Question 1

The compound CFCl3 is used as a/an

Accepted Answer

A) enzyme. 
B) anesthetic. 
C) gaseous fuel. 
D) coolant. 
E) CFC replacement. 
A) enzyme. 
B) anesthetic. 
C) gaseous fuel. 
D) coolant. 
E) CFC replacement.

Question 2

Chlorofluorocarbons diffuse in the troposphere where they begin to decompose allowing the chlorine atoms to break down ozone.

Accepted Answer

A) True 
B) False 
A) True 
B) False

Question 3

Lightning,fires,and other atmospheric processes result in the formation of nitric acid,HNO3,from atmospheric N2,O2,and H2O.Write balanced chemical equations to represent the three reactions involved in the formation of HNO3 by this route.

Accepted Answer

N₂ (g)+ O₂(g)→ 2NO(g),

Question 4

How many different ways can a CO2 molecule vibrate?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) millions 
A) 1 
B) 2 
C) 3 
D) 4 
E) millions

Question 5

What is the layer of the atmosphere called that is closest to the surface of the Earth and the thinnest layer of the atmosphere?

Accepted Answer

A) outer atmosphere 
B) mesosphere 
C) thermosphere 
D) troposphere 
E) stratosphere 
A) outer atmosphere 
B) mesosphere 
C) thermosphere 
D) troposphere 
E) stratosphere

Question 6

The air at sea level is ~80% oxygen and ~20% nitrogen.

Accepted Answer

A) True 
 B)False

Question 7

What is the cause of radon being detected in homes?

Accepted Answer

Homes are built on r

Question 8

The first "hole" in the ozone layer was found over which continent?

Accepted Answer

A) North America 
B) South America 
C) Australia 
D) Antarctica 
E) Asia 
A) North America 
B) South America 
C) Australia 
D) Antarctica 
E) Asia

Question 9

Choose the incorrect statement concerning radon gas.

Accepted Answer

A) Radon gas is found at home. 
B) Radon is a noble gas. 
C) Radon accounts for 3/4 of the Earth's background radioactivity. 
D) Radon-222 is the most hazardous form of radon due to a half-life of 3.8 days. 
A) Radon gas is found at home. 
B) Radon is a noble gas. 
C) Radon accounts for 3/4 of the Earth's background radioactivity. 
D) Radon-222 is the most hazardous form of radon due to a half-life of 3.8 days.

Question 10

What colors do excited oxygen atoms emit?

Accepted Answer

The answer of What colors do excited oxygen atoms emit?...

Question 11

Ozone

Accepted Answer

A) dissociates to O and O2 by absorbing UV energy. 
B) is formed by the combination of oxygen atoms with O2 molecules. 
C) can be destroyed by chlorine atoms that result from the decomposition of chlorocarbons in the stratosphere. 
D) All of the. 
E) None of the. 
A) dissociates to O and O2 by absorbing UV energy. 
B) is formed by the combination of oxygen atoms with O2 molecules. 
C) can be destroyed by chlorine atoms that result from the decomposition of chlorocarbons in the stratosphere. 
D) All of the. 
E) None of the.

The compound CFCl₃ is used as a/an

Chlorofluorocarbons diffuse in the troposphere where they begin to decompose allowing the chlorine atoms to break down ozone.

Lightning,fires,and other atmospheric processes result in the formation of nitric acid,HNO₃,from atmospheric N₂,O₂,and H₂O.Write balanced chemical equations to represent the three reactions involved in the formation of HNO₃ by this route.

How many different ways can a CO₂ molecule vibrate?

What is the layer of the atmosphere called that is closest to the surface of the Earth and the thinnest layer of the atmosphere?

The air at sea level is ~80% oxygen and ~20% nitrogen.

What is the cause of radon being detected in homes?

The first "hole" in the ozone layer was found over which continent?

Choose the incorrect statement concerning radon gas.

What colors do excited oxygen atoms emit?

Ozone

Chemistry: the Central Science

Atoms Molecules and Ions

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I Basic Concepts

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

Filters

Exam 21: Environmental Chemistry

The compound CFCl3 is used as a/an

Chlorofluorocarbons diffuse in the troposphere where they begin to decompose allowing the chlorine atoms to break down ozone.

Lightning,fires,and other atmospheric processes result in the formation of nitric acid,HNO3,from atmospheric N2,O2,and H2O.Write balanced chemical equations to represent the three reactions involved in the formation of HNO3 by this route.

How many different ways can a CO2 molecule vibrate?

What is the layer of the atmosphere called that is closest to the surface of the Earth and the thinnest layer of the atmosphere?

The air at sea level is ~80% oxygen and ~20% nitrogen.

What is the cause of radon being detected in homes?

The first "hole" in the ozone layer was found over which continent?

Choose the incorrect statement concerning radon gas.

What colors do excited oxygen atoms emit?

Ozone

Chemistry: the Central Science

Atoms Molecules and Ions

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I Basic Concepts

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

Filters

The compound CFCl₃ is used as a/an

Lightning,fires,and other atmospheric processes result in the formation of nitric acid,HNO₃,from atmospheric N₂,O₂,and H₂O.Write balanced chemical equations to represent the three reactions involved in the formation of HNO₃ by this route.

How many different ways can a CO₂ molecule vibrate?