Which of the following would NOT help reduce the amount of CO2 introduced into the atmosphere

A) Improving energy efficiency in automobiles B) Use of nuclear energy C) Recover methane gas generated at landfills D) Preservation of the Amazon jungle E) Converting forests to farmland for crops and grassland for cattle A) Improving energy efficiency in automobiles B) Use of nuclear energy C) Recover methane gas generated at landfills D) Preservation of the Amazon jungle E) Converting forests to farmland for crops and grassland for cattle

An unusual atmospheric reaction leading to ozone destruction is CF3O + O3 $\rarr$ CF3O2 + O2, the analysis of which has yielded an Arrhenius frequency factor (A) and activation energy of 2.0 * 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$\circ$C.

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

Exam 20: Chemistry in the Atmosphere

Which of the following reactions associated with nitrogen fixation by lightening is a disproportionation reaction I. N₂(g) + O₂(g) $\rarr$ 2NO(g) II. 2NO(g) + O₂(g) $\rarr$ 2NO₂(g) III. 2NO₂(g) + H₂O(l) $\rarr$ HNO₂(aq) + HNO₃(aq)

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Question 1

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Which statement about ozone and the ozone layer is true

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Question 2

Correct Answer:

Verified

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

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(Multiple Choice)

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Question 3

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Verified

Of the following which one, if any, is not one of the primary pollutants removed from automobile exhaust by catalytic converters.

(Multiple Choice)

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Question 4

Shown here are the four steps that show how sulfur in coal is converted to sulfuric acid in acid rain. Which step, if any, shows an unbalanced equation

(Multiple Choice)

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Question 5

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

(Multiple Choice)

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Question 6

Which one of the following is not a greenhouse gas

(Multiple Choice)

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Question 7

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 + O₂ Cl + O₃ $\rarr$ ClO + O₂ ClO + O $\rarr$ Cl + O₂

(Multiple Choice)

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Question 8

Which of the following would NOT help reduce the amount of CO₂ introduced into the atmosphere

(Multiple Choice)

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Question 9

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 + O₂ Cl + O₃ $\rarr$ ClO + O₂ ClO + O $\rarr$ Cl + O₂

(Multiple Choice)

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Question 10

Which region of the atmosphere contains the ozone layer

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Question 11

The steps in the mechanism of ozone destruction by chlorine atoms is shown here: Cl₂(g) + O₃(g) $\rarr$ 2ClO(g) + O₂(g) ClO(g) + O(g) $\rarr$ O₂(g) + Cl(g)

(True/False)

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Question 12

A possible reaction leading to removal of ClO from the atmosphere is 2ClO $\rarr$ Cl₂ + O₂. Studies of this reaction have yielded an Arrhenius frequency factor (A) and activation energy of 1.0 * 10^-12 cm³ molecule^-1 s^-1 and 13.2 kJ/mol, respectively. Calculate the rate constant for the disappearance of ClO at -30^$\circ$C.

(Multiple Choice)

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Question 13

An unusual atmospheric reaction leading to ozone destruction is CF₃O + O₃ $\rarr$ CF₃O₂ + O₂, the analysis of which has yielded an Arrhenius frequency factor (A) and activation energy of 2.0 * 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^$\circ$C.

(Multiple Choice)

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Question 14

List the following greenhouse gases in order of their overall magnitude of contribution to global warming: N₂O, CFCs, CO₂, CH₄.

(Multiple Choice)

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Question 15

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

(Multiple Choice)

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Question 16

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

(Multiple Choice)

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Question 17

The steps in the reaction scheme for nitrogen fixation by lightening are as follow: N₂(g) + O₂(g) $\underrightarrow{\text { lightening }}$ 2NO(g) 2NO(g) + O₂(g) $\rarr$ 2NO₂(g) 2NO₂(g) + H₂O(l) $\rarr$ HNO₂(aq) + HNO₃(aq)

(True/False)

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Question 18

Select all of the following that are capable of destroying stratospheric ozone through chemical means I. CF₂Cl₂ II. NO III. CO₂

(Multiple Choice)

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Question 19

The ozone layer in the atmosphere protects animals and plants from

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Question 20

Showing 1 - 20 of 50

Exam 20: Chemistry in the Atmosphere

Which of the following reactions associated with nitrogen fixation by lightening is a disproportionation reaction I. N2(g) + O2(g) →\rarr→ 2NO(g) II. 2NO(g) + O2(g) →\rarr→ 2NO2(g) III. 2NO2(g) + H2O(l) →\rarr→ HNO2(aq) + HNO3(aq)

Which statement about ozone and the ozone layer is true

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

Of the following which one, if any, is not one of the primary pollutants removed from automobile exhaust by catalytic converters.

Shown here are the four steps that show how sulfur in coal is converted to sulfuric acid in acid rain. Which step, if any, shows an unbalanced equation

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

Which one of the following is not a greenhouse gas

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 + O2 Cl + O3 →\rarr→ ClO + O2 ClO + O →\rarr→ Cl + O2

Which of the following would NOT help reduce the amount of CO2 introduced into the atmosphere

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 + O2 Cl + O3 →\rarr→ ClO + O2 ClO + O →\rarr→ Cl + O2

Which region of the atmosphere contains the ozone layer

The steps in the mechanism of ozone destruction by chlorine atoms is shown here: Cl2(g) + O3(g) →\rarr→ 2ClO(g) + O2(g) ClO(g) + O(g) →\rarr→ O2(g) + Cl(g)

List the following greenhouse gases in order of their overall magnitude of contribution to global warming: N2O, CFCs, CO2, CH4.

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

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

The steps in the reaction scheme for nitrogen fixation by lightening are as follow: N2(g) + O2(g) lightening →\underrightarrow{~~~~\text { lightening }~~~~} lightening ​ 2NO(g) 2NO(g) + O2(g) →\rarr→ 2NO2(g) 2NO2(g) + H2O(l) →\rarr→ HNO2(aq) + HNO3(aq)

Select all of the following that are capable of destroying stratospheric ozone through chemical means I. CF2Cl2 II. NO III. CO2

The ozone layer in the atmosphere protects animals and plants from

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Which of the following reactions associated with nitrogen fixation by lightening is a disproportionation reaction I. N₂(g) + O₂(g) $\rarr$ 2NO(g) II. 2NO(g) + O₂(g) $\rarr$ 2NO₂(g) III. 2NO₂(g) + H₂O(l) $\rarr$ HNO₂(aq) + HNO₃(aq)

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 + O₂ Cl + O₃ $\rarr$ ClO + O₂ ClO + O $\rarr$ Cl + O₂

Which of the following would NOT help reduce the amount of CO₂ introduced into the atmosphere

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 + O₂ Cl + O₃ $\rarr$ ClO + O₂ ClO + O $\rarr$ Cl + O₂

The steps in the mechanism of ozone destruction by chlorine atoms is shown here: Cl₂(g) + O₃(g) $\rarr$ 2ClO(g) + O₂(g) ClO(g) + O(g) $\rarr$ O₂(g) + Cl(g)

List the following greenhouse gases in order of their overall magnitude of contribution to global warming: N₂O, CFCs, CO₂, CH₄.

The steps in the reaction scheme for nitrogen fixation by lightening are as follow: N₂(g) + O₂(g) $\underrightarrow{\text { lightening }}$ 2NO(g) 2NO(g) + O₂(g) $\rarr$ 2NO₂(g) 2NO₂(g) + H₂O(l) $\rarr$ HNO₂(aq) + HNO₃(aq)

Select all of the following that are capable of destroying stratospheric ozone through chemical means I. CF₂Cl₂ II. NO III. CO₂