Question 1

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 2

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

Accepted Answer

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

Question 3

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 4

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 5

The mechanism for the decomposition of ozone in the presence of a reactive chlorine atom is shown below Which of the following species is an intermediate? 
O3 + (UV light)$\rarr$ O + $\rarr$2
 Cl + O3 $\rarr$ClO + O2
 ClO + O $\rarr$ Cl + O2

Accepted Answer

A) Cl 
B) ClO 
C) O3 
D) O2 
E) UV light 
A) Cl 
B) ClO 
C) O3 
D) O2 
E) UV light

Question 6

Name four "greenhouse gases" besides carbon dioxide.

Accepted Answer

methane, nitrous oxi

Question 7

Which of the following is a promising candidate as an alternative to using chlorofluorocarbons as a coolant?

Accepted Answer

A) CCl2F2 
B) CClF3 
C) CFCl3 
D) CH2FCF3 
E) C3H8 
A) CCl2F2 
B) CClF3 
C) CFCl3 
D) CH2FCF3 
E) C3H8

Question 8

The mechanism for the decomposition of ozone in the presence of a reactive chlorine atom is shown below.Which species functions as a catalyst? 
O3 + (UV light)$\rarr$O + $\rarr$2
 Cl + O3 $\rarr$ ClO + O2
 ClO + O $\rarr$ Cl + O2

Accepted Answer

A) O 
B) Cl 
C) ClO 
D) CFCl3 
E) O2 
A) O 
B) Cl 
C) ClO 
D) CFCl3 
E) O2

Question 9

Write out the reaction that shows how the acidic oxide N2O5 combines with water to generate nitric acid leading to acid rain.

Accepted Answer

N₂O₅(g)+ H₂O(

Question 10

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.

Question 11

The ozone layer in the atmosphere protects animals and plants from

Accepted Answer

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

Question 12

Acid rain is precipitation having a pH that is

Accepted Answer

A) above 7.0 
B) below 5.5 
C) below 7.0 
D) above 8.6 
E) above 10.0 
A) above 7.0 
B) below 5.5 
C) below 7.0 
D) above 8.6 
E) above 10.0

Question 13

The CO2 content of Earth's atmosphere is approximately

Accepted Answer

A) 4% 
B) 0.4% 
C) 0.04% (400 ppm) 
D) 40 ppm 
E) 4 ppm 
A) 4% 
B) 0.4% 
C) 0.04% (400 ppm) 
D) 40 ppm 
E) 4 ppm

Question 14

The average person breathes about 20 m3 of air a day.What mass of particulates would a person breathe in a day if the particulate level were 400 micrograms per cubic meter?

Accepted Answer

Question 15

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

Accepted Answer

CO, NO, un

Question 16

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 17

Acid rain is less of a threat to lakes and streams in areas where the bedrock is limestone (CaCO3).Which of the following represents a balanced equation for the neutralization of acid by limestone?

Accepted Answer

A) CaCO3 + 2OH- $\rarr$ Ca(OH)2 + CO2 
B) CaCO3 + 2H3O+ $\rarr$ Ca2+ + CO2 + 3H2O 
C) CaCO3 + H2O $\rarr$ Ca + H2CO3 
D) CaCO3 + OH- $\rarr$ Ca2+ + CO2 + H2O 
E) CaCO3 + 2H3O+ $\rarr$ Ca2+ + CO2 + 2H2O 
A) CaCO3 + 2OH- $\rarr$ Ca(OH)2 + CO2 
B) CaCO3 + 2H3O+ $\rarr$ Ca2+ + CO2 + 3H2O 
C) CaCO3 + H2O $\rarr$ Ca + H2CO3 
D) CaCO3 + OH- $\rarr$ Ca2+ + CO2 + H2O 
E) CaCO3 + 2H3O+ $\rarr$ Ca2+ + CO2 + 2H2O

Question 18

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

Accepted Answer

troposphere, stratos

Question 19

Which statement about ozone and the ozone layer is true?

Accepted Answer

A) Ozone is found in a band of almost pure ozone several kilometers thick encircling the Earth. 
B) The ozone in the ozone layer absorbs UV light between 200 and 300 nm. 
C) Ozone is a compound with the chemical formula CO2. 
D) In the Earth's atmosphere, ozone exists only in the ozone layer. 
E) Ozone is used as a coolant in refrigerators and air conditioners. 
A) Ozone is found in a band of almost pure ozone several kilometers thick encircling the Earth. 
B) The ozone in the ozone layer absorbs UV light between 200 and 300 nm. 
C) Ozone is a compound with the chemical formula CO2. 
D) In the Earth's atmosphere, ozone exists only in the ozone layer. 
E) Ozone is used as a coolant in refrigerators and air conditioners.

Question 20

Write the chemical equation for the reaction of acid rain with limestone rock.

Accepted Answer

CaCO₃ + 2H⁺

Exam 20: Chemistry in the Atmosphere

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

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

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

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

The mechanism for the decomposition of ozone in the presence of a reactive chlorine atom is shown below Which of the following species is an intermediate? O3 + (UV light) →\rarr→ O + →\rarr→ 2 Cl + O3 →\rarr→ ClO + O2 ClO + O →\rarr→ Cl + O2

Name four "greenhouse gases" besides carbon dioxide.

Which of the following is a promising candidate as an alternative to using chlorofluorocarbons as a coolant?

The mechanism for the decomposition of ozone in the presence of a reactive chlorine atom is shown below.Which species functions as a catalyst? O3 + (UV light) →\rarr→ O + →\rarr→ 2 Cl + O3 →\rarr→ ClO + O2 ClO + O →\rarr→ Cl + O2

Write out the reaction that shows how the acidic oxide N2O5 combines with water to generate nitric acid leading to acid rain.

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

The ozone layer in the atmosphere protects animals and plants from

Acid rain is precipitation having a pH that is

The CO2 content of Earth's atmosphere is approximately

The average person breathes about 20 m3 of air a day.What mass of particulates would a person breathe in a day if the particulate level were 400 micrograms per cubic meter?

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

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

Acid rain is less of a threat to lakes and streams in areas where the bedrock is limestone (CaCO3).Which of the following represents a balanced equation for the neutralization of acid by limestone?

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

Which statement about ozone and the ozone layer is true?

Write the chemical equation for the reaction of acid rain with limestone rock.

Chemistry: the Study of Change

Atoms, Molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

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

Nuclear Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

The mechanism for the decomposition of ozone in the presence of a reactive chlorine atom is shown below Which of the following species is an intermediate? O₃ + (UV light) $\rarr$ O + $\rarr$ ₂ Cl + O₃ $\rarr$ ClO + O₂ ClO + O $\rarr$ Cl + O₂

The mechanism for the decomposition of ozone in the presence of a reactive chlorine atom is shown below.Which species functions as a catalyst? O₃ + (UV light) $\rarr$ O + $\rarr$ ₂ Cl + O₃ $\rarr$ ClO + O₂ ClO + O $\rarr$ Cl + O₂

Write out the reaction that shows how the acidic oxide N₂O₅ combines with water to generate nitric acid leading to acid rain.

The CO₂ content of Earth's atmosphere is approximately

The average person breathes about 20 m³ of air a day.What mass of particulates would a person breathe in a day if the particulate level were 400 micrograms per cubic meter?

Acid rain is less of a threat to lakes and streams in areas where the bedrock is limestone (CaCO₃).Which of the following represents a balanced equation for the neutralization of acid by limestone?