Question 1

Rank these gases in order of their abundance in the atmosphere (least to greatest).
​
(O2, N2, H2, He, CO2)

Accepted Answer

A) O2 2 2 2 
B) N2 2 2 2 
C) H2 2  2 2 
D) H2 2 2 2 
E) CO2 2 2 2 
A) O2 2 2 2 
B) N2 2 2 2 
C) H2 2  2 2 
D) H2 2 2 2 
E) CO2 2 2 2

Question 2

A sample of Freon gas in an air conditioner has a volume of 325 L and pressure of 96,300 Pa at 20 ° C. What will the pressure the Freon be when the volume is 975 L at 20 ° C?

Accepted Answer

A) 1975 Pa 
B) 3.2 × 104 Pa 
C) 2.89 × 105 Pa 
D) 3.1 × 107 Pa 
E) 9.4 × 107 Pa 
A) 1975 Pa 
B) 3.2 × 104 Pa 
C) 2.89 × 105 Pa 
D) 3.1 × 107 Pa 
E) 9.4 × 107 Pa

Question 3

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 4

A balloon contains 14.0 L of air at a pressure of 760 torr. What will be the volume of the air when the balloon is taken to a region with a pressure of 981 torr at the same temperature ?

Accepted Answer

A) 1.3 L 
B) 8.2 L 
C) 10.8 L 
D) 14.0 L 
E) 18 L 
A) 1.3 L 
B) 8.2 L 
C) 10.8 L 
D) 14.0 L 
E) 18 L

Question 5

Pressure is defined as:

Accepted Answer

A) force times unit area. 
B) mass times acceleration. 
C) mass divided by density. 
D) force divided by unit area. 
E) mass divided by acceleration. 
A) force times unit area. 
B) mass times acceleration. 
C) mass divided by density. 
D) force divided by unit area. 
E) mass divided by acceleration.

Question 6

Which of these pollutants diminishes the bloods ability to carry oxygen?

Accepted Answer

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

Question 7

According to data obtained by NAAQS, which of these pollutants is the most prominent pollutant problem in the United States?

Accepted Answer

A) CO 
B) NO2 
C) SO2 
D) O3 
E) Pb 
A) CO 
B) NO2 
C) SO2 
D) O3 
E) Pb

Question 8

Which of these is responsible for the rusting of metal and the dulling of paint?

Accepted Answer

A) N2 
B) O2 
C) Ar 
D) He 
E) CO2 
A) N2 
B) O2 
C) Ar 
D) He 
E) CO2

Question 9

Which of these processes is represented by the equation?
​
6H2O + 6CO2 + energy → C6H12O6 + 6O2

Accepted Answer

A) Nitrogen fixation 
B) Combustion 
C) Photosynthesis 
D) Respiration 
E) Ozone depletion 
A) Nitrogen fixation 
B) Combustion 
C) Photosynthesis 
D) Respiration 
E) Ozone depletion

Question 10

Which of these is not a possible unit for pressure?

Accepted Answer

A) in. Hg 
B) psi 
C) torr 
D) mm Hg 
E) lb\s 
A) in. Hg 
B) psi 
C) torr 
D) mm Hg 
E) lb\s

Question 11

Which of these processes is represented by the equation?
​
C6H12O6 + 6O2 → 6CO2 + 6H2O + energy

Accepted Answer

A) Nitrogen fixation 
B) Combustion 
C) Photosynthesis 
D) Respiration 
E) Ozone depletion 
A) Nitrogen fixation 
B) Combustion 
C) Photosynthesis 
D) Respiration 
E) Ozone depletion

Question 12

Which of these is the correct representation of Charles's Law?

Accepted Answer

A) PV = k 
B) V\T = k 
C) P\V = k 
D) V\P = k 
E) VT = k 
A) PV = k 
B) V\T = k 
C) P\V = k 
D) V\P = k 
E) VT = k

Question 13

Which of these compounds is credited with the accelerated depletion of the ozone layer?

Accepted Answer

A) CO 
B) CFCs 
C) O2 
D) NO 
E) SO2 
A) CO 
B) CFCs 
C) O2 
D) NO 
E) SO2

Question 14

Which of these is not a source of chlorofluorocarbons?

Accepted Answer

A) Aerosol propellants 
B) Refrigeration systems 
C) Industrial solvents 
D) Fast-food containers 
E) Automobile exhaust 
A) Aerosol propellants 
B) Refrigeration systems 
C) Industrial solvents 
D) Fast-food containers 
E) Automobile exhaust

Question 15

If a gas sample is doubled in pressure and doubled 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 16

What is the approximate composition of the earth's atmosphere?

Accepted Answer

A) 80 % oxygen and 20 % nitrogen 
B) 80 % nitrogen and 20 % oxygen 
C) 50 % nitrogen and 50 % oxygen 
D) 100 % oxygen 
E) 100 % nitrogen 
A) 80 % oxygen and 20 % nitrogen 
B) 80 % nitrogen and 20 % oxygen 
C) 50 % nitrogen and 50 % oxygen 
D) 100 % oxygen 
E) 100 % nitrogen

Question 17

Combining Charles's law and Boyle's law results in which equation?

Accepted Answer

A) PVT = k 
B) PT\V = k 
C) P\VT = k 
D) PV\T = k 
E) None of the above 
A) PVT = k 
B) PT\V = k 
C) P\VT = k 
D) PV\T = k 
E) None of the above

Question 18

Which of these gases is\ are considered inert and unreactive?
I. Ne
II. O2
III. Ar
IV. CO2

Accepted Answer

A) I only 
B) II only 
C) II and III 
D) I and III 
E) I, III, and IV 
A) I only 
B) II only 
C) II and III 
D) I and III 
E) I, III, and IV

Question 19

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

Question 20

Which of these is not a possible unit for pressure?

Accepted Answer

A) mm Hg 
B) psi 
C) torr 
D) atm 
E) J\s 
A) mm Hg 
B) psi 
C) torr 
D) atm 
E) J\s

Rank these gases in order of their abundance in the atmosphere (least to greatest). (O₂, N₂, H₂, He, CO₂)

A sample of Freon gas in an air conditioner has a volume of 325 L and pressure of 96,300 Pa at 20 ° C. What will the pressure the Freon be when the volume is 975 L at 20 ° C?

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

A balloon contains 14.0 L of air at a pressure of 760 torr. What will be the volume of the air when the balloon is taken to a region with a pressure of 981 torr at the same temperature ?

Pressure is defined as:

Which of these pollutants diminishes the bloods ability to carry oxygen?

According to data obtained by NAAQS, which of these pollutants is the most prominent pollutant problem in the United States?

Which of these is responsible for the rusting of metal and the dulling of paint?

Which of these processes is represented by the equation? 6H₂O + 6CO₂ + energy → C₆H₁₂O₆ + 6O₂

Which of these is not a possible unit for pressure?

Which of these processes is represented by the equation? C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy

Which of these is the correct representation of Charles's Law?

Which of these compounds is credited with the accelerated depletion of the ozone layer?

Which of these is not a source of chlorofluorocarbons?

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

What is the approximate composition of the earth's atmosphere?

Combining Charles's law and Boyle's law results in which equation?

Which of these gases is\ are considered inert and unreactive? I. Ne II. O₂ III. Ar IV. 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:

Which of these is not a possible unit for pressure?

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

Filters

Exam 11: The Air Around Us

Rank these gases in order of their abundance in the atmosphere (least to greatest). ​ (O2, N2, H2, He, CO2)

A sample of Freon gas in an air conditioner has a volume of 325 L and pressure of 96,300 Pa at 20 ° C. What will the pressure the Freon be when the volume is 975 L at 20 ° C?

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

A balloon contains 14.0 L of air at a pressure of 760 torr. What will be the volume of the air when the balloon is taken to a region with a pressure of 981 torr at the same temperature ?

Pressure is defined as:

Which of these pollutants diminishes the bloods ability to carry oxygen?

According to data obtained by NAAQS, which of these pollutants is the most prominent pollutant problem in the United States?

Which of these is responsible for the rusting of metal and the dulling of paint?

Which of these processes is represented by the equation? ​ 6H2O + 6CO2 + energy → C6H12O6 + 6O2

Which of these is not a possible unit for pressure?

Which of these processes is represented by the equation? ​ C6H12O6 + 6O2 → 6CO2 + 6H2O + energy

Which of these is the correct representation of Charles's Law?

Which of these compounds is credited with the accelerated depletion of the ozone layer?

Which of these is not a source of chlorofluorocarbons?

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

What is the approximate composition of the earth's atmosphere?

Combining Charles's law and Boyle's law results in which equation?

Which of these gases is\ are considered inert and unreactive? I. Ne II. O2 III. Ar IV. 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:

Which of these is not a possible unit for pressure?

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

Filters

Rank these gases in order of their abundance in the atmosphere (least to greatest). (O₂, N₂, H₂, He, CO₂)

Which of these processes is represented by the equation? 6H₂O + 6CO₂ + energy → C₆H₁₂O₆ + 6O₂

Which of these processes is represented by the equation? C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy

Which of these gases is\ are considered inert and unreactive? I. Ne II. O₂ III. Ar IV. CO₂