Question 1

Fuels are ________ forms of matter.

Accepted Answer

A) oxidized 
B) reduced 
C) acidic 
D) basic 
A) oxidized 
B) reduced 
C) acidic 
D) basic

Question 2

In 2010,approximately 60% of the natural gas in the United States was produced by the hydraulic fracturing (fracking)method.

Accepted Answer

A) True 
 B)False

Question 3

Burning one mole of propane according to the following reaction:
C₃H₈(g)+ 5 O₂(g)→ 3 CO₂ + 4 H₂O
Liberates 526 kcal of energy.If all of the coefficients are tripled,how much energy will be released?

Accepted Answer

A) 526 kcal 
B) 1052 kcal 
C) 1578 kcal 
D) 175.3 kcal 
A) 526 kcal 
B) 1052 kcal 
C) 1578 kcal 
D) 175.3 kcal

Question 4

The petroleum fraction that has the lowest boiling point is

Accepted Answer

A) gasoline. 
B) kerosene. 
C) heating oil. 
D) natural gas. 
A) gasoline. 
B) kerosene. 
C) heating oil. 
D) natural gas.

Question 5

You cannot make a bomb from reactor grade uranium because it

Accepted Answer

A) is not radioactive enough. 
B) is too well guarded. 
C) would explode prematurely. 
D) is not enriched enough in uranium-235. 
A) is not radioactive enough. 
B) is too well guarded. 
C) would explode prematurely. 
D) is not enriched enough in uranium-235.

Question 6

The basic process for converting coal to a synthetic gaseous fuel involves

Accepted Answer

A) the hydrogenation of carbon. 
B) the reduction of carbon by hydrogen. 
C) the oxidation of carbon. 
D) the reduction of carbon by oxygen. 
A) the hydrogenation of carbon. 
B) the reduction of carbon by hydrogen. 
C) the oxidation of carbon. 
D) the reduction of carbon by oxygen.

Question 7

Which one of the following is a nonfuel?

Accepted Answer

A) H₂ 
B) CCl₄ 
C) CH₄ 
D) C₈H₁₈ 
A) H₂ 
B) CCl₄ 
C) CH₄ 
D) C₈H₁₈

Question 8

Chemical reactions that release heat to the surroundings are endothermic reactions.

Accepted Answer

A) True 
 B)False

Question 9

What are two advantages and two disadvantages of nuclear power?

Accepted Answer

Two advantages of nuclear power are its

Question 10

The SI unit of energy is the

Accepted Answer

A) joule. 
B) calorie. 
C) gram. 
D) watt. 
A) joule. 
B) calorie. 
C) gram. 
D) watt.

Question 11

Which of the following did NOT contribute significantly to the conversion of plant material to coal?

Accepted Answer

A) There was sufficient oxygen for the cellulose in the plant materials to decay completely. 
B) The plant material was buried under mud and water, separating it from the atmosphere. 
C) The plant material was subjected to significant pressure. 
D) The plant material broke down and small molecules containing a lot of hydrogen and oxygen were given off. 
A) There was sufficient oxygen for the cellulose in the plant materials to decay completely. 
B) The plant material was buried under mud and water, separating it from the atmosphere. 
C) The plant material was subjected to significant pressure. 
D) The plant material broke down and small molecules containing a lot of hydrogen and oxygen were given off.

Question 12

Most of the coal that exists today was formed ________ years ago.

Accepted Answer

A) 100 
B) 1000 
C) 1 million 
D) over 300 million 
A) 100 
B) 1000 
C) 1 million 
D) over 300 million

Question 13

Discuss the use of biomass as an energy source.Give two examples.

Accepted Answer

Biomass is a renewable energy source tha

Question 14

Approximately what percentage of solar radiation is used to power the water cycle?

Accepted Answer

A) 10% 
B) 23% 
C) 30% 
D) 70% 
A) 10% 
B) 23% 
C) 30% 
D) 70%

Question 15

Used oil from fast food restaurants can be used in making biodiesel fuel.

Accepted Answer

A) True 
 B)False

Question 16

Nuclear power plants generate large amounts of air pollution.

Accepted Answer

A) True 
 B)False

Question 17

Nuclear fusion is the source of energy that powers the sun.

Accepted Answer

A) True 
 B)False

Question 18

EROEI stands for Energy Return on Energy Invested.

Accepted Answer

A) True 
 B)False

Question 19

An advantage of natural gas as a fuel is that it is

Accepted Answer

A) more abundant than coal. 
B) easy to locate and extract. 
C) the cleanest of the fossil fuels. 
D) the product is carbon and water. 
A) more abundant than coal. 
B) easy to locate and extract. 
C) the cleanest of the fossil fuels. 
D) the product is carbon and water.

Question 20

Geothermal energy cannot meet all of our energy needs because

Accepted Answer

A) the earth is not hot enough. 
B) access to geothermal energy is limited to certain regions. 
C) geothermal energy is intermittent. 
D) geothermal sources do not have enough energy to generate electricity. 
A) the earth is not hot enough. 
B) access to geothermal energy is limited to certain regions. 
C) geothermal energy is intermittent. 
D) geothermal sources do not have enough energy to generate electricity.

Exam 15: Energy

Fuels are ________ forms of matter.

In 2010,approximately 60% of the natural gas in the United States was produced by the hydraulic fracturing (fracking)method.

Burning one mole of propane according to the following reaction: C₃H₈(g)+ 5 O₂(g)→ 3 CO₂ + 4 H₂O Liberates 526 kcal of energy.If all of the coefficients are tripled,how much energy will be released?

The petroleum fraction that has the lowest boiling point is

You cannot make a bomb from reactor grade uranium because it

The basic process for converting coal to a synthetic gaseous fuel involves

Which one of the following is a nonfuel?

Chemical reactions that release heat to the surroundings are endothermic reactions.

What are two advantages and two disadvantages of nuclear power?

The SI unit of energy is the

Which of the following did NOT contribute significantly to the conversion of plant material to coal?

Most of the coal that exists today was formed ________ years ago.

Discuss the use of biomass as an energy source.Give two examples.

Approximately what percentage of solar radiation is used to power the water cycle?

Used oil from fast food restaurants can be used in making biodiesel fuel.

Nuclear power plants generate large amounts of air pollution.

Nuclear fusion is the source of energy that powers the sun.

EROEI stands for Energy Return on Energy Invested.

An advantage of natural gas as a fuel is that it is

Geothermal energy cannot meet all of our energy needs because

Chemistry

Atoms

Atomic Structure

Chemical Bonds

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Chemistry of the Earth

Air

Water

Biochemistry

Food

Drugs

Fitness and Health

Chemistry Down on the Farm

Household Chemicals

Poisons

Filters