Question 1

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

Accepted Answer

tropospher...

Question 2

What was responsible for the "orange glow" observed by astronauts on the outside surface of their space shuttle as they orbiting the Earth?

Accepted Answer

A)  O2 interacting with SO2 to form SO2* excited state molecules.
B)  An oxygen atom interacting with nitric oxide adsorbed on the shuttle's surface to form electronically excited nitrogen dioxide,NO2*.
C)  N2 interacting with CO2 to form CO2* excited state molecules.
D)  CO and CO2 interacting to form CO3* excited state molecules.
E)  Star dust from the stratosphere combining with upper atmospheric O2 gases.F) C) and E)
G) A) and B)

Question 3

The gases spewed into the atmosphere when a volcano erupts are N2,H2S,HCl,HF,CO2,and water vapor.

Accepted Answer

A) True 
 B)False

Question 4

Volcanoes

Accepted Answer

A)  produce about two-thirds of the sulfur in the air.
B)  are involved in the production of sulfuric acid "aerosols",which persist above the troposphere.
C)  produce localized areas of lower temperature.
D)  All of the.
E)  None of the.F) B) and D)
G) B) and E)

Question 5

What is the wavelength of a photon needed to dissociate an O3 molecule whose bond energy is 107.2 kJ/mol (h =6.63 × 10-34J s; c = 3.0 × 108m/s; and Avogadro's number = 6.022 × 1023 molecules/mole) ?

Accepted Answer

A)  9.0 × 105 nm
B)  894 nm
C)  1.12 × 106 nm
D)  9.0 × 10-4 nm
E)  1117 nmF) None of the above
G) D) and E)

Question 6

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) C) and D)
G) C) and E)

Question 7

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 D)
G) C) and E)

Question 8

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

Accepted Answer

A)  ClO
B)  O3
C)  CF3Cl
D)  Cl
E)  O2F) All of the above
G) A) and E)

Question 9

An unusual atmospheric reaction leading to ozone destruction is CF3O + O3 → 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°C.

Accepted Answer

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-1F) B) and D)
G) A) and C)

Question 10

What is the wavelength of a photon needed to dissociate an S2 molecule whose bond energy is 226 kJ/mol (h = 6.63 × 10-34J s; c = 3.0 × 108m/s; and Avogadro's number = 6.022 × 1023 molecules/mole) ?

Accepted Answer

A)  90 nm
B)  2.71 nm
C)  5.3 × 105 nm
D)  9.0 × 104 nm
E)  530 nmF) B) and E)
G) B) and C)

Question 11

Give two important reasons why there is so much more Na+ in the oceans than K+,despite their similar abundances in the Earth's crust.

Accepted Answer

Clays bind K⁺ more effectively ...

Question 12

The rate constant of the reaction O + O3 → 2O2 is 7.0 × 105 M-1 s-1 at -40°C and 4.8 × 106 M-1 s-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/molF) C) and D)
G) A) and E)

Question 13

The principal contributor to acid rain is
A.CO2.
B.SO2.
C.O3.
D.NO2.

Accepted Answer

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)  radonE) All of the above
F) A) and D)

Question 15

The major contributor to the greenhouse effect is H2S.

Accepted Answer

A) True 
 B)False

Question 16

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) All of the above
G) D) and E)

Question 17

Which of the following has not been blamed on 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 concentrationsE) B) and D)
F) B) and C)

Question 18

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

Question 19

What is the name given to the spectacular celestial light shown in the sky resulting from electrons and protons in space ejected from solar eruptions?

Accepted Answer

A)  auroras
B)  astral lights
C)  stellar explosions
D)  cosmic flares
E)  solar flareF) A) and B)
G) A) and C)

Question 20

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) B) and D)
G) C) and E)

Exam 21: Environmental Chemistry

What was responsible for the "orange glow" observed by astronauts on the outside surface of their space shuttle as they orbiting the Earth?

Correct Answer
verified

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

Correct Answer
verified

Give two important reasons why there is so much more Na⁺ in the oceans than K⁺,despite their similar abundances in the Earth's crust.

Correct Answer
verified
Clays bind K⁺ more effectively ...
View 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 Answer
verified

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

Correct Answer
verified
tropospher...
View Answer

Which of the following has not been blamed on the destruction of the ozone layer?

Correct Answer
verified

Correct Answer
verified

What is the wavelength of a photon needed to dissociate an S₂ molecule whose bond energy is 226 kJ/mol (h = 6.63 × 10^-34J s; c = 3.0 × 10⁸m/s; and Avogadro's number = 6.022 × 10²³molecules/mole) ?

Correct Answer
verified

What is the wavelength of a photon needed to dissociate an O₃ molecule whose bond energy is 107.2 kJ/mol (h =6.63 × 10^-34J s; c = 3.0 × 10⁸m/s; and Avogadro's number = 6.022 × 10²³ molecules/mole) ?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Volcanoes

Correct Answer
verified

The major contributor to the greenhouse effect is H₂S.

Correct Answer
verified

The principal contributor to acid rain is A.CO₂. B.SO₂. C.O₃. D.NO₂.

Correct Answer
verified

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

Correct Answer
verified

What is the name given to the spectacular celestial light shown in the sky resulting from electrons and protons in space ejected from solar eruptions?

Correct Answer
verified

The gases spewed into the atmosphere when a volcano erupts are N₂,H₂S,HCl,HF,CO₂,and water vapor.

Correct Answer
verified

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

Correct Answer
verified

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 Answer
verified

Exam 21: Environmental Chemistry

What was responsible for the "orange glow" observed by astronauts on the outside surface of their space shuttle as they orbiting the Earth?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Give two important reasons why there is so much more Na+ in the oceans than K+,despite their similar abundances in the Earth's crust.

Correct AnswerverifiedClays bind K+ more effectively ...View AnswerShow 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

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

Correct Answerverifiedtropospher...View AnswerShow Answer

Which of the following has not been blamed on the destruction of the ozone layer?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What is the wavelength of a photon needed to dissociate an S2 molecule whose bond energy is 226 kJ/mol (h = 6.63 × 10-34J s; c = 3.0 × 108m/s; and Avogadro's number = 6.022 × 1023 molecules/mole) ?

Correct AnswerverifiedShow Answer

What is the wavelength of a photon needed to dissociate an O3 molecule whose bond energy is 107.2 kJ/mol (h =6.63 × 10-34J s; c = 3.0 × 108m/s; and Avogadro's number = 6.022 × 1023 molecules/mole) ?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Volcanoes

Correct AnswerverifiedShow Answer

The major contributor to the greenhouse effect is H2S.

Correct AnswerverifiedShow Answer

The principal contributor to acid rain is A.CO2. B.SO2. C.O3. D.NO2.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the name given to the spectacular celestial light shown in the sky resulting from electrons and protons in space ejected from solar eruptions?

Correct AnswerverifiedShow Answer

The gases spewed into the atmosphere when a volcano erupts are N2,H2S,HCl,HF,CO2,and water vapor.

Correct AnswerverifiedShow Answer

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

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

Correct Answer
verified

Correct Answer
verified

Give two important reasons why there is so much more Na⁺ in the oceans than K⁺,despite their similar abundances in the Earth's crust.

Correct Answer
verified
Clays bind K⁺ more effectively ...
View 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 Answer
verified

Correct Answer
verified
tropospher...
View Answer

Correct Answer
verified

Correct Answer
verified

What is the wavelength of a photon needed to dissociate an S₂ molecule whose bond energy is 226 kJ/mol (h = 6.63 × 10^-34J s; c = 3.0 × 10⁸m/s; and Avogadro's number = 6.022 × 10²³molecules/mole) ?

Correct Answer
verified

What is the wavelength of a photon needed to dissociate an O₃ molecule whose bond energy is 107.2 kJ/mol (h =6.63 × 10^-34J s; c = 3.0 × 10⁸m/s; and Avogadro's number = 6.022 × 10²³ molecules/mole) ?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

The major contributor to the greenhouse effect is H₂S.

Correct Answer
verified

The principal contributor to acid rain is A.CO₂. B.SO₂. C.O₃. D.NO₂.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The gases spewed into the atmosphere when a volcano erupts are N₂,H₂S,HCl,HF,CO₂,and water vapor.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified