Question 1

Which of the following is arranged correctly in order of increasing distance from Earth's surface?

Accepted Answer

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

Question 2

In the world's oceans, the average salinity is about ________ g/kg.

Accepted Answer

A) 0.03 
B) 0.1 
C) 35 
D) 17 
E) 3.5 
A) 0.03 
B) 0.1 
C) 35 
D) 17 
E) 3.5

Question 3

In the presence of oxygen, the nitrogen present in biodegradable material ends up mainly as ________.

Accepted Answer

A) NO3- 
B) NO2 
C) N2O 
D) NH3 
E) NH4+ 
A) NO3- 
B) NO2 
C) N2O 
D) NH3 
E) NH4+

Question 4

The C   O bond dissociation energy in CO2 is 799 kJ/mol. The maximum wavelength of electromagnetic radiation required to rupture this bond is ________.

Accepted Answer

A) 307 nm 
B) 149 nm 
C) 248 nm 
D) 353 nm 
E) 979 nm 
A) 307 nm 
B) 149 nm 
C) 248 nm 
D) 353 nm 
E) 979 nm

Question 5

The source(s)of sulfur dioxide in the atmosphere is/are ________.

Accepted Answer

A) volcanic gases 
B) forest fires 
C) bacterial action 
D) fossil-fuel combustion 
E) all of the above 
A) volcanic gases 
B) forest fires 
C) bacterial action 
D) fossil-fuel combustion 
E) all of the above

Question 6

The partial pressure of a component in a gas mixture is the product of its mole fraction and the total mixture pressure.

Accepted Answer

A) True 
 B)False

Question 7

The world's largest desalinization plant is in ________ and uses the process of ________ to produce drinking water.

Accepted Answer

Saudi Arab

Question 8

Municipal water treatment consists of five steps ending with chlorination.

Accepted Answer

A) True 
 B)False

Question 9

The concentration of carbon monoxide in a sample of air is 6.0 ppm. There are ________ molecules of CO in 1.00 L of this air at 755 torr and 23 °C.

Accepted Answer

A) 2.5 × 10-7 
B) 1.4 × 1021 
C) 1.9 × 1018 
D) 1.1 × 1020 
E) 1.5 × 1017 
A) 2.5 × 10-7 
B) 1.4 × 1021 
C) 1.9 × 1018 
D) 1.1 × 1020 
E) 1.5 × 1017

Question 10

What compound in limestone and marble is attacked by acid rain?

Accepted Answer

A) hydroxyapatite 
B) calcium carbonate 
C) gypsum 
D) graphite 
E) potassium hydroxide 
A) hydroxyapatite 
B) calcium carbonate 
C) gypsum 
D) graphite 
E) potassium hydroxide

Question 11

The amount of atomic O relative to O2 ________.

Accepted Answer

A) is highest in the troposphere 
B) is highest in the stratosphere 
C) increases with altitude in the thermosphere 
D) decreases with altitude in the thermosphere 
E) is essentially independent of altitude in the thermosphere 
A) is highest in the troposphere 
B) is highest in the stratosphere 
C) increases with altitude in the thermosphere 
D) decreases with altitude in the thermosphere 
E) is essentially independent of altitude in the thermosphere

Question 12

Approximately 90% of the earth's ozone is in the ________.

Accepted Answer

The answer of Approximately 90% of the earth's ozone is...

Question 13

The contribution of sulfur to acid rain is via the production of ________.

Accepted Answer

The answer of The contribution of sulfur to acid rain...

Question 14

Of the compounds below, the one that requires the shortest wavelength for photoionization is ________.

Accepted Answer

A) O 
B) O2 
C) NO 
D) N2 
E) They all require the same wavelength. 
A) O 
B) O2 
C) NO 
D) N2 
E) They all require the same wavelength.

Question 15

In the purification of drinking water, the filtered water is made basic by adding ________, then particles and bacteria are captured by adding ________.

Accepted Answer

The answer of In the purification of drinking water, the...

Question 16

Components of Air Mole Fraction Nitrogen 0.781
Oxygen 0.209
Argon 0.010
What is the partial pressure or argon (in torr)in the atmosphere when the atmospheric pressure is 750.0 torr?

Accepted Answer

A) 157 
B) 586 
C) 611 
D) 7.50 
E) 760 
A) 157 
B) 586 
C) 611 
D) 7.50 
E) 760

Question 17

Describe the process of reverse osmosis that is used to desalinate seawater.

Accepted Answer

Water is fed, at high pressure

Question 18

Acid rain typically has a pH of about ________.

Accepted Answer

A) 7 
B) 5 
C) 4 
D) 2 
E) 1 
A) 7 
B) 5 
C) 4 
D) 2 
E) 1

Question 19

The average adult in the U.S. needs ________ liters of water per day for drinking.

Accepted Answer

The answer of The average adult in the U.S. needs...

Question 20

Sulfur compounds in the atmosphere are equally derived from natural sources and from human activity.

Accepted Answer

A) True 
 B)False

Exam 18: Chemistry of the Environment

Which of the following is arranged correctly in order of increasing distance from Earth's surface?

In the world's oceans, the average salinity is about ________ g/kg.

In the presence of oxygen, the nitrogen present in biodegradable material ends up mainly as ________.

The C O bond dissociation energy in CO2 is 799 kJ/mol. The maximum wavelength of electromagnetic radiation required to rupture this bond is ________.

The source(s)of sulfur dioxide in the atmosphere is/are ________.

The partial pressure of a component in a gas mixture is the product of its mole fraction and the total mixture pressure.

The world's largest desalinization plant is in ________ and uses the process of ________ to produce drinking water.

Municipal water treatment consists of five steps ending with chlorination.

The concentration of carbon monoxide in a sample of air is 6.0 ppm. There are ________ molecules of CO in 1.00 L of this air at 755 torr and 23 °C.

What compound in limestone and marble is attacked by acid rain?

The amount of atomic O relative to O2 ________.

Approximately 90% of the earth's ozone is in the ________.

The contribution of sulfur to acid rain is via the production of ________.

Of the compounds below, the one that requires the shortest wavelength for photoionization is ________.

In the purification of drinking water, the filtered water is made basic by adding ________, then particles and bacteria are captured by adding ________.

Components of Air Mole Fraction Nitrogen 0.781 Oxygen 0.209 Argon 0.010 What is the partial pressure or argon (in torr)in the atmosphere when the atmospheric pressure is 750.0 torr?

Describe the process of reverse osmosis that is used to desalinate seawater.

Acid rain typically has a pH of about ________.

The average adult in the U.S. needs ________ liters of water per day for drinking.

Sulfur compounds in the atmosphere are equally derived from natural sources and from human activity.

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

The C O bond dissociation energy in CO₂ is 799 kJ/mol. The maximum wavelength of electromagnetic radiation required to rupture this bond is ________.

The world's largest desalinization plant is in and uses the process of to produce drinking water.

The amount of atomic O relative to O₂ ________.

In the purification of drinking water, the filtered water is made basic by adding , then particles and bacteria are captured by adding .