Question 1

Non-biodegradable organic compounds (such as chlorinated hydrocarbons) are removed in

Accepted Answer

A)  tertiary treatment 
B)  secondary treatment 
C)  primary treatment 
D)  denitrifying bacteria 
A)  tertiary treatment 
B)  secondary treatment 
C)  primary treatment 
D)  denitrifying bacteria A

Question 2

Which of the following pollutants does not contribute to acid rain?

Accepted Answer

A)  SO2 
B)  NO2 
C)  CO2 
D)  O3 
A)  SO2 
B)  NO2 
C)  CO2 
D)  O3 D

Question 3

In what part of the United States is acid rain particularly prevalent?

Accepted Answer

A)  northeast 
B)  southwest 
C)  northwest 
D)  central plains 
A)  northeast 
B)  southwest 
C)  northwest 
D)  central plains A

Question 4

Identify the exothermic process

Accepted Answer

A)  wood burning 
B)  boiling water 
C)  melting ice 
D)  ($\Delta$H) = 100 cal 
A)  wood burning 
B)  boiling water 
C)  melting ice 
D)  ($\Delta$H) = 100 cal

Question 5

How much heat is released when 10 g of steam at 100$\degree$C is cooled to 10 g of liquid water at 100$\degree$C?

Accepted Answer

A)  5400 cal 
B)  6200 cal 
C)  800 cal 
D)  10 cal 
A)  5400 cal 
B)  6200 cal 
C)  800 cal 
D)  10 cal

Question 6

Of the 2.5% fresh water supply, what amount is available as groundwater or surface water for human use?

Accepted Answer

A)  100% 
B)  97.5% 
C)  2.5% 
D)  less than 1% 
A)  100% 
B)  97.5% 
C)  2.5% 
D)  less than 1%

Question 7

What substances are used to disinfect water?

Accepted Answer

A)  hydrogen peroxide and ammonia 
B)  ozone and chlorine 
C)  organic peroxides 
D)  inorganic acids 
A)  hydrogen peroxide and ammonia 
B)  ozone and chlorine 
C)  organic peroxides 
D)  inorganic acids

Question 8

Which type of industrial product listed below probably does not contribute to hazardous waste problems?

Accepted Answer

A)  petroleum refining 
B)  plastics manufacturing 
C)  paint making 
D)  all of these probably contribute 
A)  petroleum refining 
B)  plastics manufacturing 
C)  paint making 
D)  all of these probably contribute

Question 9

The average number of gallons of water used per person per day in the United States is roughly

Accepted Answer

A)  20 
B)  40 
C)  60 
D)  91 
A)  20 
B)  40 
C)  60 
D)  91

Question 10

Identify the endothermic process

Accepted Answer

A)  water condensing 
B)  ($\Delta$H) = -500 cal 
C)  freezing water 
D)  sublimation of dry ice 
A)  water condensing 
B)  ($\Delta$H) = -500 cal 
C)  freezing water 
D)  sublimation of dry ice

Question 11

How much heat is required to convert 75 g of ice from 0°C to liquid water at 90°C?

Accepted Answer

A)  90 cal 
B)  6000 cal 
C)  6750 cal 
D)  12750 cal 
A)  90 cal 
B)  6000 cal 
C)  6750 cal 
D)  12750 cal

Question 12

Fertilizers such as nitrates and phosphates are examples of what type of pollutant?

Accepted Answer

A)  minerals and chemicals 
B)  infectious agents 
C)  plant nutrients 
D)  oxygen-demanding wastes 
A)  minerals and chemicals 
B)  infectious agents 
C)  plant nutrients 
D)  oxygen-demanding wastes

Question 13

Two acids found in acid rain are

Accepted Answer

A)  nitric acid and phosphoric acid 
B)  sulfuric acid and nitric acid 
C)  phosphoric acid and sulfuric acid 
D)  carbonic acid and acetic acid 
A)  nitric acid and phosphoric acid 
B)  sulfuric acid and nitric acid 
C)  phosphoric acid and sulfuric acid 
D)  carbonic acid and acetic acid

Question 14

Primary wastewater treatment copies two of nature's purification methods.Which two?

Accepted Answer

A)  distillation and crystallization 
B)  settling and filtration 
C)  aeration and chlorination 
D)  oxidation and dilution 
A)  distillation and crystallization 
B)  settling and filtration 
C)  aeration and chlorination 
D)  oxidation and dilution

Question 15

The lime-soda treatment of water might introduce too much of this ion in drinking water

Accepted Answer

A)  Na+ 
B)  Ca2+ 
C)  Mg2+ 
D)  Fe3+ 
A)  Na+ 
B)  Ca2+ 
C)  Mg2+ 
D)  Fe3+

Question 16

What physical state is water found under normal conditions that exist on Earth?

Accepted Answer

A)  solid 
B)  liquid 
C)  gas 
D)  all the above 
A)  solid 
B)  liquid 
C)  gas 
D)  all the above

Question 17

Oxygen

Accepted Answer

A)  is more soluble in warm water than in cold water 
B)  is not required to metabolize organic material in water 
C)  does not react with water pollutants 
D)  is more soluble in cold water than in warm water 
A)  is more soluble in warm water than in cold water 
B)  is not required to metabolize organic material in water 
C)  does not react with water pollutants 
D)  is more soluble in cold water than in warm water

Question 18

Which ions are associated with hard water?

Accepted Answer

A)  Na+ and NH4+ 
B)  Mg2+ and Ca2+ 
C)  K+ and Cl- 
D)  Pb2+ and Zn2+ 
A)  Na+ and NH4+ 
B)  Mg2+ and Ca2+ 
C)  K+ and Cl- 
D)  Pb2+ and Zn2+

Question 19

How much heat is required to heat 25 g of liquid water from 20$\degree$C to 100$\degree$C?

Accepted Answer

A)  25 cal 
B)  1000 cal 
C)  2000 cal 
D)  13500 cal 
A)  25 cal 
B)  1000 cal 
C)  2000 cal 
D)  13500 cal

Question 20

What common household hazardous waste is not correctly associated with the harmful ingredient?

Accepted Answer

A)  gasoline - organic solvents 
B)  nail polish remover - organic solvents 
C)  bathroom cleaners - wax and heavy metals 
D)  latex paint - organic polymers 
A)  gasoline - organic solvents 
B)  nail polish remover - organic solvents 
C)  bathroom cleaners - wax and heavy metals 
D)  latex paint - organic polymers

Non-biodegradable organic compounds (such as chlorinated hydrocarbons) are removed in

Which of the following pollutants does not contribute to acid rain?

In what part of the United States is acid rain particularly prevalent?

Identify the exothermic process

How much heat is released when 10 g of steam at 100 $\degree$ C is cooled to 10 g of liquid water at 100 $\degree$ C?

Of the 2.5% fresh water supply, what amount is available as groundwater or surface water for human use?

What substances are used to disinfect water?

Which type of industrial product listed below probably does not contribute to hazardous waste problems?

The average number of gallons of water used per person per day in the United States is roughly

Identify the endothermic process

How much heat is required to convert 75 g of ice from 0°C to liquid water at 90°C?

Fertilizers such as nitrates and phosphates are examples of what type of pollutant?

Two acids found in acid rain are

Primary wastewater treatment copies two of nature's purification methods.Which two?

The lime-soda treatment of water might introduce too much of this ion in drinking water

What physical state is water found under normal conditions that exist on Earth?

Oxygen

Which ions are associated with hard water?

How much heat is required to heat 25 g of liquid water from 20 $\degree$ C to 100 $\degree$ C?

What common household hazardous waste is not correctly associated with the harmful ingredient?

Living in a World of Chemistry

The Chemical View of Matter

Atoms and the Periodic Table

The Air We Breathe

Chemical Bonding and States of Matter

Carbon Dioxide and the Greenhouse Effect

Chlorofluorocarbons and the Ozone Layer

Chemical Reactivity: Chemicals in Action

Acid-Base Reactions

Oxidation-Reduction Reactions

Energy and Hydrocarbons

Nuclear Changes and Nuclear Power

Organic Chemicals and Polymers

The Chemistry of Life

Nutrition: the Basis of Healthy Living

Chemistry and Medicine

The Chemistry of Useful Materials

Filters

Exam 11: Water, Water Everywhere but Not a Drop to Drink

Non-biodegradable organic compounds (such as chlorinated hydrocarbons) are removed in

Which of the following pollutants does not contribute to acid rain?

In what part of the United States is acid rain particularly prevalent?

Identify the exothermic process

How much heat is released when 10 g of steam at 100 °\degree° C is cooled to 10 g of liquid water at 100 °\degree° C?

Of the 2.5% fresh water supply, what amount is available as groundwater or surface water for human use?

What substances are used to disinfect water?

Which type of industrial product listed below probably does not contribute to hazardous waste problems?

The average number of gallons of water used per person per day in the United States is roughly

Identify the endothermic process

How much heat is required to convert 75 g of ice from 0°C to liquid water at 90°C?

Fertilizers such as nitrates and phosphates are examples of what type of pollutant?

Two acids found in acid rain are

Primary wastewater treatment copies two of nature's purification methods.Which two?

The lime-soda treatment of water might introduce too much of this ion in drinking water

What physical state is water found under normal conditions that exist on Earth?

Oxygen

Which ions are associated with hard water?

How much heat is required to heat 25 g of liquid water from 20 °\degree° C to 100 °\degree° C?

What common household hazardous waste is not correctly associated with the harmful ingredient?

Living in a World of Chemistry

The Chemical View of Matter

Atoms and the Periodic Table

The Air We Breathe

Chemical Bonding and States of Matter

Carbon Dioxide and the Greenhouse Effect

Chlorofluorocarbons and the Ozone Layer

Chemical Reactivity: Chemicals in Action

Acid-Base Reactions

Oxidation-Reduction Reactions

Energy and Hydrocarbons

Nuclear Changes and Nuclear Power

Organic Chemicals and Polymers

The Chemistry of Life

Nutrition: the Basis of Healthy Living

Chemistry and Medicine

The Chemistry of Useful Materials

Filters

How much heat is released when 10 g of steam at 100 $\degree$ C is cooled to 10 g of liquid water at 100 $\degree$ C?

How much heat is required to heat 25 g of liquid water from 20 $\degree$ C to 100 $\degree$ C?