Question 1

A car driving on the freeway has ________ energy.

Accepted Answer

The answer of A car driving on the freeway has...

Question 2

Which of the following is a physical change?

Accepted Answer

A) iron rusts 
B) ice melts 
C) sugar caramelizes 
D) food digests 
E) natural gas burns 
A) iron rusts 
B) ice melts 
C) sugar caramelizes 
D) food digests 
E) natural gas burns

Question 3

Which of the following is a homogeneous mixture?

Accepted Answer

A) noodle soup 
B) water 
C) sugar 
D) tea 
E) carbon 
A) noodle soup 
B) water 
C) sugar 
D) tea 
E) carbon

Question 4

A compound only contains one type of atom.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is not a characteristic of the solid state?

Accepted Answer

A) has a definite shape 
B) has a definite volume 
C) particles are close together 
D) particles are moving very fast 
E) particles are in fixed positions 
A) has a definite shape 
B) has a definite volume 
C) particles are close together 
D) particles are moving very fast 
E) particles are in fixed positions

Question 6

A burn from steam at 100 °C is expected to be more severe than a burn from boiling water at 100 °C because ________.

Accepted Answer

A) the steam is hotter than the boiling water 
B) there is more steam than water 
C) the steam will give off a large amount of heat as it condenses 
D) you are more likely to come into contact with the steam than with the boiling water 
E) All of these answers are correct. 
A) the steam is hotter than the boiling water 
B) there is more steam than water 
C) the steam will give off a large amount of heat as it condenses 
D) you are more likely to come into contact with the steam than with the boiling water 
E) All of these answers are correct.

Question 7

Which of the following is a physical change?

Accepted Answer

A) baking a cake 
B) solid dry ice changing to a gas 
C) fermenting grapes to produce wine 
D) digesting a meal 
E) a tomato ripening 
A) baking a cake 
B) solid dry ice changing to a gas 
C) fermenting grapes to produce wine 
D) digesting a meal 
E) a tomato ripening

Question 8

Which of the following is a property of a solid?

Accepted Answer

A) It takes the shape of the container. 
B) It fills the volume of the container. 
C) The particles move at a rapid rate. 
D) The interactions between its particles are very weak. 
E) The particles have fixed positions and are very close together. 
A) It takes the shape of the container. 
B) It fills the volume of the container. 
C) The particles move at a rapid rate. 
D) The interactions between its particles are very weak. 
E) The particles have fixed positions and are very close together.

Question 9

Black coffee is a homogeneous mixture.

Accepted Answer

A) True 
 B)False

Question 10

The specific heat of water (in J/g °C )is ________.

Accepted Answer

The answer of The specific heat of water (in J/g...

Question 11

The energy associated with the motion of particles in a substance is called ________.

Accepted Answer

A) temperature 
B) electrical energy 
C) heat 
D) chemical energy 
E) potential energy 
A) temperature 
B) electrical energy 
C) heat 
D) chemical energy 
E) potential energy

Question 12

An example of kinetic energy is ________.

Accepted Answer

A) a coiled spring 
B) running water 
C) a tree 
D) natural gas 
E) food 
A) a coiled spring 
B) running water 
C) a tree 
D) natural gas 
E) food

Question 13

How many calories are required to increase the temperature of 13 g of ethanol from 11 °C to 23 °C? The specific heat of ethanol is 0.59 cal/g °C.

Accepted Answer

A) 83 cal 
B) 0.63 cal 
C) 92 cal 
D) 0.54 cal 
E) 170 cal 
A) 83 cal 
B) 0.63 cal 
C) 92 cal 
D) 0.54 cal 
E) 170 cal

Question 14

As a solid melts,its temperature does not change.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is a physical property of both liquids and gases?

Accepted Answer

A) has its own shape 
B) has a definite volume 
C) has strong interactions between its particles 
D) has randomly arranged particles 
E) has large spaces between molecules 
A) has its own shape 
B) has a definite volume 
C) has strong interactions between its particles 
D) has randomly arranged particles 
E) has large spaces between molecules

Question 16

The change of state from solid to gas is termed ________.

Accepted Answer

The answer of The change of state from solid to...

Question 17

Bromine   )has a freezing point of -7 °C,and a boiling point of 60 °C.
Indicate the state present or the change of state occurring at each temperature.
--7 °C

Accepted Answer

The answer of Bromine   )has a freezing point...

Question 18

The heat of fusion for water is 80.cal/g.How many calories of heat are needed to melt a 35 g ice cube that has a temperature of 0 °C?

Accepted Answer

A) 2300 cal 
B) 1600 cal 
C) 2800 cal 
D) 540 cal 
E) 0 cal 
A) 2300 cal 
B) 1600 cal 
C) 2800 cal 
D) 540 cal 
E) 0 cal

Question 19

Bromine   )has a freezing point of -7 °C,and a boiling point of 60 °C.
Indicate the state present or the change of state occurring at each temperature.
-60 °C

Accepted Answer

boiling or

Question 20

A temperature of 41 °F is the same as ________.

Accepted Answer

A) 5 °C 
B) 310 °C 
C) -9 °C 
D) 16 °C 
E) 42 °C 
A) 5 °C 
B) 310 °C 
C) -9 °C 
D) 16 °C 
E) 42 °C

A car driving on the freeway has ________ energy.

Which of the following is a physical change?

Which of the following is a homogeneous mixture?

A compound only contains one type of atom.

Which of the following is not a characteristic of the solid state?

A burn from steam at 100 °C is expected to be more severe than a burn from boiling water at 100 °C because ________.

Which of the following is a physical change?

Which of the following is a property of a solid?

Black coffee is a homogeneous mixture.

The specific heat of water (in J/g °C )is ________.

The energy associated with the motion of particles in a substance is called ________.

An example of kinetic energy is ________.

How many calories are required to increase the temperature of 13 g of ethanol from 11 °C to 23 °C? The specific heat of ethanol is 0.59 cal/g °C.

As a solid melts,its temperature does not change.

Which of the following is a physical property of both liquids and gases?

The change of state from solid to gas is termed ________.

Bromine )has a freezing point of -7 °C,and a boiling point of 60 °C. Indicate the state present or the change of state occurring at each temperature. --7 °C

The heat of fusion for water is 80.cal/g.How many calories of heat are needed to melt a 35 g ice cube that has a temperature of 0 °C?

Bromine )has a freezing point of -7 °C,and a boiling point of 60 °C. Indicate the state present or the change of state occurring at each temperature. -60 °C

A temperature of 41 °F is the same as ________.

Chemistry in Our Lives

Chemistry and Measurement

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters

Exam 3: Matter and Energy

A car driving on the freeway has ________ energy.

Which of the following is a physical change?

Which of the following is a homogeneous mixture?

A compound only contains one type of atom.

Which of the following is not a characteristic of the solid state?

A burn from steam at 100 °C is expected to be more severe than a burn from boiling water at 100 °C because ________.

Which of the following is a physical change?

Which of the following is a property of a solid?

Black coffee is a homogeneous mixture.

The specific heat of water (in J/g °C )is ________.

The energy associated with the motion of particles in a substance is called ________.

An example of kinetic energy is ________.

How many calories are required to increase the temperature of 13 g of ethanol from 11 °C to 23 °C? The specific heat of ethanol is 0.59 cal/g °C.

As a solid melts,its temperature does not change.

Which of the following is a physical property of both liquids and gases?

The change of state from solid to gas is termed ________.

Bromine )has a freezing point of -7 °C,and a boiling point of 60 °C. Indicate the state present or the change of state occurring at each temperature. --7 °C

The heat of fusion for water is 80.cal/g.How many calories of heat are needed to melt a 35 g ice cube that has a temperature of 0 °C?

Bromine )has a freezing point of -7 °C,and a boiling point of 60 °C. Indicate the state present or the change of state occurring at each temperature. -60 °C

A temperature of 41 °F is the same as ________.

Chemistry in Our Lives

Chemistry and Measurement

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters