Question 1

Write out the steps that show how sulfur in coal is converted to sulfuric acid in acid rain.

Accepted Answer

S(s)+ O₂(g)$\to$SO₂(g) SO₂(g)+ OH(g)$\to$HOSO₂(g) HOSO₂(g)+ O₂ $\to$ HO₂(g)+ SO₃(g) SO₃(g)+ H₂O(l)$\to$ H₂SO₄(aq)

Question 2

Ozone is formed in the atmosphere by the combination of oxygen molecules with

Accepted Answer

A) chlorofluorocarbons 
B) hydrocarbons 
C) oxygen atoms 
D) CO2 
E) ClO 
A) chlorofluorocarbons 
B) hydrocarbons 
C) oxygen atoms 
D) CO2 
E) ClO C

Question 3

Name four "greenhouse gases" besides carbon dioxide.

Accepted Answer

methane, nitrous oxide, CFCs, water vapor (answers will vary)

Question 4

Which one of the following reactions is an example of nitrogen fixation?

Accepted Answer

A) N2O5(g)$\to$ NO3(g)+ NO2(g) 
B) N2(g)+ O2(g)$\to$  2NO(g) 
C) 3NO2(g)+ H2O(l)$\to$  2HNO3(aq)+ NO(g) 
D) 2NO(g)+ O2(g)$\to$ 2NO2(g) 
E) 2NH3(g)$\to$  3H2(aq)+ N2(g) 
A) N2O5(g)$\to$ NO3(g)+ NO2(g) 
B) N2(g)+ O2(g)$\to$  2NO(g) 
C) 3NO2(g)+ H2O(l)$\to$  2HNO3(aq)+ NO(g) 
D) 2NO(g)+ O2(g)$\to$ 2NO2(g) 
E) 2NH3(g)$\to$  3H2(aq)+ N2(g)

Question 5

Acid rain is precipitation having a pH that is

Accepted Answer

A) above 7. 
B) below 5.5. 
C) below 7. 
D) above 8.6. 
E) above 10. 
A) above 7. 
B) below 5.5. 
C) below 7. 
D) above 8.6. 
E) above 10.

Question 6

The compound CFCl3 is used as a/an

Accepted Answer

A) enzyme 
B) anesthetic 
C) gaseous fuel 
D) coolant 
E) CFC replacement 
A) enzyme 
B) anesthetic 
C) gaseous fuel 
D) coolant 
E) CFC replacement

Question 7

Peroxyacetyl nitrate, called PAN for short, is a powerful lachrymator. A lachrymator is

Accepted Answer

A) a greenhouse gas. 
B) a product of incomplete combustion. 
C) an agent that induces drowsiness. 
D) a cancer causing agent. 
E) a tear producer. 
A) a greenhouse gas. 
B) a product of incomplete combustion. 
C) an agent that induces drowsiness. 
D) a cancer causing agent. 
E) a tear producer.

Question 8

The most prevalent noble gas in our atmosphere is

Accepted Answer

A) helium. 
B) neon. 
C) argon. 
D) krypton. 
E) xenon. 
A) helium. 
B) neon. 
C) argon. 
D) krypton. 
E) xenon.

Question 9

The first "hole" in the ozone layer was found over which continent?

Accepted Answer

A) North America 
B) South America 
C) Australia 
D) Antarctica 
E) Asia 
A) North America 
B) South America 
C) Australia 
D) Antarctica 
E) Asia

Question 10

An unusual atmospheric reaction leading to ozone distruction is CF3O + O3 $\to$ CF3O2 + O2, the analysis of which has yielded an Arrhenius frequency factor (A)and activation energy of 2.0 $\times$ 10-12 cm3 molecule-1 s-1 and 11.6 kJ/mol, respectively. Calculate the rate constant for this reaction at an altitude of 35 km, where the temperature is -34°C.

Accepted Answer

A) 2.0 $\times$ 10-12 M-1 s-1 
B) 1.2 $\times$ 109 M-1 s-1 
C) 3.5 $\times$ 106 M-1 s-1 
D) 7.9 $\times$ 10-15 M-1 s-1 
E) 6.8 $\times$ 108 M-1 s-1 
A) 2.0 $\times$ 10-12 M-1 s-1 
B) 1.2 $\times$ 109 M-1 s-1 
C) 3.5 $\times$ 106 M-1 s-1 
D) 7.9 $\times$ 10-15 M-1 s-1 
E) 6.8 $\times$ 108 M-1 s-1

Question 11

In order for a gas to be a "greenhouse gas" it must

Accepted Answer

A) transmit visible light and absorb infrared radiation. 
B) be radioactive. 
C) transmit infrared light and absorb visible light. 
D) be combustible. 
E) absorb both visible light and infrared radiation. 
A) transmit visible light and absorb infrared radiation. 
B) be radioactive. 
C) transmit infrared light and absorb visible light. 
D) be combustible. 
E) absorb both visible light and infrared radiation.

Question 12

Which one of the following can function as a greenhouse gas?

Accepted Answer

A) Ar 
B) H2 
C) N2 
D) O2 
E) NO 
A) Ar 
B) H2 
C) N2 
D) O2 
E) NO

Question 13

Which of the following cannot be plausibly linked to the destruction of the ozone layer?

Accepted Answer

A) Damage to crops. 
B) Increased number of skin cancer cases. 
C) Genetic mutations. 
D) Increasing global CO2 concentrations. 
A) Damage to crops. 
B) Increased number of skin cancer cases. 
C) Genetic mutations. 
D) Increasing global CO2 concentrations.

Question 14

Which one of the following indoor air pollutants has adverse health effects because it is radioactive?

Accepted Answer

A) formaldehyde 
B) carbon monoxide 
C) carbon dioxide 
D) radon 
A) formaldehyde 
B) carbon monoxide 
C) carbon dioxide 
D) radon

Question 15

List three primary pollutants removed from automobile exhaust by catalytic converters.

Accepted Answer

CO, NO, un

Question 16

Which region of the atmosphere contains the ozone layer?

Accepted Answer

A) thermosphere 
B) mesosphere 
C) stratosphere 
D) troposphere 
A) thermosphere 
B) mesosphere 
C) stratosphere 
D) troposphere

Question 17

Which one of the following would slow the rate of increase of atmospheric CO2?

Accepted Answer

A) Building and operating more coal-fired power plants. 
B) More use of catalytic converters in cars to produce complete combustion. 
C) Use of hydrogen fuel produced using solar or nuclear energy. 
D) Conversion of nuclear power plants to methane-burning power plants. 
E) Clearing and burning the tropical rain forests. 
A) Building and operating more coal-fired power plants. 
B) More use of catalytic converters in cars to produce complete combustion. 
C) Use of hydrogen fuel produced using solar or nuclear energy. 
D) Conversion of nuclear power plants to methane-burning power plants. 
E) Clearing and burning the tropical rain forests.

Question 18

Heat is radiated from Earth to space predominately in the form of:

Accepted Answer

A) infrared radiation. 
B) radioactivity. 
C) visible light. 
D) solar flares. 
E) UV radiation. 
A) infrared radiation. 
B) radioactivity. 
C) visible light. 
D) solar flares. 
E) UV radiation.

Question 19

Which one of the following is not a greenhouse gas?

Accepted Answer

A) H2O 
B) O2 
C) CO2 
D) CH4 
E) CFCs 
A) H2O 
B) O2 
C) CO2 
D) CH4 
E) CFCs

Question 20

An increase in the amount of particulate matter (dust and smoke)in the atmosphere may result in cooler world temperatures because

Accepted Answer

A) more sunlight is absorbed by Earth. 
B) more infrared radiation is emitted into space. 
C) the dust reflects solar radiation. 
D) dust reacts with ozone in an exothermic reaction. 
A) more sunlight is absorbed by Earth. 
B) more infrared radiation is emitted into space. 
C) the dust reflects solar radiation. 
D) dust reacts with ozone in an exothermic reaction.

Exam 17: Chemistry in the Atmosphere

Write out the steps that show how sulfur in coal is converted to sulfuric acid in acid rain.

Ozone is formed in the atmosphere by the combination of oxygen molecules with

Name four "greenhouse gases" besides carbon dioxide.

Which one of the following reactions is an example of nitrogen fixation?

Acid rain is precipitation having a pH that is

The compound CFCl3 is used as a/an

Peroxyacetyl nitrate, called PAN for short, is a powerful lachrymator. A lachrymator is

The most prevalent noble gas in our atmosphere is

The first "hole" in the ozone layer was found over which continent?

In order for a gas to be a "greenhouse gas" it must

Which one of the following can function as a greenhouse gas?

Which of the following cannot be plausibly linked to the destruction of the ozone layer?

Which one of the following indoor air pollutants has adverse health effects because it is radioactive?

List three primary pollutants removed from automobile exhaust by catalytic converters.

Which region of the atmosphere contains the ozone layer?

Which one of the following would slow the rate of increase of atmospheric CO2?

Heat is radiated from Earth to space predominately in the form of:

Which one of the following is not a greenhouse gas?

An increase in the amount of particulate matter (dust and smoke)in the atmosphere may result in cooler world temperatures because

Chemistry: The Study of Change

Atoms, Molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solution

Gases

Thermo-Chemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy, Free Energy, and Equilibrium

Electrochemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Nuclear Chemistry

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

The compound CFCl₃ is used as a/an

Which one of the following would slow the rate of increase of atmospheric CO₂?