Question 1

In general,a higher proportion of branched chain hydrocarbons in a gasoline formulation

Accepted Answer

A) increases octane rating. 
B) decreases octane rating. 
C) burns cleaner. 
D) burns cooler. 
A) increases octane rating. 
B) decreases octane rating. 
C) burns cleaner. 
D) burns cooler.

Question 2

Pesticides are made from petroleum.

Accepted Answer

A) True 
 B)False

Question 3

One of the major difficulties in developing nuclear fusion as a possible source of continuous energy is that temperatures of ________ are needed to initiate fusion reactions.

Accepted Answer

A) 0 K 
B) 300°C 
C) 5000°C 
D) over 100,000,000°C 
A) 0 K 
B) 300°C 
C) 5000°C 
D) over 100,000,000°C

Question 4

Which of the following is NOT a fossil fuel?

Accepted Answer

A) coal 
B) natural gas 
C) petroleum 
D) wood 
A) coal 
B) natural gas 
C) petroleum 
D) wood

Question 5

The fact that a heat pump requires energy to move heat from a colder object (the outside of a house)to a hotter object (the inside of the house)is a real life observation of which thermodynamic law?

Accepted Answer

A) the first law 
B) the second law 
C) the third law 
D) the fourth law 
A) the first law 
B) the second law 
C) the third law 
D) the fourth law

Question 6

Consider the following EROEI values for different fuel processes.Which would result in the greatest increase in CO₂ emissions?

Accepted Answer

A) 17:1 
B) 35:1 
C) 5:1 
D) 2:1 
A) 17:1 
B) 35:1 
C) 5:1 
D) 2:1

Question 7

At present,what approximate percentage of electricity generated in the United States comes from nuclear energy?

Accepted Answer

A) 20% 
B) 30% 
C) 90% 
D) 75% 
A) 20% 
B) 30% 
C) 90% 
D) 75%

Question 8

The first fuels were plant materials.

Accepted Answer

A) True 
 B)False

Question 9

According to the first law of thermodynamics,energy can be converted from one form to another,but it can neither be created nor destroyed.

Accepted Answer

A) True 
 B)False

Question 10

The conversion of coal to gas results in the production of synthesis gas.Synthesis gas is a mixture of

Accepted Answer

A) C and H₂O. 
B) CH₄ and H₂O. 
C) CO and H₂. 
D) CH₄ and H₂. 
A) C and H₂O. 
B) CH₄ and H₂O. 
C) CO and H₂. 
D) CH₄ and H₂.

Question 11

When coal is burned,mineral impurities are converted to

Accepted Answer

A) sulfur dioxide gas that goes up the smokestack. 
B) carbon dioxide and water. 
C) metal oxide solids that remain behind as ash. 
D) All of the above are products of burning coal. 
A) sulfur dioxide gas that goes up the smokestack. 
B) carbon dioxide and water. 
C) metal oxide solids that remain behind as ash. 
D) All of the above are products of burning coal.

Question 12

Which of the following petroleum fractions has the highest boiling point?

Accepted Answer

A) fuel oil 
B) gasoline 
C) heating oil 
D) lubricants 
A) fuel oil 
B) gasoline 
C) heating oil 
D) lubricants

Question 13

Burning 1.00 mol of methane to form carbon dioxide and water produces 192 kcal of energy.How much energy is produced when 5.00 mol of methane is burned?

Accepted Answer

The answer of Burning 1.00 mol of methane to form...

Question 14

The density of coal is higher than the density of most of its impurities.

Accepted Answer

A) True 
 B)False

Question 15

During past three decades,American industry has reduced its consumption of energy per product by nearly

Accepted Answer

A) 5%. 
B) 15%. 
C) 30%. 
D) 50%. 
A) 5%. 
B) 15%. 
C) 30%. 
D) 50%.

Question 16

Liquefaction of coal produces a fuel that

Accepted Answer

A) increases the energy content of the coal. 
B) is more conveniently transported. 
C) contains less hydrogen than coal. 
D) is mainly methanol. 
A) increases the energy content of the coal. 
B) is more conveniently transported. 
C) contains less hydrogen than coal. 
D) is mainly methanol.

Question 17

The main components of petroleum are

Accepted Answer

A) hydrocarbons. 
B) carbohydrates. 
C) fats and oils. 
D) ionic compounds. 
A) hydrocarbons. 
B) carbohydrates. 
C) fats and oils. 
D) ionic compounds.

Question 18

Recycling of plastics is an example of the fact that ________ (decreasing/increasing)entropy is a(n)________ process.

Accepted Answer

decreasing

Question 19

The first fuel was

Accepted Answer

A) coal. 
B) petroleum. 
C) blubber. 
D) wood. 
A) coal. 
B) petroleum. 
C) blubber. 
D) wood.

Question 20

Which problem do all power plants have in common?

Accepted Answer

A) excess capacity 
B) release of radioactivity 
C) sulfur dioxide emission 
D) thermal pollution 
A) excess capacity 
B) release of radioactivity 
C) sulfur dioxide emission 
D) thermal pollution

Exam 15: Energy

In general,a higher proportion of branched chain hydrocarbons in a gasoline formulation

Pesticides are made from petroleum.

One of the major difficulties in developing nuclear fusion as a possible source of continuous energy is that temperatures of ________ are needed to initiate fusion reactions.

Which of the following is NOT a fossil fuel?

The fact that a heat pump requires energy to move heat from a colder object (the outside of a house)to a hotter object (the inside of the house)is a real life observation of which thermodynamic law?

Consider the following EROEI values for different fuel processes.Which would result in the greatest increase in CO₂ emissions?

At present,what approximate percentage of electricity generated in the United States comes from nuclear energy?

The first fuels were plant materials.

According to the first law of thermodynamics,energy can be converted from one form to another,but it can neither be created nor destroyed.

The conversion of coal to gas results in the production of synthesis gas.Synthesis gas is a mixture of

When coal is burned,mineral impurities are converted to

Which of the following petroleum fractions has the highest boiling point?

Burning 1.00 mol of methane to form carbon dioxide and water produces 192 kcal of energy.How much energy is produced when 5.00 mol of methane is burned?

The density of coal is higher than the density of most of its impurities.

During past three decades,American industry has reduced its consumption of energy per product by nearly

Liquefaction of coal produces a fuel that

The main components of petroleum are

Recycling of plastics is an example of the fact that ________ (decreasing/increasing)entropy is a(n)________ process.

The first fuel was

Which problem do all power plants have in common?

Chemistry

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Recycling of plastics is an example of the fact that (decreasing/increasing)entropy is a(n) process.