Question 1

Some salts isolated by evaporation retain water that is called

Accepted Answer

A)  water of hydration. 
B)  hydroxide. 
C)  hydronium. 
D)  crystallized water. 
A)  water of hydration. 
B)  hydroxide. 
C)  hydronium. 
D)  crystallized water. A

Question 2

Many cleaning agents contain bases because bases react with _____ .

Accepted Answer

A)  fats or oils 
B)  glass 
C)  salts 
D)  More than one response is correct. 
A)  fats or oils 
B)  glass 
C)  salts 
D)  More than one response is correct. A

Question 3

A 10-8 M solution of HCl is prepared.It would be expected to be _____.

Accepted Answer

A)  basic 
B)  acidic 
C)  neutral 
D)  insufficient information 
A)  basic 
B)  acidic 
C)  neutral 
D)  insufficient information B

Question 4

When an acid is analyzed by adding a measured quantity of base,the point at which all the acid has reacted is correctly called

Accepted Answer

A)  the equivalence point. 
B)  the neutral point. 
C)  the endpoint. 
D)  the analysis point. 
A)  the equivalence point. 
B)  the neutral point. 
C)  the endpoint. 
D)  the analysis point.

Question 5

When your liver detoxifies ethyl alcohol,the concentration of the hydrogen ion increases.This will result in

Accepted Answer

A)  respiratory acidosis. 
B)  metabolic acidosis. 
C)  respiratory alkalosis. 
D)  metabolic alkalosis. 
A)  respiratory acidosis. 
B)  metabolic acidosis. 
C)  respiratory alkalosis. 
D)  metabolic alkalosis.

Question 6

Which of the following substances could behave as an Arrhenius base?

Accepted Answer

A)  Na2CO3 
B)  Na3PO4 
C)  K2S 
D)  KOH 
A)  Na2CO3 
B)  Na3PO4 
C)  K2S 
D)  KOH

Question 7

During a field trip to study the problem of acid rain,you test one lake that had observed a major fish kill.It was found to have a pH of 5.37.What is the [H+]?

Accepted Answer

A)  2.3*-9 
B)  3.7*10-5 
C)  4.3*10-6 
D)  1.7*105 
A)  2.3*-9 
B)  3.7*10-5 
C)  4.3*10-6 
D)  1.7*105

Question 8

The buffer capacity is the amount of ____ that can be absorbed without causing significant changes in pH.

Accepted Answer

A)  acid 
B)  base 
C)  neither acid or base 
D)  either acid or base 
A)  acid 
B)  base 
C)  neither acid or base 
D)  either acid or base

Question 9

Gastroesophageal reflux disease (GERD)is the result of a malfunctioning muscle that allows stomach to enter the esophagus.

Accepted Answer

A) True 
 B)False

Question 10

To determine the number of equivalents of Al(NO3)3 in a 0.750 M solution,the conversion factor would be which of the following?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 11

It has been proposed that atmospheric CO2 could be reduced by absorption in to the Earth's oceans.Which of the following reactions would be involved?

Accepted Answer

A)  CO2 (g)+ H2O (l)
  H2CO3 (aq) 
B)  H2CO3 (aq)
  H+ (aq)+ HCO3- (aq) 
C)  HCO3- (aq)
  H+ (aq)+ CO32- (aq) 
D)  all of the above 
A)  CO2 (g)+ H2O (l)
  H2CO3 (aq) 
B)  H2CO3 (aq)
  H+ (aq)+ HCO3- (aq) 
C)  HCO3- (aq)
  H+ (aq)+ CO32- (aq) 
D)  all of the above

Question 12

Which of the following is present in pure water?

Accepted Answer

A)  H3O+ 
B)  OH- 
C)  H2O 
D)  all of them 
A)  H3O+ 
B)  OH- 
C)  H2O 
D)  all of them

Question 13

NaH2PO4 alone in a water solution could behave as a buffer.

Accepted Answer

A) True 
 B)False

Question 14

The dissociation reaction for the weak acid,H2PO3- would be which of the following?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 15

Sodium phosphate can be used as a driveway degreaser.When added to water,the following equilibrium is attained.Sodium phosphate is acting as a(n)______.
Na3PO4 (aq) + 3H2O (l)  
H3PO4 (aq)  + 3OH- (aq)

Accepted Answer

A)  Brønsted acid 
B)  Brønsted base 
C)  Arrhenius acid 
D)  Arrhenius base 
A)  Brønsted acid 
B)  Brønsted base 
C)  Arrhenius acid 
D)  Arrhenius base

Question 16

The pH of household ammonia is expected to be above 7 because household ammonia is NH4OH.

Accepted Answer

A) True 
 B)False

Question 17

The major difference between the Arrhenius Theory and the Brønsted Theory is that there is no hydrogen in the Brønsted Theory.

Accepted Answer

A) True 
 B)False

Question 18

The salt of a strong acid with a strong base could behave as a buffer.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following statements is true for neutral solutions in which water is the solvent?

Accepted Answer

A)  Neutral solutions contain no H3O+ ions. 
B)  Neutral solutions contain no OH- ions. 
C)  Neutral solutions contain H3O+ and OH- ions in equal concentrations. 
D)  More than one response is correct. 
A)  Neutral solutions contain no H3O+ ions. 
B)  Neutral solutions contain no OH- ions. 
C)  Neutral solutions contain H3O+ and OH- ions in equal concentrations. 
D)  More than one response is correct.

Question 20

A water solution is found to have a molar OH- concentration of 3.2 * 10-5.The solution would be classified as _____ .

Accepted Answer

A)  acidic 
B)  basic 
C)  neutral 
D)  can't be classified 
A)  acidic 
B)  basic 
C)  neutral 
D)  can't be classified

Exam 9: Acids,bases,and Salts

Some salts isolated by evaporation retain water that is called

Many cleaning agents contain bases because bases react with _____ .

A 10-8 M solution of HCl is prepared.It would be expected to be _____.

When an acid is analyzed by adding a measured quantity of base,the point at which all the acid has reacted is correctly called

When your liver detoxifies ethyl alcohol,the concentration of the hydrogen ion increases.This will result in

Which of the following substances could behave as an Arrhenius base?

During a field trip to study the problem of acid rain,you test one lake that had observed a major fish kill.It was found to have a pH of 5.37.What is the [H+]?

The buffer capacity is the amount of ____ that can be absorbed without causing significant changes in pH.

Gastroesophageal reflux disease (GERD)is the result of a malfunctioning muscle that allows stomach to enter the esophagus.

To determine the number of equivalents of Al(NO3)3 in a 0.750 M solution,the conversion factor would be which of the following?

It has been proposed that atmospheric CO2 could be reduced by absorption in to the Earth's oceans.Which of the following reactions would be involved?

Which of the following is present in pure water?

NaH2PO4 alone in a water solution could behave as a buffer.

The dissociation reaction for the weak acid,H2PO3- would be which of the following?

Sodium phosphate can be used as a driveway degreaser.When added to water,the following equilibrium is attained.Sodium phosphate is acting as a(n)______. Na3PO4 (aq) + 3H2O (l) H3PO4 (aq) + 3OH- (aq)

The pH of household ammonia is expected to be above 7 because household ammonia is NH4OH.

The major difference between the Arrhenius Theory and the Brønsted Theory is that there is no hydrogen in the Brønsted Theory.

The salt of a strong acid with a strong base could behave as a buffer.

Which of the following statements is true for neutral solutions in which water is the solvent?

A water solution is found to have a molar OH- concentration of 3.2 * 10-5.The solution would be classified as _____ .

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

A 10^-8 M solution of HCl is prepared.It would be expected to be _____.

During a field trip to study the problem of acid rain,you test one lake that had observed a major fish kill.It was found to have a pH of 5.37.What is the [H⁺]?

To determine the number of equivalents of Al(NO₃)₃ in a 0.750 M solution,the conversion factor would be which of the following?

It has been proposed that atmospheric CO₂ could be reduced by absorption in to the Earth's oceans.Which of the following reactions would be involved?

NaH₂PO₄ alone in a water solution could behave as a buffer.

The dissociation reaction for the weak acid,H₂PO₃^- would be which of the following?

Sodium phosphate can be used as a driveway degreaser.When added to water,the following equilibrium is attained.Sodium phosphate is acting as a(n)______. Na₃PO₄_(aq)+ 3H₂O _(l) H₃PO₄_(aq) + 3OH^-_(aq)

The pH of household ammonia is expected to be above 7 because household ammonia is NH₄OH.

A water solution is found to have a molar OH^- concentration of 3.2 * 10^-5.The solution would be classified as _____ .