Question 1

Soil nitrification refers to which process?

Accepted Answer

A) conversion of NO to NO2 
B) conversion of nitrogen oxides to nitric acid 
C) conversion of N2 to NO2¯ 
D) conversion of NH4+to NO3¯ 
A) conversion of NO to NO2 
B) conversion of nitrogen oxides to nitric acid 
C) conversion of N2 to NO2¯ 
D) conversion of NH4+to NO3¯ D

Question 2

Which of the following is not carried out by bacteria in soil?

Accepted Answer

A) Atmospheric nitrogen is fixed in soils. 
B) Ammonium is converted into nitrites. 
C) Nitrites are converted to nitrates. 
D) All of these are carried out by bacteria. 
A) Atmospheric nitrogen is fixed in soils. 
B) Ammonium is converted into nitrites. 
C) Nitrites are converted to nitrates. 
D) All of these are carried out by bacteria. D

Question 3

The formation of nitric oxide (NO,a precursor to nitric acid)from oxygen and nitrogen is ordinarily a very slow process.What accounts for its more rapid formation in automobile exhaust?

Accepted Answer

A) the extreme conditions involved in gasoline combustion 
B) the presence of nitrogen compounds in gasoline 
C) catalysts present in fuel that facilitate its formation 
D) well-designed catalytic converters 
A) the extreme conditions involved in gasoline combustion 
B) the presence of nitrogen compounds in gasoline 
C) catalysts present in fuel that facilitate its formation 
D) well-designed catalytic converters A

Question 4

Sulfur oxides have been implicated as important contributors to the problem of acid rain.What is the principal anthropogenic source of these compounds?

Accepted Answer

A) transportation 
B) coal fired power plants 
C) lightning 
D) volcanoes 
A) transportation 
B) coal fired power plants 
C) lightning 
D) volcanoes

Question 5

What is the concentration of hydroxide ions in an aqueous solution containing [H+] = 1 x 10-5 M?

Accepted Answer

A) 1 x 10-5 M 
B) 1 x 10-7 M 
C) 1 x 10-9 M 
D) 1 x 10-14 M 
A) 1 x 10-5 M 
B) 1 x 10-7 M 
C) 1 x 10-9 M 
D) 1 x 10-14 M

Question 6

The pH of lemon juice is approximately 2.40.At this pH,the hydronium ion concentration is closest to which concentration?

Accepted Answer

A) 2.5 × 10¯12 M 
B) 4.0 × 10¯3 M 
C) 0.38 M 
D) 5.6 × 10¯4 M 
A) 2.5 × 10¯12 M 
B) 4.0 × 10¯3 M 
C) 0.38 M 
D) 5.6 × 10¯4 M

Question 7

The hydronium ion concentration in a solution with pH 10 is __________ than the hydronium ion concentration in a solution with pH 13.

Accepted Answer

A) 1,000 times less 
B) 3 times greater 
C) 1,000 times greater 
D) 100 times less 
A) 1,000 times less 
B) 3 times greater 
C) 1,000 times greater 
D) 100 times less

Question 8

Which of the following is a weak base?

Accepted Answer

A) HCl 
B) NaOH 
C) NH3 
D) LiOH 
A) HCl 
B) NaOH 
C) NH3 
D) LiOH

Question 9

Which concentration is consistent with a basic solution?

Accepted Answer

A) MH+ = 3.2 × 10¯3 M 
B) MOH- = 3.6 × 10¯9 M 
C) MH+ = 9.7 × 10¯4 M 
D) MOH- = 3.4 × 10¯3 M 
A) MH+ = 3.2 × 10¯3 M 
B) MOH- = 3.6 × 10¯9 M 
C) MH+ = 9.7 × 10¯4 M 
D) MOH- = 3.4 × 10¯3 M

Question 10

Predict the products of this reaction: KOH + HNO3 →

Accepted Answer

A) KNO3 + H2O 
B) KNO2 + H2O2 
C) KH + HNO4 
D) KO4 + H2N 
A) KNO3 + H2O 
B) KNO2 + H2O2 
C) KH + HNO4 
D) KO4 + H2N

Question 11

The ocean has an acidic pH due to carbon dioxide emissions.

Accepted Answer

A) True 
 B)False

Question 12

The production of nickel and copper metals from their ores involves sulfur dioxide emissions because

Accepted Answer

A) the ores of these elements are composed primarily of NiSO2 and CuSO2. 
B) the ores of these elements are composed primarily of NiS and CuS. 
C) to release the metals from their ores,the ores are heated with sulfur-containing coal. 
D) the release of metals from their ores involves the reaction of SO3 with the ore. 
A) the ores of these elements are composed primarily of NiSO2 and CuSO2. 
B) the ores of these elements are composed primarily of NiS and CuS. 
C) to release the metals from their ores,the ores are heated with sulfur-containing coal. 
D) the release of metals from their ores involves the reaction of SO3 with the ore.

Question 13

Which reaction accounts for the fact that the pH of rain is naturally slightly acidic?

Accepted Answer

A) CO2 + H2O → H+ + HCO3¯ 
B) SO3 + H2O → 2 H+ + SO42¯ 
C) Ca2+ + CO2 + H2O → CaCO3 + 2 H+ 
D) NO2 + H2O → 2 H+ + NO3¯ 
A) CO2 + H2O → H+ + HCO3¯ 
B) SO3 + H2O → 2 H+ + SO42¯ 
C) Ca2+ + CO2 + H2O → CaCO3 + 2 H+ 
D) NO2 + H2O → 2 H+ + NO3¯

Question 14

Which reaction illustrates how acid rain causes the decomposition of marble monuments?

Accepted Answer

A) Ca(OH)2 + H2+ → Ca2+ + 2 H2O 
B) CaCO3 + 2 H+ → Ca2+ + CO2 + H2O 
C) 4 Fe2+ + O2 + 4 H2O → 2 Fe2O3 + 8 H+ 
D) Ca(OH)2 + 2 H2O → CaO22¯ + 2 H3O+ 
A) Ca(OH)2 + H2+ → Ca2+ + 2 H2O 
B) CaCO3 + 2 H+ → Ca2+ + CO2 + H2O 
C) 4 Fe2+ + O2 + 4 H2O → 2 Fe2O3 + 8 H+ 
D) Ca(OH)2 + 2 H2O → CaO22¯ + 2 H3O+

Question 15

What is the source of the nitrogen in the NOx emitted from fossil fuel combustion?

Accepted Answer

A) the atmosphere 
B) coal 
C) natural gas 
D) oil 
A) the atmosphere 
B) coal 
C) natural gas 
D) oil

Question 16

Bases produce which ions in aqueous solution?

Accepted Answer

A) OH¯ 
B) NO2¯ 
C) Cl¯ 
D) SO3¯ 
A) OH¯ 
B) NO2¯ 
C) Cl¯ 
D) SO3¯

Question 17

Lakes surrounded by ______ have very little acid-neutralizing capacity.
I.marble
II.granite
III.limestone

Accepted Answer

A) I only 
B) II only 
C) I and III only 
D) II and III only 
A) I only 
B) II only 
C) I and III only 
D) II and III only

Question 18

The primary product of the combustion of sulfur is:

Accepted Answer

A) H2S 
B) H2SO4 
C) H2SO3 
D) SO2 
A) H2S 
B) H2SO4 
C) H2SO3 
D) SO2

Question 19

What is the current expert consensus concerning the role of acid rain on the health of forests?

Accepted Answer

A) Acid rain is indisputably responsible for the declining health of many forests. 
B) Acid rain is not responsible for any of the decline observed in many forests. 
C) Acid rain weakens trees and the surrounding soil,leaving them susceptible to disease and insects. 
D) There is not sufficient evidence that acid rain has caused an appreciable decline in the health of any forests. 
A) Acid rain is indisputably responsible for the declining health of many forests. 
B) Acid rain is not responsible for any of the decline observed in many forests. 
C) Acid rain weakens trees and the surrounding soil,leaving them susceptible to disease and insects. 
D) There is not sufficient evidence that acid rain has caused an appreciable decline in the health of any forests.

Question 20

When dissolved in water,hydrogen bromide (HBr)forms hydrobromic acid.Determine the hydroxide ion concentration in a 4,500 mL solution containing 3.78 g hydrogen bromide;Kw = 1.00 × 10¯14.

Accepted Answer

A) [OH¯] = 9.63 × 10¯13 M 
B) [OH¯] = 2.14 × 10¯13 M 
C) [OH¯] = 4.67 × 10¯2 M 
D) [OH¯] = 0.0104 M 
A) [OH¯] = 9.63 × 10¯13 M 
B) [OH¯] = 2.14 × 10¯13 M 
C) [OH¯] = 4.67 × 10¯2 M 
D) [OH¯] = 0.0104 M

Soil nitrification refers to which process?

Which of the following is not carried out by bacteria in soil?

The formation of nitric oxide (NO,a precursor to nitric acid)from oxygen and nitrogen is ordinarily a very slow process.What accounts for its more rapid formation in automobile exhaust?

Sulfur oxides have been implicated as important contributors to the problem of acid rain.What is the principal anthropogenic source of these compounds?

What is the concentration of hydroxide ions in an aqueous solution containing [H⁺] = 1 x 10^-5 M?

The pH of lemon juice is approximately 2.40.At this pH,the hydronium ion concentration is closest to which concentration?

The hydronium ion concentration in a solution with pH 10 is __________ than the hydronium ion concentration in a solution with pH 13.

Which of the following is a weak base?

Which concentration is consistent with a basic solution?

Predict the products of this reaction: KOH + HNO₃ →

The ocean has an acidic pH due to carbon dioxide emissions.

The production of nickel and copper metals from their ores involves sulfur dioxide emissions because

Which reaction accounts for the fact that the pH of rain is naturally slightly acidic?

Which reaction illustrates how acid rain causes the decomposition of marble monuments?

What is the source of the nitrogen in the NO_x emitted from fossil fuel combustion?

Bases produce which ions in aqueous solution?

Lakes surrounded by ______ have very little acid-neutralizing capacity. I.marble II.granite III.limestone

The primary product of the combustion of sulfur is:

What is the current expert consensus concerning the role of acid rain on the health of forests?

When dissolved in water,hydrogen bromide (HBr)forms hydrobromic acid.Determine the hydroxide ion concentration in a 4,500 mL solution containing 3.78 g hydrogen bromide;K_w = 1.00 × 10¯¹⁴.

The Air We Breathe

Protecting the Ozone Layer

The Chemistry of Global Climate Change

Energy From Combustion

Water for Life

The Fires of Nuclear Fission

Energy From Electron Transfer

The World of Polymers and Plastics

Manipulating Molecules and Designing Drugs

Nutrition: Food for Thought

Genetic Engineering and the Molecules of Life

Filters

Exam 6: Neutralizing the Threat of Acid Rain

Soil nitrification refers to which process?

Which of the following is not carried out by bacteria in soil?

The formation of nitric oxide (NO,a precursor to nitric acid)from oxygen and nitrogen is ordinarily a very slow process.What accounts for its more rapid formation in automobile exhaust?

Sulfur oxides have been implicated as important contributors to the problem of acid rain.What is the principal anthropogenic source of these compounds?

What is the concentration of hydroxide ions in an aqueous solution containing [H+] = 1 x 10-5 M?

The pH of lemon juice is approximately 2.40.At this pH,the hydronium ion concentration is closest to which concentration?

The hydronium ion concentration in a solution with pH 10 is __________ than the hydronium ion concentration in a solution with pH 13.

Which of the following is a weak base?

Which concentration is consistent with a basic solution?

Predict the products of this reaction: KOH + HNO3 →

The ocean has an acidic pH due to carbon dioxide emissions.

The production of nickel and copper metals from their ores involves sulfur dioxide emissions because

Which reaction accounts for the fact that the pH of rain is naturally slightly acidic?

Which reaction illustrates how acid rain causes the decomposition of marble monuments?

What is the source of the nitrogen in the NOx emitted from fossil fuel combustion?

Bases produce which ions in aqueous solution?

Lakes surrounded by ______ have very little acid-neutralizing capacity. I.marble II.granite III.limestone

The primary product of the combustion of sulfur is:

What is the current expert consensus concerning the role of acid rain on the health of forests?

When dissolved in water,hydrogen bromide (HBr)forms hydrobromic acid.Determine the hydroxide ion concentration in a 4,500 mL solution containing 3.78 g hydrogen bromide;Kw = 1.00 × 10¯14.

The Air We Breathe

Protecting the Ozone Layer

The Chemistry of Global Climate Change

Energy From Combustion

Water for Life

The Fires of Nuclear Fission

Energy From Electron Transfer

The World of Polymers and Plastics

Manipulating Molecules and Designing Drugs

Nutrition: Food for Thought

Genetic Engineering and the Molecules of Life

Filters

What is the concentration of hydroxide ions in an aqueous solution containing [H⁺] = 1 x 10^-5 M?

Predict the products of this reaction: KOH + HNO₃ →

What is the source of the nitrogen in the NO_x emitted from fossil fuel combustion?

When dissolved in water,hydrogen bromide (HBr)forms hydrobromic acid.Determine the hydroxide ion concentration in a 4,500 mL solution containing 3.78 g hydrogen bromide;K_w = 1.00 × 10¯¹⁴.