Question 1

Which of these elements is the reason that chemically decomposed ozone will not reform?

Accepted Answer

A)  Carbon 
B)  Fluorine 
C)  Oxygen 
D)  Chlorine 
E)  Nitrogen 
A)  Carbon 
B)  Fluorine 
C)  Oxygen 
D)  Chlorine 
E)  Nitrogen

Question 2

For an ideal gas sample, the following graph could represent a plot of  _____.

Accepted Answer

A)  Boyle's law, V vs. T at a given constant P. 
B)  Charles's law, P vs. T at a given constant V. 
C)  Boyle's law, P vs. V at a given constant T. 
D)  Dalton's law, PV vs. P at a given constant T. 
E)  Avogadro's law, P vs. n at a constant T. 
A)  Boyle's law, V vs. T at a given constant P. 
B)  Charles's law, P vs. T at a given constant V. 
C)  Boyle's law, P vs. V at a given constant T. 
D)  Dalton's law, PV vs. P at a given constant T. 
E)  Avogadro's law, P vs. n at a constant T.

Question 3

Which of these is not a possible unit of pressure?

Accepted Answer

A)  g/mL 
B)  lb/in2 
C)  Pa 
D)  N/m2 
E)  mm Hg 
A)  g/mL 
B)  lb/in2 
C)  Pa 
D)  N/m2 
E)  mm Hg

Question 4

According to Boyle's law, if the pressure of a gas is increased by a factor of 4, then the _____ of the gas is _____ by a factor of _____.

Accepted Answer

A)  volume; increased; 4 
B)  volume; decreased; 4 
C)  volume; increased; 14 
D)  temperature; increased; 4 
E)  temperature; decreased; 4 
A)  volume; increased; 4 
B)  volume; decreased; 4 
C)  volume; increased; 14 
D)  temperature; increased; 4 
E)  temperature; decreased; 4

Question 5

According to Charles's law, if the volume of a gas is increased by a factor of 10, then the _____ of the gas is _____ by a factor of _____.

Accepted Answer

A)  volume; increased; 10 
B)  volume; decreased; 10 
C)  volume; increased;  1/10th 
D)  temperature; increased; 10 
E)  temperature; decreased; 10 
A)  volume; increased; 10 
B)  volume; decreased; 10 
C)  volume; increased;  1/10th 
D)  temperature; increased; 10 
E)  temperature; decreased; 10

Question 6

Which of these regions has the most significant ozone depletion?

Accepted Answer

A)  North America 
B)  Eastern Europe 
C)  Antarctica 
D)  Middle East 
E)  Southern Africa 
A)  North America 
B)  Eastern Europe 
C)  Antarctica 
D)  Middle East 
E)  Southern Africa

Question 7

If a gas sample is doubled in pressure and in temperature, the volume will be _____.

Accepted Answer

A)  a fourth of the original volume 
B)  half of the original volume 
C)  the same as the original volume 
D)  twice the original volume 
E)  four times the original volume 
A)  a fourth of the original volume 
B)  half of the original volume 
C)  the same as the original volume 
D)  twice the original volume 
E)  four times the original volume

Question 8

_____ is a major precursor to ozone formation and contributes to acid rain.

Accepted Answer

A)  O3 
B)  PM-2.5 
C)  CO 
D)  NO2 
E)  SO2 
A)  O3 
B)  PM-2.5 
C)  CO 
D)  NO2 
E)  SO2

Question 9

Meteors burn up in the _____ region of the atmosphere.

Accepted Answer

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

Question 10

The stratosphere over Antarctica in winter is isolated by a swirling mass of air currents called the _____.

Accepted Answer

A)  polar amplification 
B)  convectional current 
C)  polar vortex 
D)  polar current 
E)  crosswind current 
A)  polar amplification 
B)  convectional current 
C)  polar vortex 
D)  polar current 
E)  crosswind current

Question 11

Rank the following gases in the increasing  order of their abundance in the atmosphere. ​
(O2, N2, H2, He, CO2)

Accepted Answer

A)  O2 2 2 
B)  N2 2 2 
C)  Ar 2 2 2 
D)  Ne 2 2 2 
E)  CO2 2 2 
A)  O2 2 2 
B)  N2 2 2 
C)  Ar 2 2 2 
D)  Ne 2 2 2 
E)  CO2 2 2

Question 12

A sample of nitrogen at pressure P is contained in a sealed syringe with a movable piston. If the volume of the sample were doubled and the absolute temperature tripled, the new pressure of the gas would be _____.

Accepted Answer

A)  6.0 P 
B)  5.0 P 
C)  3.5 P 
D)  1.5 P 
E)  0.5 P 
A)  6.0 P 
B)  5.0 P 
C)  3.5 P 
D)  1.5 P 
E)  0.5 P

Which of these elements is the reason that chemically decomposed ozone will not reform?

For an ideal gas sample, the following graph could represent a plot of _____.

Which of these is not a possible unit of pressure?

According to Boyle's law, if the pressure of a gas is increased by a factor of 4, then the ___ of the gas is _ by a factor of ___.

According to Charles's law, if the volume of a gas is increased by a factor of 10, then the ___ of the gas is _ by a factor of ___.

Which of these regions has the most significant ozone depletion?

If a gas sample is doubled in pressure and in temperature, the volume will be _____.

_____ is a major precursor to ozone formation and contributes to acid rain.

Meteors burn up in the _____ region of the atmosphere.

The stratosphere over Antarctica in winter is isolated by a swirling mass of air currents called the _____.

Rank the following gases in the increasing order of their abundance in the atmosphere. (O₂, N₂, H₂, He, CO₂)

A sample of nitrogen at pressure P is contained in a sealed syringe with a movable piston. If the volume of the sample were doubled and the absolute temperature tripled, the new pressure of the gas would be _____.

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Exam 11: The Air Around Us

Which of these elements is the reason that chemically decomposed ozone will not reform?

For an ideal gas sample, the following graph could represent a plot of _____.

Which of these is not a possible unit of pressure?

According to Boyle's law, if the pressure of a gas is increased by a factor of 4, then the _____ of the gas is _____ by a factor of _____.

According to Charles's law, if the volume of a gas is increased by a factor of 10, then the _____ of the gas is _____ by a factor of _____.

Which of these regions has the most significant ozone depletion?

If a gas sample is doubled in pressure and in temperature, the volume will be _____.

_____ is a major precursor to ozone formation and contributes to acid rain.

Meteors burn up in the _____ region of the atmosphere.

The stratosphere over Antarctica in winter is isolated by a swirling mass of air currents called the _____.

Rank the following gases in the increasing order of their abundance in the atmosphere. ​ (O2, N2, H2, He, CO2)

A sample of nitrogen at pressure P is contained in a sealed syringe with a movable piston. If the volume of the sample were doubled and the absolute temperature tripled, the new pressure of the gas would be _____.

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology Online Only

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According to Boyle's law, if the pressure of a gas is increased by a factor of 4, then the ___ of the gas is _ by a factor of ___.

According to Charles's law, if the volume of a gas is increased by a factor of 10, then the ___ of the gas is _ by a factor of ___.

Rank the following gases in the increasing order of their abundance in the atmosphere. (O₂, N₂, H₂, He, CO₂)