Question 1

Which one of these species exists as a diatomic element at room temperature?

Accepted Answer

A)   Na
B)   N
C)   B
D)   Ar
E)   PF) C) and D)
G) A) and B)

Question 2

Name four regions of the atmosphere in order of increasing altitude.

Accepted Answer

troposphere, stratos...

Question 3

Carbon dioxide absorbs heat from Earth by

Accepted Answer

A)   dissociating into O2 and carbon atoms.
B)   converting the heat into more rapid translational motion.
C)   absorbing an infrared photon that causes it to be vibrationally excited.
D)   rotating more rapidly.E) All of the above
F) B) and C)

Question 4

What is the name given to SO2 in the troposphere that is oxidized to H2SO4 in the form of aerosol which ends up in wet precipitation?

Accepted Answer

A)   sulfonation
B)   saphonication
C)   troposheric oxidation
D)   acid rain
E)   atmoshpheric leproayF) A) and B)
G) A) and C)

Question 5

What is the meaning of an asterisk beside an atom or molecule?

Accepted Answer

A)   It means the atom or molecule is degenerate.
B)   It means the atom or molecule is very reactive.
C)   It means the atom or molecule is in a low energy state.
D)   It means the atom or molecule has collided with another atom or molecule.
E)   It means the atom or molecule is in an excited state.F) A) and E)
G) A) and D)

Question 6

Another term used for the thermosphere is which of the following?

Accepted Answer

A)   Earth's crust
B)   mesosphere
C)   ionosphere
D)   troposphere
E)   stratosphereF) D) and E)
G) C) and E)

Question 7

Ozone in the stratosphere protects animals and plants from

Accepted Answer

A)   infrared radiation.
B)   acid rain.
C)   visible sunlight.
D)   radioactivity.
E)   ultraviolet rays.F) B) and E)
G) C) and D)

Question 8

Which of these industrial chemicals is produced in the greatest amount annually?

Accepted Answer

A)   HNO3
B)   H3PO4
C)   H2
D)   H2SO4
E)   HClO3F) C) and D)
G) A) and D)

Question 9

Which of the following are common indoor pollutants?

Accepted Answer

A)   radon
B)   carbon dioxide
C)   carbon monoxide
D)   formaldehyde
E)   All of the choices are correct.F) A) and C)
G) B) and E)

Question 10

What is the layer of the atmosphere called where the concentration of ozone and other gases is low and the temperature decreases with increasing altitude?

Accepted Answer

A)   outer atmosphere
B)   mesosphere
C)   thermosphere
D)   troposphere
E)   stratosphereF) A) and B)
G) A) and C)

Question 11

What mass of solid CaO is needed to remove the sulfur dioxide from 1.0 × 106 m3 of air having an SO2 concentration of 1.5 × 10-9 M? Assume that the reaction leading to removal of the sulfur dioxide is CaO(s)  + SO2(g)  → CaCO3(s) .

Accepted Answer

A)   56 g
B)   96 g
C)   37 g
D)   84 g
E)   43 gF) B) and D)
G) B) and C)

Question 12

There is more argon in the air at sea level than there is CO2.

Accepted Answer

A) True 
 B)False

Question 13

When does death occur from carbon monoxide poisoning?

Accepted Answer

A)   When all the hemoglobin molecules in the blood complex with CO.
B)   When about one fourth of the hemoglobin molecules in the blood complex with CO.
C)   When about three fourths of the hemoglobin molecules in the blood complex with CO.
D)   When about ten percent of the hemoglobin molecules in the blood complex with CO.
E)   When about half the hemoglobin molecules in the blood complex with CO.F) B) and C)
G) A) and E)

Question 14

How many different ways can a water molecule vibrate?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   millionsF) A) and B)
G) B) and E)

Question 15

What are the secondary pollutants from automobile exhaust?

Accepted Answer

The answer of What are the secondary pollutants from automobile...

Question 16

What describes the trapping of heat near Earth's surface by gases (CO2)  in the atmosphere?

Accepted Answer

A)   restricted air flow
B)   flux
C)   heat trap
D)   greenhouse effect
E)   gasificationF) A) and E)
G) B) and D)

Question 17

Which of the following is not a source of CO2?

Accepted Answer

A)   fermentation of sugar
B)   oxidation of carbohydrates
C)   decomposition of carbonates by heat or acid
D)   photosynthesisE) B) and C)
F) A) and D)

Question 18

Which of these substances is being considered as a replacement fuel for gasoline?

Accepted Answer

A)   D2O
B)   H2
C)   NO2
D)   F2
E)   HeF) D) and E)
G) B) and D)

Question 19

The major contributor to the greenhouse effect is H2S.

Accepted Answer

A) True 
 B)False

Question 20

What is the name given to the violent eruptions on the surface of the sun resulting in the ejection of myriad electrons and protons into space?

Accepted Answer

A)   solar vulcanizations
B)   solar lighting
C)   stellar explosions
D)   solar explosions
E)   solar flaresF) None of the above
G) D) and E)

Exam 21: Environmental Chemistry

What mass of solid CaO is needed to remove the sulfur dioxide from 1.0 × 106 m3 of air having an SO2 concentration of 1.5 × 10-9 M? Assume that the reaction leading to removal of the sulfur dioxide is CaO(s) + SO2(g) → CaCO3(s) .

Correct AnswerverifiedShow Answer

What are the secondary pollutants from automobile exhaust?

Correct AnswerverifiedShow Answer

Which of the following are common indoor pollutants?

Correct AnswerverifiedShow Answer

What describes the trapping of heat near Earth's surface by gases (CO2) in the atmosphere?

Correct AnswerverifiedShow Answer

What is the layer of the atmosphere called where the concentration of ozone and other gases is low and the temperature decreases with increasing altitude?

Correct AnswerverifiedShow Answer

Which of these substances is being considered as a replacement fuel for gasoline?

Correct AnswerverifiedShow Answer

What is the meaning of an asterisk beside an atom or molecule?

Correct AnswerverifiedShow Answer

The major contributor to the greenhouse effect is H2S.

Correct AnswerverifiedShow Answer

Ozone in the stratosphere protects animals and plants from

Correct AnswerverifiedShow Answer

Another term used for the thermosphere is which of the following?

Correct AnswerverifiedShow Answer

Carbon dioxide absorbs heat from Earth by

Correct AnswerverifiedShow Answer

Which of the following is not a source of CO2?

Correct AnswerverifiedShow Answer

What is the name given to the violent eruptions on the surface of the sun resulting in the ejection of myriad electrons and protons into space?

Correct AnswerverifiedShow Answer

Which of these industrial chemicals is produced in the greatest amount annually?

Correct AnswerverifiedShow Answer

Name four regions of the atmosphere in order of increasing altitude.

Correct Answerverifiedtroposphere, stratos...View AnswerShow Answer

There is more argon in the air at sea level than there is CO2.

Correct AnswerverifiedShow Answer

Which one of these species exists as a diatomic element at room temperature?

Correct AnswerverifiedShow Answer

When does death occur from carbon monoxide poisoning?

Correct AnswerverifiedShow Answer

How many different ways can a water molecule vibrate?

Correct AnswerverifiedShow Answer

What is the name given to SO2 in the troposphere that is oxidized to H2SO4 in the form of aerosol which ends up in wet precipitation?

Correct AnswerverifiedShow Answer

What mass of solid CaO is needed to remove the sulfur dioxide from 1.0 × 10⁶ m³ of air having an SO₂ concentration of 1.5 × 10^-9 M? Assume that the reaction leading to removal of the sulfur dioxide is CaO(s) + SO₂(g) → CaCO₃(s) .

Correct Answer
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What describes the trapping of heat near Earth's surface by gases (CO₂) in the atmosphere?

Correct Answer
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Correct Answer
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Correct Answer
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The major contributor to the greenhouse effect is H₂S.

Correct Answer
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Correct Answer
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Which of the following is not a source of CO₂?

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troposphere, stratos...
View Answer

There is more argon in the air at sea level than there is CO₂.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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What is the name given to SO₂ in the troposphere that is oxidized to H₂SO₄ in the form of aerosol which ends up in wet precipitation?

Correct Answer
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