Question 1

Even though the concentration of air pollution has gone down over time,people in some metropolitan areas still breath are that contains unhealthy levels of pollutants.

Accepted Answer

A) True 
 B)False  True

Question 2

Which chemical components are given off in car exhaust?

Accepted Answer

A) CO2 
B) H2O 
C) NOx 
D) All of these choices are correct 
A) CO2 
B) H2O 
C) NOx 
D) All of these choices are correct D

Question 3

Based on its name,which carbon compound contains the fewest carbon atoms?

Accepted Answer

A) Ethanol 
B) Methane 
C) Chlorobutane 
D) Propyl alcohol 
A) Ethanol 
B) Methane 
C) Chlorobutane 
D) Propyl alcohol B

Question 4

Which of the following are examples of technological advances that have reduced air pollution?

Accepted Answer

A) Paint with reduced VOCs 
B) Catalytic converters 
C)  Burning gasoline in leaf blowers 
D) Low sulfur diesel fuels 
A) Paint with reduced VOCs 
B) Catalytic converters 
C)  Burning gasoline in leaf blowers 
D) Low sulfur diesel fuels

Question 5

Green chemistry is

Accepted Answer

A) the study of how to improve the production of oxygen via photosynthesis. 
B) any chemistry having an agricultural base. 
C) the cause of the higher temperatures and humidity typically found in greenhouses. 
D) the design of products and processes that reduce hazardous substances. 
A) the study of how to improve the production of oxygen via photosynthesis. 
B) any chemistry having an agricultural base. 
C) the cause of the higher temperatures and humidity typically found in greenhouses. 
D) the design of products and processes that reduce hazardous substances.

Question 6

The chemical formula for nitrogen monoxide is

Accepted Answer

A) N2O. 
B) NO. 
C) NO2. 
D) N2O3. 
A) N2O. 
B) NO. 
C) NO2. 
D) N2O3.

Question 7

Which component of the air makes up approximately 100 times more of an exhaled breath than of an inhaled breath?

Accepted Answer

A) Ar 
B) O2 
C) O3 
D) CO2 
A) Ar 
B) O2 
C) O3 
D) CO2

Question 8

If we assume that the top of Mt.Everest is the highest land mass on earth,hikers who scale its summit are standing in the

Accepted Answer

A) mesosphere. 
B) stratosphere. 
C) troposphere. 
D) ozone layer. 
A) mesosphere. 
B) stratosphere. 
C) troposphere. 
D) ozone layer.

Question 9

Which air pollutant is the second-leading cause of lung cancer worldwide,behind tobacco smoke?

Accepted Answer

A) Radon 
B) Ozone 
C) Carbon monoxide 
D) Nitrogen oxides 
A) Radon 
B) Ozone 
C) Carbon monoxide 
D) Nitrogen oxides

Question 10

Which correctly pairs an indoor pollutant with its source?

Accepted Answer

A) Formaldehyde and unvented space heaters 
B) O3 and electrical arcing 
C) Radon and glues and solvents 
D) Nicotine and paint and paint thinners 
A) Formaldehyde and unvented space heaters 
B) O3 and electrical arcing 
C) Radon and glues and solvents 
D) Nicotine and paint and paint thinners

Question 11

Choose the proper coefficients for each substance to balance this equation. ___ C2H4(g) + ___ O2(g) → ___ CO2(g) + ___ H2O(g)

Accepted Answer

A) 1,1,2,2 
B) 1,3,2,2 
C) 2,3,4,2 
D) 2,2,4,2 
A) 1,1,2,2 
B) 1,3,2,2 
C) 2,3,4,2 
D) 2,2,4,2

Question 12

Which two gases make up more than 95 percent of an inhaled breath?

Accepted Answer

A) NO2 and N2 
B) CO2 and O2 
C) O2 and N2 
D) N2 and Ar 
A) NO2 and N2 
B) CO2 and O2 
C) O2 and N2 
D) N2 and Ar

Question 13

Which pollutant is present in air as particulate matter?

Accepted Answer

A) Soot 
B) Ozone 
C) Sulfur dioxide 
D) Carbon monoxide 
A) Soot 
B) Ozone 
C) Sulfur dioxide 
D) Carbon monoxide

Question 14

The EPA limit for CO is 9 ppm.Express this number as a percentage.

Accepted Answer

A) 90 percent 
B) 9 percent 
C) 0.09 percent 
D) 0.0009 percent 
A) 90 percent 
B) 9 percent 
C) 0.09 percent 
D) 0.0009 percent

Question 15

A particular sample of air is 2.5 percent water vapor.Express the concentration of water vapor in parts per million (ppm).

Accepted Answer

A) 0.0000025 ppm 
B) 0.025 ppm 
C) 250 ppm 
D) 25000 ppm 
A) 0.0000025 ppm 
B) 0.025 ppm 
C) 250 ppm 
D) 25000 ppm

Question 16

What is the chemical formula for carbon disulfide?

Accepted Answer

A) CH4 
B) CS2 
C) C2H6 
D) H2SO4 
A) CH4 
B) CS2 
C) C2H6 
D) H2SO4

Question 17

If 500 mL of air contains 2 x 1022 particles (atoms and molecules),how many particles do you inhale in one day if you breathe 15000 L of air?

Accepted Answer

A) 2 x 1022 
B) 6 x 1026 
C) 1.2 x 1027 
D) 5 x 1024 
A) 2 x 1022 
B) 6 x 1026 
C) 1.2 x 1027 
D) 5 x 1024

Question 18

The more toxic the pollutant,the higher the concentration is set when concerning air quality standards.

Accepted Answer

A) True 
 B)False

Question 19

The burning of coal produces sulfur dioxide,SO2,a pollutant that slowly reacts in air to form SO3.Sulfur trioxide dissolves into airborne water droplets to form a very corrosive solution of sulfuric acid.Which is a product of burning coal that hastens the transformation of sulfur dioxide into sulfur trioxide?

Accepted Answer

A) Carbon dioxide 
B) Carbon monoxide 
C) Nitrogen dioxide 
D) Particles of ash 
A) Carbon dioxide 
B) Carbon monoxide 
C) Nitrogen dioxide 
D) Particles of ash

Question 20

An inversion layer happens when a certain weather pattern traps cooler air near the surface of the earth with a warmer air mass above it.Why is this a problem?

Accepted Answer

A) Excess precipitation could cause flooding 
B) The cold air increases the chance for snowstorms 
C) Heatwaves can occur 
D) Air pollution concentrates in the inversion layer 
A) Excess precipitation could cause flooding 
B) The cold air increases the chance for snowstorms 
C) Heatwaves can occur 
D) Air pollution concentrates in the inversion layer

Even though the concentration of air pollution has gone down over time,people in some metropolitan areas still breath are that contains unhealthy levels of pollutants.

Which chemical components are given off in car exhaust?

Based on its name,which carbon compound contains the fewest carbon atoms?

Which of the following are examples of technological advances that have reduced air pollution?

Green chemistry is

The chemical formula for nitrogen monoxide is

Which component of the air makes up approximately 100 times more of an exhaled breath than of an inhaled breath?

If we assume that the top of Mt.Everest is the highest land mass on earth,hikers who scale its summit are standing in the

Which air pollutant is the second-leading cause of lung cancer worldwide,behind tobacco smoke?

Which correctly pairs an indoor pollutant with its source?

Choose the proper coefficients for each substance to balance this equation. _ C₂H₄(g) + _ O₂(g) → _ CO₂(g) + _ H₂O(g)

Which two gases make up more than 95 percent of an inhaled breath?

Which pollutant is present in air as particulate matter?

The EPA limit for CO is 9 ppm.Express this number as a percentage.

A particular sample of air is 2.5 percent water vapor.Express the concentration of water vapor in parts per million (ppm).

What is the chemical formula for carbon disulfide?

If 500 mL of air contains 2 x 10²² particles (atoms and molecules),how many particles do you inhale in one day if you breathe 15000 L of air?

The more toxic the pollutant,the higher the concentration is set when concerning air quality standards.

An inversion layer happens when a certain weather pattern traps cooler air near the surface of the earth with a warmer air mass above it.Why is this a problem?

Portable Electronics: the Periodic Table in the Palm of Your Hand

Radiation From the Sun

Climate Change

Energy From Combustion

Energy From Alternative Sources

Energy Storage

Water Everywhere: A Most Precious Resource

The World of Polymers and Plastics

Brewing and Chewing

Nutrition

Health Medicine

Genes and Life

Who Killed Drthompson a Forensic Mystery

Filters

Exam 2: The Air We Breathe

Even though the concentration of air pollution has gone down over time,people in some metropolitan areas still breath are that contains unhealthy levels of pollutants.

Which chemical components are given off in car exhaust?

Based on its name,which carbon compound contains the fewest carbon atoms?

Which of the following are examples of technological advances that have reduced air pollution?

Green chemistry is

The chemical formula for nitrogen monoxide is

Which component of the air makes up approximately 100 times more of an exhaled breath than of an inhaled breath?

If we assume that the top of Mt.Everest is the highest land mass on earth,hikers who scale its summit are standing in the

Which air pollutant is the second-leading cause of lung cancer worldwide,behind tobacco smoke?

Which correctly pairs an indoor pollutant with its source?

Choose the proper coefficients for each substance to balance this equation. ___ C2H4(g) + ___ O2(g) → ___ CO2(g) + ___ H2O(g)

Which two gases make up more than 95 percent of an inhaled breath?

Which pollutant is present in air as particulate matter?

The EPA limit for CO is 9 ppm.Express this number as a percentage.

A particular sample of air is 2.5 percent water vapor.Express the concentration of water vapor in parts per million (ppm).

What is the chemical formula for carbon disulfide?

If 500 mL of air contains 2 x 1022 particles (atoms and molecules),how many particles do you inhale in one day if you breathe 15000 L of air?

The more toxic the pollutant,the higher the concentration is set when concerning air quality standards.

An inversion layer happens when a certain weather pattern traps cooler air near the surface of the earth with a warmer air mass above it.Why is this a problem?

Portable Electronics: the Periodic Table in the Palm of Your Hand

Radiation From the Sun

Climate Change

Energy From Combustion

Energy From Alternative Sources

Energy Storage

Water Everywhere: A Most Precious Resource

The World of Polymers and Plastics

Brewing and Chewing

Nutrition

Health Medicine

Genes and Life

Who Killed Drthompson a Forensic Mystery

Filters

Choose the proper coefficients for each substance to balance this equation. _ C₂H₄(g) + _ O₂(g) → _ CO₂(g) + _ H₂O(g)

If 500 mL of air contains 2 x 10²² particles (atoms and molecules),how many particles do you inhale in one day if you breathe 15000 L of air?