Question 1

Which one of the following is a unit for power?

Accepted Answer

A) joule 
B) calorie 
C) watt 
D) meter 
E) torr 
A) joule 
B) calorie 
C) watt 
D) meter 
E) torr C

Question 2

What are the two main elements found in all fossil fuels?

Accepted Answer

A) phosphorus and sulfur 
B) oxygen and nitrogen 
C) carbon and hydrogen 
D) silicon and aluminum 
E) carbon and oxygen 
A) phosphorus and sulfur 
B) oxygen and nitrogen 
C) carbon and hydrogen 
D) silicon and aluminum 
E) carbon and oxygen C

Question 3

A car's power is usually expressed in which of the following units?

Accepted Answer

A) joules 
B) calories 
C) watts 
D) horsepower 
E) grams 
A) joules 
B) calories 
C) watts 
D) horsepower 
E) grams D

Question 4

The earth has been getting noticeably warmer since

Accepted Answer

A) the 1980s. 
B) the 1890s. 
C) the 1950s. 
D) 400,000 years ago. 
E) 1 million years ago. 
A) the 1980s. 
B) the 1890s. 
C) the 1950s. 
D) 400,000 years ago. 
E) 1 million years ago.

Question 5

If humans did not use fossil fuels, there would be no greenhouse effect.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following molecules would not be considered a hydrocarbon?

Accepted Answer

A) C6H6 
B) C2H5OH 
C) CH4 
D) C6H14 
A) C6H6 
B) C2H5OH 
C) CH4 
D) C6H14

Question 7

In a fractionation column, hydrocarbons with the ______ boiling point will move the _________ in the fractionating column.

Accepted Answer

A) lowest; highest 
B) highest; lowest 
C) lowest; lowest 
D) highest; highest 
A) lowest; highest 
B) highest; lowest 
C) lowest; lowest 
D) highest; highest

Question 8

Which of the following is a greenhouse gas?

Accepted Answer

A) nitrogen 
B) carbon dioxide 
C) oxygen 
D) helium 
A) nitrogen 
B) carbon dioxide 
C) oxygen 
D) helium

Question 9

The introduction to Chapter 12 discussed floor tiles at the Simon Langton Grammar School.How is power supplied to the floor tiles at this school in England?

Accepted Answer

A) Wires under the floor power them. 
B) Friction from footfalls on the tiles is converted to electricity. 
C) Each tile comes equipped with a small battery 
D) The tiles are connected by a special interlocking system.When one tile is disturbed, it transmits small vibrations to all the other tiles, causing them to light up. 
A) Wires under the floor power them. 
B) Friction from footfalls on the tiles is converted to electricity. 
C) Each tile comes equipped with a small battery 
D) The tiles are connected by a special interlocking system.When one tile is disturbed, it transmits small vibrations to all the other tiles, causing them to light up.

Question 10

Since a water wheel that turns at a faster rate produces more energy than one that turns at a slow rate, we can say that power and energy are equivalent.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following states receives the most peak sun hours per day?

Accepted Answer

A) Colorado 
B) Florida 
C) Alaska 
D) Virginia 
E) Arizona 
A) Colorado 
B) Florida 
C) Alaska 
D) Virginia 
E) Arizona

Question 12

A half reaction refers to

Accepted Answer

A) half of a chemical reaction, either the reactants or the products. 
B) a reaction that produces half the normal amount of product. 
C) either oxidation or reduction in a REDOX reaction. 
D) a reaction that is half as fast as a standard reaction. 
E) any of the above 
A) half of a chemical reaction, either the reactants or the products. 
B) a reaction that produces half the normal amount of product. 
C) either oxidation or reduction in a REDOX reaction. 
D) a reaction that is half as fast as a standard reaction. 
E) any of the above

Question 13

In addition to a hydrocarbon, what substance must be present in a combustion reaction?

Accepted Answer

A) nitrogen 
B) carbon dioxide 
C) water 
D) oxygen 
E) all of the above 
A) nitrogen 
B) carbon dioxide 
C) water 
D) oxygen 
E) all of the above

Question 14

Which of the following molecules would boil at the lowest temperature?

Accepted Answer

A) C8H18 
B) C2H6 
C) C4H10 
D) C16H34 
E) C10H22 
A) C8H18 
B) C2H6 
C) C4H10 
D) C16H34 
E) C10H22

Question 15

The products of photosynthesis are:

Accepted Answer

A) Carbon dioxide and water 
B) Glucose and oxygen 
C) Methane and other hydrocarbons 
D) Water and cellulose 
E) None of these 
A) Carbon dioxide and water 
B) Glucose and oxygen 
C) Methane and other hydrocarbons 
D) Water and cellulose 
E) None of these

Question 16

The flow of electrons in a fuel cell produces

Accepted Answer

A) water. 
B) an electric current. 
C) light energy. 
D) a cathode. 
E) none of the above 
A) water. 
B) an electric current. 
C) light energy. 
D) a cathode. 
E) none of the above

Question 17

Which of the following is a fossil fuel?

Accepted Answer

A) wood 
B) nuclear energy 
C) solar energy 
D) petroleum 
A) wood 
B) nuclear energy 
C) solar energy 
D) petroleum

Question 18

When you eat a meal and then go out for a bike ride, this is an example of which of the following types of energy conversion?

Accepted Answer

A) solar energy being converted to food energy 
B) chemical (food)energy being converted into mechanical energy 
C) electrical energy being converted to mechanical energy 
D) mechanical energy being converted to heat energy 
E) heat energy being converted to electrical energy 
A) solar energy being converted to food energy 
B) chemical (food)energy being converted into mechanical energy 
C) electrical energy being converted to mechanical energy 
D) mechanical energy being converted to heat energy 
E) heat energy being converted to electrical energy

Question 19

It is easy to recognize a REDOX reaction because it always has electrons written as part of the reaction.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following sources of energy showed the greatest increase from 1900 to 2012?

Accepted Answer

A) coal 
B) solar energy 
C) wind energy 
D) hydroelectric energy 
E) petroleum 
A) coal 
B) solar energy 
C) wind energy 
D) hydroelectric energy 
E) petroleum

Which one of the following is a unit for power?

What are the two main elements found in all fossil fuels?

A car's power is usually expressed in which of the following units?

The earth has been getting noticeably warmer since

If humans did not use fossil fuels, there would be no greenhouse effect.

Which of the following molecules would not be considered a hydrocarbon?

In a fractionation column, hydrocarbons with the boiling point will move the ___ in the fractionating column.

Which of the following is a greenhouse gas?

The introduction to Chapter 12 discussed floor tiles at the Simon Langton Grammar School.How is power supplied to the floor tiles at this school in England?

Since a water wheel that turns at a faster rate produces more energy than one that turns at a slow rate, we can say that power and energy are equivalent.

Which of the following states receives the most peak sun hours per day?

A half reaction refers to

In addition to a hydrocarbon, what substance must be present in a combustion reaction?

Which of the following molecules would boil at the lowest temperature?

The products of photosynthesis are:

The flow of electrons in a fuel cell produces

Which of the following is a fossil fuel?

When you eat a meal and then go out for a bike ride, this is an example of which of the following types of energy conversion?

It is easy to recognize a REDOX reaction because it always has electrons written as part of the reaction.

Which of the following sources of energy showed the greatest increase from 1900 to 2012?

The Story of Chemistry the Scientific Method Think, Measure, Rethink

Atoms All About Atoms and Whats Inside Them

Everything the Ways We Organize and Classify Matter

Bonds an Introduction to the Forces Within Substances

Carbon Elemental Carbon, Organic Molecules, and Carbon Footprints

Air a Study of the Gases in Our Atmosphere

Chemical Reactions How We Keep Track of Chemical Changes

Water Why Water Is Critical for Human Beings and the Planet

Salts and Aqueous Solutions the Nature of Salts and How They Interact With Water

Ph and Acid Rain Acid Rain and Our Environment

Nukes the Fundamentals of Nuclear Chemistry

Sustainability and Recycling Finding Better Ways to Use and Reuse Our Resources

Food the Biochemistry of the Foods We Eat

Filters

Exam 12: Energy, Power, and Climate Change the Fundamentals of Nuclear Chemistry

Which one of the following is a unit for power?

What are the two main elements found in all fossil fuels?

A car's power is usually expressed in which of the following units?

The earth has been getting noticeably warmer since

If humans did not use fossil fuels, there would be no greenhouse effect.

Which of the following molecules would not be considered a hydrocarbon?

In a fractionation column, hydrocarbons with the ______ boiling point will move the _________ in the fractionating column.

Which of the following is a greenhouse gas?

The introduction to Chapter 12 discussed floor tiles at the Simon Langton Grammar School.How is power supplied to the floor tiles at this school in England?

Since a water wheel that turns at a faster rate produces more energy than one that turns at a slow rate, we can say that power and energy are equivalent.

Which of the following states receives the most peak sun hours per day?

A half reaction refers to

In addition to a hydrocarbon, what substance must be present in a combustion reaction?

Which of the following molecules would boil at the lowest temperature?

The products of photosynthesis are:

The flow of electrons in a fuel cell produces

Which of the following is a fossil fuel?

When you eat a meal and then go out for a bike ride, this is an example of which of the following types of energy conversion?

It is easy to recognize a REDOX reaction because it always has electrons written as part of the reaction.

Which of the following sources of energy showed the greatest increase from 1900 to 2012?

The Story of Chemistry the Scientific Method Think, Measure, Rethink

Atoms All About Atoms and Whats Inside Them

Everything the Ways We Organize and Classify Matter

Bonds an Introduction to the Forces Within Substances

Carbon Elemental Carbon, Organic Molecules, and Carbon Footprints

Air a Study of the Gases in Our Atmosphere

Chemical Reactions How We Keep Track of Chemical Changes

Water Why Water Is Critical for Human Beings and the Planet

Salts and Aqueous Solutions the Nature of Salts and How They Interact With Water

Ph and Acid Rain Acid Rain and Our Environment

Nukes the Fundamentals of Nuclear Chemistry

Sustainability and Recycling Finding Better Ways to Use and Reuse Our Resources

Food the Biochemistry of the Foods We Eat

Filters

In a fractionation column, hydrocarbons with the boiling point will move the ___ in the fractionating column.