Question 1

Why are scientists worried about the ozone hole?

Accepted Answer

A)  increase in skin cancer 
B)  increase in plant growth 
C)  decrease in ocean temperature 
D)  all of the above 
A)  increase in skin cancer 
B)  increase in plant growth 
C)  decrease in ocean temperature 
D)  all of the above

Question 2

Which of the following explains why CFCs are not removed from the atmosphere by rainout?

Accepted Answer

A)  CFCs are not water soluble. 
B)  CRCs are chemically inactive in the troposphere. 
C)  UV radiation removes them more quickly. 
D)  This is due to both their chemical stability and solubility in water. 
A)  CFCs are not water soluble. 
B)  CRCs are chemically inactive in the troposphere. 
C)  UV radiation removes them more quickly. 
D)  This is due to both their chemical stability and solubility in water.

Question 3

What does one Dobson unit (DU) equal?

Accepted Answer

A)  1 ppb of ozone 
B)  1 ppm of ozone 
C)  100 ppb of ozone 
D)  100 ppm of ozone 
A)  1 ppb of ozone 
B)  1 ppm of ozone 
C)  100 ppb of ozone 
D)  100 ppm of ozone

Question 4

Light with a wavelength of 350 nm is classified as UV-A.

Accepted Answer

A) True 
 B)False

Question 5

Approximately how many ozone molecules can one chlorine atom derived from one CFC molecule react with?

Accepted Answer

A)  1 molecule O3 
B)  100 molecules O3 
C)  1000 molecules O3 
D)  100000 molecules O3 
A)  1 molecule O3 
B)  100 molecules O3 
C)  1000 molecules O3 
D)  100000 molecules O3

Question 6

What continent is the ozone hole located over?

Accepted Answer

A)  Africa 
B)  Antarctica 
C)  Asia 
D)  North America 
A)  Africa 
B)  Antarctica 
C)  Asia 
D)  North America

Question 7

Ozone-depleting substances typically contain which of the following elements?

Accepted Answer

A)  oxygen 
B)  sulfur 
C)  nitrogen 
D)  chlorine 
A)  oxygen 
B)  sulfur 
C)  nitrogen 
D)  chlorine

Question 8

Which type of chemical bond requires the least amount of energy to break?

Accepted Answer

A)  single 
B)  double 
C)  triple 
D)  quadruple 
A)  single 
B)  double 
C)  triple 
D)  quadruple

Question 9

What does the Chapman cycle illustrate?

Accepted Answer

A)  the formation and destruction of water 
B)  the formation and destruction of carbon dioxide 
C)  the formation and destruction of nitrogen dioxide 
D)  the formation and destruction of ozone 
A)  the formation and destruction of water 
B)  the formation and destruction of carbon dioxide 
C)  the formation and destruction of nitrogen dioxide 
D)  the formation and destruction of ozone

Why are scientists worried about the ozone hole?

Which of the following explains why CFCs are not removed from the atmosphere by rainout?

What does one Dobson unit (DU) equal?

Light with a wavelength of 350 nm is classified as UV-A.

Approximately how many ozone molecules can one chlorine atom derived from one CFC molecule react with?

What continent is the ozone hole located over?

Ozone-depleting substances typically contain which of the following elements?

Which type of chemical bond requires the least amount of energy to break?

What does the Chapman cycle illustrate?

Living in a World of Chemistry

The Chemical View of Matter

Atoms and the Periodic Table

The Air We Breathe

Chemical Bonding and States of Matter

Carbon Dioxide and the Greenhouse Effect

Chemical Reactivity: Chemicals in Action

Acid-Base Reactions

Oxidation-Reduction Reactions

Water, Water Everywhere but Not a Drop to Drink

Energy and Hydrocarbons

Nuclear Changes and Nuclear Power

Organic Chemicals and Polymers

The Chemistry of Life

Nutrition: the Basis of Healthy Living

Chemistry and Medicine

The Chemistry of Useful Materials

Feeding the World

Filters

Exam 7: Chlorofluorocarbons and the Ozone Layer

Why are scientists worried about the ozone hole?

Which of the following explains why CFCs are not removed from the atmosphere by rainout?

What does one Dobson unit (DU) equal?

Light with a wavelength of 350 nm is classified as UV-A.

Approximately how many ozone molecules can one chlorine atom derived from one CFC molecule react with?

What continent is the ozone hole located over?

Ozone-depleting substances typically contain which of the following elements?

Which type of chemical bond requires the least amount of energy to break?

What does the Chapman cycle illustrate?

Living in a World of Chemistry

The Chemical View of Matter

Atoms and the Periodic Table

The Air We Breathe

Chemical Bonding and States of Matter

Carbon Dioxide and the Greenhouse Effect

Chemical Reactivity: Chemicals in Action

Acid-Base Reactions

Oxidation-Reduction Reactions

Water, Water Everywhere but Not a Drop to Drink

Energy and Hydrocarbons

Nuclear Changes and Nuclear Power

Organic Chemicals and Polymers

The Chemistry of Life

Nutrition: the Basis of Healthy Living

Chemistry and Medicine

The Chemistry of Useful Materials

Feeding the World

Filters