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Clicker Questions
Chapter 3
Matter and
Energy
Laurie LeBlanc
Cuyamaca College
© 2015 Pearson Education, Inc.
The state of matter in which molecules are widely spaced is
A.
B.
C.
D.
E.
a solid.
a liquid.
a gas.
elemental.
molecular.
© 2015 Pearson Education, Inc.
The state of matter in which molecules are widely spaced is
A.
B.
C.
D.
E.
a solid.
a liquid.
a gas.
elemental.
molecular.
© 2015 Pearson Education, Inc.
A state of matter that has a definite volume and is relatively
incompressible is a
A.
B.
C.
D.
E.
solid.
liquid.
gas.
All of the above
Two of the above
© 2015 Pearson Education, Inc.
A state of matter that has a definite volume and is relatively
incompressible is a
A.
B.
C.
D.
E.
solid.
liquid.
gas.
All of the above
Two of the above
© 2015 Pearson Education, Inc.
Which of the following is an example of an amorphous solid?
A.
B.
C.
D.
E.
Diamond
Salt
Gold
Water
Soot
© 2015 Pearson Education, Inc.
Which of the following is an example of an amorphous solid?
A.
B.
C.
D.
E.
Diamond
Salt
Gold
Water
Soot
© 2015 Pearson Education, Inc.
Which of the following has the highest average
kinetic energy?
A.
B.
C.
D.
E.
Lead at 25 oC
Cold water at 21 oC
Hot water at 95 oC
A cool gas at 25 oC
A hot gas at 85 oC
© 2015 Pearson Education, Inc.
Which of the following has the highest average
kinetic energy?
A.
B.
C.
D.
E.
Lead at 25 oC
Cold water at 21 oC
Hot water at 95 oC
A cool gas at 25 oC
A hot gas at 85 oC
© 2015 Pearson Education, Inc.
Which of the following is a pure substance?
A.
B.
C.
D.
E.
Sodium
Milk
Blood
Saline solution
Stainless steel
© 2015 Pearson Education, Inc.
Which of the following is a pure substance?
A.
B.
C.
D.
E.
Sodium
Milk
Blood
Saline solution
Stainless steel
© 2015 Pearson Education, Inc.
Which of the following is an element?
A.
B.
C.
D.
E.
Sugar
Salt
Brass
Chlorine
Air
© 2015 Pearson Education, Inc.
Which of the following is an element?
A.
B.
C.
D.
E.
Sugar
Salt
Brass
Chlorine
Air
© 2015 Pearson Education, Inc.
Which of the following is a mixture?
A.
B.
C.
D.
E.
Seawater
Iron ore
Air
Milk
All of the above
© 2015 Pearson Education, Inc.
Which of the following is a mixture?
A.
B.
C.
D.
E.
Seawater
Iron ore
Air
Milk
All of the above
© 2015 Pearson Education, Inc.
Boiling point is an example of a
A.
B.
C.
D.
E.
physical change.
chemical change.
quantitative property.
physical property.
chemical property.
© 2015 Pearson Education, Inc.
Boiling point is an example of a
A.
B.
C.
D.
E.
physical change.
chemical change.
quantitative property.
physical property.
chemical property.
© 2015 Pearson Education, Inc.
How would you classify wine?
A.
B.
C.
D.
E.
Pure substance—compound
Pure substance—element
Mixture—homogeneous
Mixture—heterogeneous
Pure substance—homogenous
© 2015 Pearson Education, Inc.
How would you classify wine?
A.
B.
C.
D.
E.
Pure substance—compound
Pure substance—element
Mixture—homogeneous
Mixture—heterogeneous
Pure substance—homogenous
© 2015 Pearson Education, Inc.
Which of the following is NOT a chemical property?
A.
B.
C.
D.
E.
The density of a liquid
The ability of iron to rust
Flammability of gasoline
Reactivity of acids with metals
All of these are chemical properties.
© 2015 Pearson Education, Inc.
Which of the following is NOT a chemical property?
A.
B.
C.
D.
E.
The density of a liquid
The ability of iron to rust
Flammability of gasoline
Reactivity of acids with metals
All of these are chemical properties.
© 2015 Pearson Education, Inc.
Which of the following is a physical change?
A. Burning butane
B. Barbequing a steak
C. Decomposing water into hydrogen
and oxygen gases
D. Breaking a piece of glass
E. Baking a cake
© 2015 Pearson Education, Inc.
Which of the following is a physical change?
A. Burning butane
B. Barbequing a steak
C. Decomposing water into hydrogen
and oxygen gases
D. Breaking a piece of glass
E. Baking a cake
© 2015 Pearson Education, Inc.
Which of the following statements is FALSE?
A. The freezing of water is a physical change.
B. The conversion of compounds into elements is a
physical change.
C. Combining sodium metal and chlorine gas to form
sodium chloride is a chemical change.
D. Photosynthesis is an example of a chemical change.
E. Distilling alcohol from water is a physical change.
© 2015 Pearson Education, Inc.
Which of the following statements is FALSE?
A. The freezing of water is a physical change.
B. The conversion of compounds into elements is a
physical change.
C. Combining sodium metal and chlorine gas to form
sodium chloride is a chemical change.
D. Photosynthesis is an example of a chemical change.
E. Distilling alcohol from water is a physical change.
© 2015 Pearson Education, Inc.
A solution is a(n)
A.
B.
C.
D.
E.
element.
compound.
homogenous mixture.
heterogeneous mixture.
pure substance.
© 2015 Pearson Education, Inc.
A solution is a(n)
A.
B.
C.
D.
E.
element.
compound.
homogenous mixture.
heterogeneous mixture.
pure substance.
© 2015 Pearson Education, Inc.
When a sample of wood is burned, the mass of the
reactants is 100. grams. If 15.0 g of ash is one product,
what is the mass of the other products?
A.
B.
C.
D.
E.
115 g
100. g
85 g
15.0 g
1.0 g
© 2015 Pearson Education, Inc.
When a sample of wood is burned, the mass of the
reactants is 100. grams. If 15.0 g of ash is one product,
what is the mass of the other products?
A.
B.
C.
D.
E.
115 g
100. g
85 g
15.0 g
1.0 g
© 2015 Pearson Education, Inc.
Which of the following possess(es) kinetic energy?
A.
B.
C.
D.
E.
A ball falling through the air
A dart thrown at a dart board
A ball rolling down a slide
An arrow flying through the air
All of the above
© 2015 Pearson Education, Inc.
Which of the following possess(es) kinetic energy?
A.
B.
C.
D.
E.
A ball falling through the air
A dart thrown at a dart board
A ball rolling down a slide
An arrow flying through the air
All of the above
© 2015 Pearson Education, Inc.
How many kJ of energy are in a fast food hamburger
containing 560. Calories? (Note: 1 cal = 4.184 J)
A.
B.
C.
D.
E.
2.34 kJ
5.60 kJ
2.34 × 103 kJ
2.34 × 106 kJ
5.60 × 103 kJ
© 2015 Pearson Education, Inc.
How many kJ of energy are in a fast food hamburger
containing 560. Calories? (Note: 1 cal = 4.184 J)
A.
B.
C.
D.
E.
2.34 kJ
5.60 kJ
2.34 × 103 kJ
2.34 × 106 kJ
5.60 × 103 kJ
© 2015 Pearson Education, Inc.
Convert 95.0 kWh to Calories.
(Note: 1 cal = 4.184 J; 1 kWh = 3.60 × 106 J)
A.
B.
C.
D.
E.
8.17 × 103 Cal
8.17 × 104 Cal
8.17 × 107 Cal
1.43 × 107 Cal
1.43 × 109 Cal
© 2015 Pearson Education, Inc.
Convert 95.0 kWh to Calories.
(Note: 1 cal = 4.184 J; 1 kWh = 3.60 × 106 J)
A.
B.
C.
D.
E.
8.17 × 103 Cal
8.17 × 104 Cal
8.17 × 107 Cal
1.43 × 107 Cal
1.43 × 109 Cal
© 2015 Pearson Education, Inc.
Convert 42 °C to °F and express the answer to the
correct number of significant figures.
A.
B.
C.
D.
E.
42 oF
107 oF
107.6 oF
108 oF
315 oF
© 2015 Pearson Education, Inc.
Convert 42 °C to °F and express the answer to the
correct number of significant figures.
A.
B.
C.
D.
E.
42 oF
107 oF
107.6 oF
108 oF
315 oF
© 2015 Pearson Education, Inc.
Convert 97 °C to K and express the answer to the
correct number of significant figures.
A.
B.
C.
D.
E.
369 K
370 K
397 K
–176 K
No answer listed
is correct.
© 2015 Pearson Education, Inc.
Convert 97 °C to K and express the answer to the
correct number of significant figures.
A.
B.
C.
D.
E.
369 K
370 K
397 K
–176 K
No answer listed
is correct.
© 2015 Pearson Education, Inc.
Convert 233 K to °F.
A.
B.
C.
D.
E.
–40. °F
–40 °F
40. °F
233 °F
943 °F
© 2015 Pearson Education, Inc.
Convert 233 K to °F.
A.
B.
C.
D.
E.
–40. °F
–40 °F
40. °F
233 °F
943 °F
© 2015 Pearson Education, Inc.
Which of the following temperatures is not possible?
A.
B.
C.
D.
E.
1001 K
1001 °C
1K
–401 °C
–401 °F
© 2015 Pearson Education, Inc.
Which of the following temperatures is not possible?
A.
B.
C.
D.
E.
1001 K
1001 °C
1K
–401 °C
–401 °F
© 2015 Pearson Education, Inc.
How many joules are required to raise the temperature of
1.074 g of iron from 25.1 °C to 100.0 °C?
(The specific heat of iron is 0.449 J/g • °C.)
A.
B.
C.
D.
E.
36.1 J
–36.1 J
0.036 J
–0.036 J
0.449 J
© 2015 Pearson Education, Inc.
How many joules are required to raise the temperature of
1.074 g of iron from 25.1 °C to 100.0 °C?
(The specific heat of iron is 0.449 J/g • °C.)
A.
B.
C.
D.
E.
36.1 J
–36.1 J
0.036 J
–0.036 J
0.449 J
© 2015 Pearson Education, Inc.
A 0.250 kg bar of aluminum at 23.8 °C has 15.5 KJ of heat
added. What is the final temperature of the aluminum?
(The specific heat of aluminum is 0.903 J/g • °C.)
A.
B.
C.
D.
E.
23.8 °C
83.0 °C
92.5 °C
68.7 °C
44.9 °C
© 2015 Pearson Education, Inc.
A 0.250 kg bar of aluminum at 23.8 °C has 15.5 KJ of heat
added. What is the final temperature of the aluminum?
(The specific heat of aluminum is 0.903 J/g • °C.)
A.
B.
C.
D.
E.
23.8 °C
83.0 °C
92.5 °C
68.7 °C
44.9 °C
© 2015 Pearson Education, Inc.
What is the mass (in kg) of gold that increases in temperature
by 45.1 °C when 6.034 Cal of heat are added? (The specific
heat of gold is 0.128 J/g • °C and 1 cal = 4.184 J.)
A.
B.
C.
D.
E.
1.05 × 103 kg
4.37 × 103 kg
1.05 kg
4.37 kg
6.03 kg
© 2015 Pearson Education, Inc.
What is the mass (in kg) of gold that increases in temperature
by 45.1 °C when 6.034 Cal of heat are added? (The specific
heat of gold is 0.128 J/g • °C and 1 cal = 4.184 J.)
A.
B.
C.
D.
E.
1.05 × 103 kg
4.37 × 103 kg
1.05 kg
4.37 kg
6.03 kg
© 2015 Pearson Education, Inc.
Matter can be defined as
A.
B.
C.
D.
E.
a substance that cannot be broken down any further.
anything that has mass and occupies space.
a substance composed of two or more elements.
a homogeneous mixture.
None of the above
© 2015 Pearson Education, Inc.
Matter can be defined as
A.
B.
C.
D.
E.
a substance that cannot be broken down any further.
anything that has mass and occupies space.
a substance composed of two or more elements.
a homogeneous mixture.
None of the above
© 2015 Pearson Education, Inc.
Which of the following is true of exothermic reactions?
A.
B.
C.
D.
E.
The reactants possess greater energy than the products.
Energy is released as the reaction occurs.
Energy is absorbed as the reaction occurs.
Both a and b are true.
Both a and c are true.
© 2015 Pearson Education, Inc.
Which of the following is true of exothermic reactions?
A.
B.
C.
D.
E.
The reactants possess greater energy than the products.
Energy is released as the reaction occurs.
Energy is absorbed as the reaction occurs.
Both a and b are true.
Both a and c are true.
© 2015 Pearson Education, Inc.
Which of the following changes is endothermic?
A.
B.
C.
D.
E.
Water evaporates.
Water freezes.
Butane gas burns.
Steam condenses.
None of the above
© 2015 Pearson Education, Inc.
Which of the following changes is endothermic?
A.
B.
C.
D.
E.
Water evaporates.
Water freezes.
Butane gas burns.
Steam condenses.
None of the above
© 2015 Pearson Education, Inc.
Using the following information, indicate which of the choices
below is correct:
The temperature of iron increases more quickly than water
when it is heated.
A.
B.
C.
D.
E.
Iron has a greater heat capacity than water.
Water has a greater heat capacity than iron.
Iron and water have the same heat capacity.
The boiling point of water is greater than that of iron.
None of the above
© 2015 Pearson Education, Inc.
Using the following information, indicate which of the choices
below is correct:
The temperature of iron increases more quickly than water
when it is heated.
A.
B.
C.
D.
E.
Iron has a greater heat capacity than water.
Water has a greater heat capacity than iron.
Iron and water have the same heat capacity.
The boiling point of water is greater than that of iron.
None of the above
© 2015 Pearson Education, Inc.
Which of the following is a chemical change?
A.
B.
C.
D.
E.
Sugar is dissolved in water.
Copper metal is rolled into wire.
Ice melts.
All of the above
None of the above
© 2015 Pearson Education, Inc.
Which of the following is a chemical change?
A.
B.
C.
D.
E.
Sugar is dissolved in water.
Copper metal is rolled into wire.
Ice melts.
All of the above
None of the above
© 2015 Pearson Education, Inc.