Question 1

Which of the following is not one of the 12 principles associated with green chemistry?

Accepted Answer

A) distribution of chemical by-products into oceans 
B) less hazardous chemical syntheses 
C) promotion of the use of catalysts 
D) use of renewable feedstocks 
E) inherently safer chemistry for accident prevention 
A) distribution of chemical by-products into oceans 
B) less hazardous chemical syntheses 
C) promotion of the use of catalysts 
D) use of renewable feedstocks 
E) inherently safer chemistry for accident prevention

Question 2

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 3

Why are chlorofluorocarbons so damaging to the ozone layer when they are such stable molecules?

Accepted Answer

A) They contain a double bond that ozone readily attacks, resulting in the destruction of the ozone. 
B) They are very light molecules that rapidly diffuse into the upper atmosphere and block the radiation that causes formation of ozone. 
C) They are greenhouse gases that raise the temperature above the dissociation temperature of ozone. 
D) The radiation in the stratosphere dissociates them producing chlorine atoms that catalytically destroy ozone. 
E) CFCs do not damage the ozone. 
A) They contain a double bond that ozone readily attacks, resulting in the destruction of the ozone. 
B) They are very light molecules that rapidly diffuse into the upper atmosphere and block the radiation that causes formation of ozone. 
C) They are greenhouse gases that raise the temperature above the dissociation temperature of ozone. 
D) The radiation in the stratosphere dissociates them producing chlorine atoms that catalytically destroy ozone. 
E) CFCs do not damage the ozone.

Question 4

Eutrophication of a lake is the process of ________.

Accepted Answer

A) rapid increase in the amount of dead and decaying plant matter in the lake as a result of excessive plant growth 
B) rapid decline in the lake's pH due to acid rain 
C) dissolved oxygen being depleted by an overpopulation of fish 
D) stocking the lake with fish 
E) restoration of the lake's dissolved oxygen supply by aerobic bacteria 
A) rapid increase in the amount of dead and decaying plant matter in the lake as a result of excessive plant growth 
B) rapid decline in the lake's pH due to acid rain 
C) dissolved oxygen being depleted by an overpopulation of fish 
D) stocking the lake with fish 
E) restoration of the lake's dissolved oxygen supply by aerobic bacteria

Question 5

The main ionic constituent of sea water is ________.

Accepted Answer

A) Na+ 
B) Cl- 
C) SO42- 
D) Mg2+ 
E) Ca2+ 
A) Na+ 
B) Cl- 
C) SO42- 
D) Mg2+ 
E) Ca2+

Question 6

Which gaseous sulfur compound combines with water to form the principal acidic constituent of acid rain?

Accepted Answer

A) SO42- 
B) SO3 
C) SO2 
D) SO 
E) H2S 
A) SO42- 
B) SO3 
C) SO2 
D) SO 
E) H2S

Question 7

What is the approximate pH of acid rain?

Accepted Answer

The answer of What is the approximate pH of acid...

Question 8

Which choice is not one of the Ionic Constituents of seawater typically present in concentrations greater than 1 ppm?

Accepted Answer

A) ClO4- 
B) Sr2+ 
C) Na+ 
D) H3Bo3 
E) Cl- 
A) ClO4- 
B) Sr2+ 
C) Na+ 
D) H3Bo3 
E) Cl-

Question 9

Which choice is one of the suspected carcinogens by-products from water chlorination called THMs?

Accepted Answer

A) CHClBr2 
B) Cl2 
C) Br2 
D) CH3OCH3 
E) CH4 
A) CHClBr2 
B) Cl2 
C) Br2 
D) CH3OCH3 
E) CH4

Question 10

In the equation below,what is the meaning of the asterisk?
O + O2 → O3*

Accepted Answer

The asterisk indicat

Question 11

Sulfur dioxide is not released into the atmosphere in any significant amount by ________.

Accepted Answer

A) burning of coal 
B) bacterial action 
C) internal combustion engines 
D) volcanic eruption 
E) Sulfur dioxide is produced in significant amount by all of these processes. 
A) burning of coal 
B) bacterial action 
C) internal combustion engines 
D) volcanic eruption 
E) Sulfur dioxide is produced in significant amount by all of these processes.

Question 12

The three most concentrated ions in seawater are ________.

Accepted Answer

chloride i

Question 13

The majority of ozone that protects against the high energy radiation of the sun is found in the ________.

Accepted Answer

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

Question 14

What is the wavelength of a photon with just enough energy to break a   (The bond energy of the   is

Accepted Answer

A) 362 nm 
B) 723 nm 
C) 181 nm 
D) 5.46 × 1035 nm 
E) 5.50 × 10-19 nm 
A) 362 nm 
B) 723 nm 
C) 181 nm 
D) 5.46 × 1035 nm 
E) 5.50 × 10-19 nm

Question 15

The stratosphere contains approximately ________ of the earth's ozone.

Accepted Answer

The answer of The stratosphere contains approximately ________ of the...

Question 16

Most fresh water in the U.S.is used for agriculture.

Accepted Answer

A) True 
 B)False

Question 17

The brown color of photochemical smog over a city is mainly due to ________.

Accepted Answer

A) NO2 
B) N2O4 
C) CO 
D) SO2 
E) CO2 
A) NO2 
B) N2O4 
C) CO 
D) SO2 
E) CO2

Question 18

Carbon dioxide contributes to atmospheric warming by ________.

Accepted Answer

A) absorbing incoming radiation from the sun and converting it to heat 
B) absorbing radiation emitted from the surface of the earth preventing its loss to space 
C) undergoing exothermic reactions extensively in the atmosphere 
D) increasing the index of refraction of the atmosphere so that infrared radiation from the sun is refracted to the surface of the earth where it is converted to heat 
E) reducing the concentration of CO in the atmosphere 
A) absorbing incoming radiation from the sun and converting it to heat 
B) absorbing radiation emitted from the surface of the earth preventing its loss to space 
C) undergoing exothermic reactions extensively in the atmosphere 
D) increasing the index of refraction of the atmosphere so that infrared radiation from the sun is refracted to the surface of the earth where it is converted to heat 
E) reducing the concentration of CO in the atmosphere

Question 19

A single individual typically uses the greatest quantity of water for ________.

Accepted Answer

A) flushing toilets 
B) cooking 
C) cleaning (bathing, laundering, and house cleaning) 
D) watering lawns 
E) drinking water 
A) flushing toilets 
B) cooking 
C) cleaning (bathing, laundering, and house cleaning) 
D) watering lawns 
E) drinking water

Question 20

Ozone is a necessary,protective component of the ________,but is considered a pollutant in the ________.

Accepted Answer

A) troposphere, upper atmosphere 
B) troposphere, air 
C) photochemical smog, air we breathe 
D) upper atmosphere, troposphere 
E) air we breathe, upper atmosphere 
A) troposphere, upper atmosphere 
B) troposphere, air 
C) photochemical smog, air we breathe 
D) upper atmosphere, troposphere 
E) air we breathe, upper atmosphere

Exam 18: Chemistry of the Environment

Which of the following is not one of the 12 principles associated with green chemistry?

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

Why are chlorofluorocarbons so damaging to the ozone layer when they are such stable molecules?

Eutrophication of a lake is the process of ________.

The main ionic constituent of sea water is ________.

Which gaseous sulfur compound combines with water to form the principal acidic constituent of acid rain?

What is the approximate pH of acid rain?

Which choice is not one of the Ionic Constituents of seawater typically present in concentrations greater than 1 ppm?

Which choice is one of the suspected carcinogens by-products from water chlorination called THMs?

In the equation below,what is the meaning of the asterisk? O + O2 → O3*

Sulfur dioxide is not released into the atmosphere in any significant amount by ________.

The three most concentrated ions in seawater are ________.

The majority of ozone that protects against the high energy radiation of the sun is found in the ________.

What is the wavelength of a photon with just enough energy to break a (The bond energy of the is

The stratosphere contains approximately ________ of the earth's ozone.

Most fresh water in the U.S.is used for agriculture.

The brown color of photochemical smog over a city is mainly due to ________.

Carbon dioxide contributes to atmospheric warming by ________.

A single individual typically uses the greatest quantity of water for ________.

Ozone is a necessary,protective component of the ________,but is considered a pollutant in the ________.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

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

In the equation below,what is the meaning of the asterisk? O + O₂ → O₃*

Ozone is a necessary,protective component of the ,but is considered a pollutant in the .