Question 1

________ were introduced into western Europe in the Middle Ages.

Accepted Answer

A)  Waterwheels
B)  Windmills
C)  Automobile engines
D)  Solar panelsE) A) and C)
F) All of the above

Question 2

Burning 1.000 mol of methane in oxygen to form carbon dioxide and water produces 803 kJ of energy.How much energy is produced when 4.000 mol of methane is burned?

Accepted Answer

A)  358.0 kJ
B)  1606 kJ
C)  1205 kJ
D)  3212 kJE) None of the above
F) A) and B)

Question 3

To make crude petroleum more useful,it must be

Accepted Answer

A)  distilled.
B)  filtered.
C)  reduced.
D)  washed with water.E) A) and B)
F) All of the above

Question 4

Photovoltaic cells convert

Accepted Answer

A)  solar energy into chemical energy.
B)  solar energy into mechanical energy.
C)  solar energy into electrical energy.
D)  solar energy into heat energy.E) B) and C)
F) B) and D)

Question 5

Fuels are ________ forms of matter.The energy content of fuels is released by ________.

Accepted Answer

The answer of Fuels are ________ forms of matter.The energy...

Question 6

There are several factors that can cause a chemical reaction to proceed faster.One such factor is ________.

Accepted Answer

Any of these: increa...

Question 7

The use of gasoline is an endothermic reaction.

Accepted Answer

A) True 
 B)False

Question 8

Coal liquefaction and gasification have the advantage of producing gases and liquids that are easy to transport.

Accepted Answer

A) True 
 B)False

Question 9

Approximately what percentage of U.S.electricity is generated by the burning of coal?

Accepted Answer

A)  25%
B)  35%
C)  45%
D)  65%E) A) and B)
F) C) and D)

Question 10

When the ethane and propane components of natural gas are cracked,two new compounds are formed which are essential monomers used in making plastics.These substances are ________.

Accepted Answer

ethylene a...

Question 11

Catalytic reforming is a process for converting

Accepted Answer

A)  low octane rated alkanes into high octane rated aromatics.
B)  high octane rated alkanes into low octane rated aromatics.
C)  low octane rated alkanes into high octane rated branched alkanes.
D)  high octane rated alkanes into low octane rated branched alkanes.E) A) and D)
F) A) and C)

Question 12

What percentage of the electricity produced in the world today comes from nuclear fusion?

Accepted Answer

A)  0%
B)  30%
C)  50%
D)  75%E) A) and D)
F) B) and C)

Question 13

Anthracite has a higher carbon content than wood.

Accepted Answer

A) True 
 B)False

Question 14

Biomass does NOT produce

Accepted Answer

A)  asphalt.
B)  methane.
C)  ethanol.
D)  biodiesel.E) A) and C)
F) A) and B)

Question 15

Given the following analysis of coal samples,which is the best fuel?

Accepted Answer

A)  95% C, 5% O
B)  75% C, 25% O
C)  50% C, 50% O
D)  25% C, 75% OE) A) and C)
F) A) and B)

Question 16

The most energy efficient method for converting biomass into useful energy is to

Accepted Answer

A)  ferment sugars and starches from plants to form ethanol, which can be burned.
B)  distill wood in the absence of air to form methanol, which can be burned.
C)  use bacteria to break down plant material to produce methane.
D)  burn the plant material directly.E) B) and D)
F) None of the above

Question 17

Branched hydrocarbons have a higher octane rating than straight chain hydrocarbons do.

Accepted Answer

A) True 
 B)False

Question 18

The statement "you can't get something for nothing" is another way of expressing

Accepted Answer

A)  the first law of thermodynamics.
B)  the second law of thermodynamics.
C)  Boyle's law.
D)  the third law of thermodynamics.E) A) and B)
F) B) and C)

Question 19

Approximately what percentage of the energy used to support our current lifestyle comes from fossil fuels?

Accepted Answer

A)  50%
B)  35%
C)  15%
D)  over 85%E) A) and B)
F) All of the above

Question 20

Breeder reactors allow for the use of

Accepted Answer

A)  abundant and naturally occurring U-235 as a nuclear fuel.
B)  abundant and naturally occurring U-238 as a nuclear fuel.
C)  abundant and naturally occurring Pu-238 as a nuclear fuel.
D)  Breeder reactors allow for none of the above.E) B) and C)
F) A) and D)

Exam 15: Energy

The most energy efficient method for converting biomass into useful energy is to

Correct AnswerverifiedShow Answer

________ were introduced into western Europe in the Middle Ages.

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Anthracite has a higher carbon content than wood.

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Photovoltaic cells convert

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Approximately what percentage of the energy used to support our current lifestyle comes from fossil fuels?

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Given the following analysis of coal samples,which is the best fuel?

Correct AnswerverifiedShow Answer

Breeder reactors allow for the use of

Correct AnswerverifiedShow Answer

Biomass does NOT produce

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When the ethane and propane components of natural gas are cracked,two new compounds are formed which are essential monomers used in making plastics.These substances are ________.

Correct Answerverifiedethylene a...View AnswerShow Answer

The statement "you can't get something for nothing" is another way of expressing

Correct AnswerverifiedShow Answer

Branched hydrocarbons have a higher octane rating than straight chain hydrocarbons do.

Correct AnswerverifiedShow Answer

Burning 1.000 mol of methane in oxygen to form carbon dioxide and water produces 803 kJ of energy.How much energy is produced when 4.000 mol of methane is burned?

Correct AnswerverifiedShow Answer

There are several factors that can cause a chemical reaction to proceed faster.One such factor is ________.

Correct AnswerverifiedAny of these: increa...View AnswerShow Answer

Approximately what percentage of U.S.electricity is generated by the burning of coal?

Correct AnswerverifiedShow Answer

Fuels are ________ forms of matter.The energy content of fuels is released by ________.

Correct AnswerverifiedShow Answer

The use of gasoline is an endothermic reaction.

Correct AnswerverifiedShow Answer

What percentage of the electricity produced in the world today comes from nuclear fusion?

Correct AnswerverifiedShow Answer

Catalytic reforming is a process for converting

Correct AnswerverifiedShow Answer

To make crude petroleum more useful,it must be

Correct AnswerverifiedShow Answer

Coal liquefaction and gasification have the advantage of producing gases and liquids that are easy to transport.

Correct AnswerverifiedShow Answer

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ethylene a...
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Any of these: increa...
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Fuels are forms of matter.The energy content of fuels is released by .

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