chemical property.

Which of the following statements about compounds is TRUE?

Which of the following items is a pure substance?

How much heat (kJ)is absorbed by 948.0 g of water in order for the temperature to increase from to

Mixtures of miscible liquids that differ in their boiling points may be separated by distillation.

Which among the following statements is false?

How would you classify raisin bran?

Which of the following items is a chemical property?

Consider the following specific heats of metals. If the same amount of heat is added to 50.0 g samples of each of the metals,which are all at the same temperature,which metal will reach the highest temperature?

A 15.0 gram lead ball at 25.0°C was heated with 40.5 joules of heat.Given the specific heat of lead is 0.128 J/g∙°C,what is the final temperature of the lead?

Which of the following is an example of a crystalline solid that shows an arrangement of long-range,repeating order?

The coldest temperature possible is 0 K.

Which of the following items is a mixture?

Sugar is a pure substance.

Water is a mixture.

Absolute zero is equivalent to a temperature of -273 K.

In a solid substance,the atoms or molecules oscillate and vibrate about a fixed point.

A chemical change occurs when matter does not change its composition.

The Chemical World

Measurement and Problem Solving

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Exam 3: Matter and Energy

A compound is a substance that cannot be broken down into a simpler substance.

A solution is an example of a (an):

The odor of gasoline is a chemical property.

Which of the following statements about compounds is TRUE?

Which of the following items is a pure substance?

How much heat (kJ)is absorbed by 948.0 g of water in order for the temperature to increase from to

Mixtures of miscible liquids that differ in their boiling points may be separated by distillation.

Which among the following statements is false?

How would you classify raisin bran?

Which of the following items is a chemical property?

Consider the following specific heats of metals. If the same amount of heat is added to 50.0 g samples of each of the metals,which are all at the same temperature,which metal will reach the highest temperature?

A 15.0 gram lead ball at 25.0°C was heated with 40.5 joules of heat.Given the specific heat of lead is 0.128 J/g∙°C,what is the final temperature of the lead?

Which of the following is an example of a crystalline solid that shows an arrangement of long-range,repeating order?

The coldest temperature possible is 0 K.

Which of the following items is a mixture?

Sugar is a pure substance.

Water is a mixture.

Absolute zero is equivalent to a temperature of -273 K.

In a solid substance,the atoms or molecules oscillate and vibrate about a fixed point.

A chemical change occurs when matter does not change its composition.

The Chemical World

Measurement and Problem Solving

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters