Question 1

Excluding water vapor, list the four most prevalent gases in our atmosphere from most abundant to least abundant.

Accepted Answer

The answer of Excluding water vapor, list the four most...

Question 2

Write out the steps in the mechanism by which ozone is formed in the stratosphere.

Accepted Answer

O₂(g)+ hv...

Question 3

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

Accepted Answer

troposphere, stratos...

Question 4

One of the steps in the fixation of nitrogen by lightening is given below. 2NO2(g) + H2O(l)  →	o→   HNO2(aq) + HNO3(aq) 
In this reaction, is the element nitrogen oxidized or reduced?

Accepted Answer

A)  Nitrogen is oxidized in this reaction.
B)  Nitrogen is reduced in this reaction.
C)  Nitrogen is oxidized and reduced in this reaction.
D)  Nitrogen is neither oxidized nor reduced in this reaction. E) A) and B)
F) A) and C)

Question 5

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 6

Which choice lists two effects expected from the depletion of the ozone layer? 1) asthma 2) lung cancer 3) skin cancer 4) genetic mutations 5) emphysema

Accepted Answer

A)  1 and 5
B)  2 and 3
C)  3 and 5
D)  3 and 4
E)  4 and 5F) D) and E)
G) A) and E)

Question 7

What happens to nitrogen dioxide in sunlight? Write the reaction for this process.

Accepted Answer

It decompo...

Question 8

Write chemical equations that show what happens when acid rain reacts with limestone rock

Accepted Answer

CaCO₃ + 2...

Question 9

The rate constant of the reaction O + O3  →	o→   2O2 is 7.0  ×	imes×  105 M-1 s-1 at -40°C and 4.8  ×	imes×  106 M-1s-1 at 25°C. Calculate the activation energy of this reaction.

Accepted Answer

A)  2.0 kJ/mol
B)  17 kJ/mol
C)  1100 kJ/mol
D)  25.kJ/mol
E)  0.13 kJ/mol F) C) and E)
G) B) and D)

Question 10

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 ppmF) A) and D)
G) B) and E)

Question 11

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-  →	o→   Ca(OH) 2 + CO2
B)  CaCO3 + 2H3O+  →	o→   Ca2+ + CO2 + 3H2O
C)  CaCO3 + H2O  →	o→   Ca + H2CO3
D)  CaCO3 + OH-  →	o→   Ca2+ + CO2 + H2O
E)  CaCO3 + 2H3O+  →	o→   Ca2+ + CO2 + 2H2O F) A) and D)
G) A) and E)

Question 12

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.F) B) and C)
G) B) and D)

Question 13

A possible reaction leading to removal of ClO from the atmosphere is 2ClO  →	o→  Cl2 + O2.Studies of this reaction have yielded an Arrhenius frequency factor, A, and an activation energy of 1.0  ×	imes×  10-12 cm3 molecule-1 s-1 and 13.2 kJ/mol, respectively. Calculate the rate constant for the disappearance of ClO at -30°C.

Accepted Answer

A)  1.5  ×	imes×  10-15 M-1 s-1
B)  8.7  ×	imes×  105 M-1 s-1
C)  2.9  ×	imes×  10-15 M-1 s-1
D)  9.9  ×	imes×  10-13 M-1 s-1
E)  1.7  ×	imes×  106 M-1 s-1 F) A) and E)
G) All of the above

Question 14

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

Accepted Answer

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

Question 15

Write out the steps in the reaction scheme for nitrogen fixation by lightening.

Accepted Answer

N₂(g)+ O₂

Question 16

Write out the steps in the mechanism of ozone destruction by chlorine atoms.

Accepted Answer

Cl(g)+ O₃...

Question 17

The normal process occurring on Earth that warms its surface and the lower atmosphere is called

Accepted Answer

A)  photosynthesis.
B)  vaporization of water.
C)  incomplete combustion.
D)  the greenhouse effect.
E)  the ozone hole.F) A) and E)
G) C) and E)

Question 18

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 C)
G) D) and E)

Question 19

The rate constant of the reaction Cl + CHCl3  →	o→  HCl + CCl3 is 5.8  ×	imes×  107 M-1s-1 at 25°C and has an activation energy of 11.0 kJ/mol. Calculate the rate constant for this reaction in the lower stratosphere where the temperature is -57°C.

Accepted Answer

A)  1.1  ×	imes×  107 M-1 s-1
B)  4.2  ×	imes×  107 M-1 s-1
C)  4.9  ×	imes×  109 M-1 s-1
D)  9.5  ×	imes×  106 M-1 s-1
E)  2.7  ×	imes×  109 M-1 s-1 F) B) and C)
G) All of the above

Question 20

Which of the following is a catalyst in the destruction of ozone?

Accepted Answer

A)  ClO
B)  O3
C)  CF3Cl
D)  Cl
E)  O2F) None of the above
G) C) and D)

Exam 17: Chemistry in the Atmosphere

Which choice lists two effects expected from the depletion of the ozone layer? 1) asthma 2) lung cancer 3) skin cancer 4) genetic mutations 5) emphysema

Correct Answer
verified

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?

Correct Answer
verified

The CO₂ content of Earth's atmosphere is approximately

Correct Answer
verified

The normal process occurring on Earth that warms its surface and the lower atmosphere is called

Correct Answer
verified

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

Correct Answer
verified

The rate constant of the reaction Cl + CHCl₃ $\to$ HCl + CCl₃ is 5.8 $\times$ 10⁷ M^-1s^-1 at 25°C and has an activation energy of 11.0 kJ/mol. Calculate the rate constant for this reaction in the lower stratosphere where the temperature is -57°C.

Correct Answer
verified

Excluding water vapor, list the four most prevalent gases in our atmosphere from most abundant to least abundant.

Correct Answer
verified

Write chemical equations that show what happens when acid rain reacts with limestone rock

Correct Answer
verified
CaCO₃ + 2...
View Answer

Write out the steps in the mechanism by which ozone is formed in the stratosphere.

Correct Answer
verified
O₂(g)+ hv...
View Answer

Correct Answer
verified

The rate constant of the reaction O + O₃ $\to$ 2O₂ is 7.0 $\times$ 10⁵ M^-1 s^-1 at -40°C and 4.8 $\times$ 10⁶ M^-¹s^-1 at 25°C. Calculate the activation energy of this reaction.

Correct Answer
verified

Which of the following is a catalyst in the destruction of ozone?

Correct Answer
verified

Which statement about ozone and the ozone layer is true?

Correct Answer
verified

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

Correct Answer
verified
troposphere, stratos...
View Answer

Write out the steps in the mechanism of ozone destruction by chlorine atoms.

Correct Answer
verified
Cl(g)+ O₃...
View Answer

Write out the steps in the reaction scheme for nitrogen fixation by lightening.

Correct Answer
verified
N₂(g)+ O_{2View Answer}

Ozone in the stratosphere protects animals and plants from

Correct Answer
verified

What happens to nitrogen dioxide in sunlight? Write the reaction for this process.

Correct Answer
verified
It decompo...
View Answer

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?

Correct Answer
verified

One of the steps in the fixation of nitrogen by lightening is given below. 2NO₂(g) + H₂O(l) $\to$ HNO₂(aq) + HNO₃(aq) In this reaction, is the element nitrogen oxidized or reduced?

Correct Answer
verified

Exam 17: Chemistry in the Atmosphere

Which choice lists two effects expected from the depletion of the ozone layer? 1) asthma 2) lung cancer 3) skin cancer 4) genetic mutations 5) emphysema

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

The CO2 content of Earth's atmosphere is approximately

Correct AnswerverifiedShow Answer

The normal process occurring on Earth that warms its surface and the lower atmosphere is called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The rate constant of the reaction Cl + CHCl3 →\to→ HCl + CCl3 is 5.8 ×\times× 107 M-1s-1 at 25°C and has an activation energy of 11.0 kJ/mol. Calculate the rate constant for this reaction in the lower stratosphere where the temperature is -57°C.

Correct AnswerverifiedShow Answer

Excluding water vapor, list the four most prevalent gases in our atmosphere from most abundant to least abundant.

Correct AnswerverifiedShow Answer

Write chemical equations that show what happens when acid rain reacts with limestone rock

Correct AnswerverifiedCaCO3 + 2...View AnswerShow Answer

Write out the steps in the mechanism by which ozone is formed in the stratosphere.

Correct AnswerverifiedO2(g)+ hv...View AnswerShow Answer

Correct AnswerverifiedShow Answer

The rate constant of the reaction O + O3 →\to→ 2O2 is 7.0 ×\times× 105 M-1 s-1 at -40°C and 4.8 ×\times× 106 M-1s-1 at 25°C. Calculate the activation energy of this reaction.

Correct AnswerverifiedShow Answer

Which of the following is a catalyst in the destruction of ozone?

Correct AnswerverifiedShow Answer

Which statement about ozone and the ozone layer is true?

Correct AnswerverifiedShow Answer

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

Correct Answerverifiedtroposphere, stratos...View AnswerShow Answer

Write out the steps in the mechanism of ozone destruction by chlorine atoms.

Correct AnswerverifiedCl(g)+ O3...View AnswerShow Answer

Write out the steps in the reaction scheme for nitrogen fixation by lightening.

Correct AnswerverifiedN2(g)+ O2View AnswerShow Answer

Ozone in the stratosphere protects animals and plants from

Correct AnswerverifiedShow Answer

What happens to nitrogen dioxide in sunlight? Write the reaction for this process.

Correct AnswerverifiedIt decompo...View AnswerShow Answer

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?

Correct AnswerverifiedShow Answer

One of the steps in the fixation of nitrogen by lightening is given below. 2NO2(g) + H2O(l) →\to→ HNO2(aq) + HNO3(aq) In this reaction, is the element nitrogen oxidized or reduced?

Correct AnswerverifiedShow Answer

Correct Answer
verified

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?

Correct Answer
verified

The CO₂ content of Earth's atmosphere is approximately

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

The rate constant of the reaction Cl + CHCl₃ $\to$ HCl + CCl₃ is 5.8 $\times$ 10⁷ M^-1s^-1 at 25°C and has an activation energy of 11.0 kJ/mol. Calculate the rate constant for this reaction in the lower stratosphere where the temperature is -57°C.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
CaCO₃ + 2...
View Answer

Correct Answer
verified
O₂(g)+ hv...
View Answer

Correct Answer
verified

The rate constant of the reaction O + O₃ $\to$ 2O₂ is 7.0 $\times$ 10⁵ M^-1 s^-1 at -40°C and 4.8 $\times$ 10⁶ M^-¹s^-1 at 25°C. Calculate the activation energy of this reaction.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
troposphere, stratos...
View Answer

Correct Answer
verified
Cl(g)+ O₃...
View Answer

Correct Answer
verified
N₂(g)+ O_{2View Answer}

Correct Answer
verified

Correct Answer
verified
It decompo...
View Answer

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?

Correct Answer
verified

One of the steps in the fixation of nitrogen by lightening is given below. 2NO₂(g) + H₂O(l) $\to$ HNO₂(aq) + HNO₃(aq) In this reaction, is the element nitrogen oxidized or reduced?

Correct Answer
verified