Question 1

Each circle is a sample of an aqueous acidic or basic solution. Which of the solutions contains a weak acid?

Accepted Answer

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

Question 2

The neutralization reaction of potassium hydrogen carbonate (KHCO3) and HI produces what spectator ion?

Accepted Answer

A)  CO2 
B)  KI 
C)  H2CO3 
D)  H2O 
E)  H+ 
A)  CO2 
B)  KI 
C)  H2CO3 
D)  H2O 
E)  H+

Question 3

Which of the following types of molecules and ions is NOT a base?

Accepted Answer

A)  an anion 
B)  a cation 
C)  a neutral molecule containing a nonbonding pair of electrons 
D)  a tertiary nitrogen 
E)  All of these are bases. 
A)  an anion 
B)  a cation 
C)  a neutral molecule containing a nonbonding pair of electrons 
D)  a tertiary nitrogen 
E)  All of these are bases.

Question 4

When a base is dissolved in water, it reacts to give _________ and ________.

Accepted Answer

A)  hydroxide; hydronium 
B)  hydronium; the conjugate acid 
C)  hydroxide; the conjugate acid 
D)  hydronium; the conjugate base 
E)  hydroxide; the conjugate base 
A)  hydroxide; hydronium 
B)  hydronium; the conjugate acid 
C)  hydroxide; the conjugate acid 
D)  hydronium; the conjugate base 
E)  hydroxide; the conjugate base

Question 5

Which of the following statements best describes what happens when an acid reacts with water? I. The acid donates a proton.
II. Water donates a proton.
III. Water acts as a base.
IV. Hydronium is formed.
V. Hydroxide is formed.

Accepted Answer

A)  I only 
B)  II only 
C)  I, III, and V 
D)  I, III, and IV 
E)  II and V 
A)  I only 
B)  II only 
C)  I, III, and V 
D)  I, III, and IV 
E)  II and V

Question 6

The following figure illustrates the action of a HF and FF1F1F1S1F1F1F10 buffer where the sizes of the boxes are proportional to the concentrations of HF and FF1F1F1S1F1F1F10 in solution. According to this figure, what happens when H3O+ is added to the HF/FF1F1F1S1F1F1F10 buffer?

Accepted Answer

A)  The pH decreases. 
B)  The pH increases. 
C)  The concentration of HF increases. 
D)  The concentration of FF1F1F1S1F1F1F10 increases. 
E)  Nothing happens. 
A)  The pH decreases. 
B)  The pH increases. 
C)  The concentration of HF increases. 
D)  The concentration of FF1F1F1S1F1F1F10 increases. 
E)  Nothing happens.

Question 7

Which of the following conditions could cause respiratory acidosis?

Accepted Answer

A)  hyperventilation 
B)  asthma 
C)  kidney failure 
D)  excessive vomiting 
E)  starvation 
A)  hyperventilation 
B)  asthma 
C)  kidney failure 
D)  excessive vomiting 
E)  starvation

Question 8

Water can react as both an acid and a base, depending on its environment. Because of this characteristic, water is a(n) _________ molecule.

Accepted Answer

A)  amphoteric 
B)  autonomous 
C)  complex 
D)  reactive 
E)  conjugated 
A)  amphoteric 
B)  autonomous 
C)  complex 
D)  reactive 
E)  conjugated

Question 9

In the acid-base reaction between ammonia and water, which bond is broken in order to give ammonium and hydroxide?

Accepted Answer

A)  H-H 
B)  N-O 
C)  N-H 
D)  O-H 
E)  All of the above 
A)  H-H 
B)  N-O 
C)  N-H 
D)  O-H 
E)  All of the above

Question 10

What is the pH of a solution with a [F1F1F1S1F1F1F10OH ] of 1.0 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1010 M?

Accepted Answer

A)  "1.0 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1010" 
B)  "10.0" 
C)  "4.00" 
D)  "F1F1F1S1F1F1F1010.0" 
E)  "F1F1F1S1F1F1F104.00" 
A)  "1.0 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1010" 
B)  "10.0" 
C)  "4.00" 
D)  "F1F1F1S1F1F1F1010.0" 
E)  "F1F1F1S1F1F1F104.00"

Question 11

Which of the following acids is not a strong acid?

Accepted Answer

A)  HCl 
B)  HI 
C)  HNO3 
D)  CH3COOH 
E)  H2SO4 
A)  HCl 
B)  HI 
C)  HNO3 
D)  CH3COOH 
E)  H2SO4

Question 12

Which of the statements best describes the following reaction? HCOOH + H2O   HCOOF1F1F1S1F1F1F10 + H3O+

Accepted Answer

A)  This reaction is the dissociation of a strong acid. 
B)  This reaction is the dissociation of a weak acid. 
C)  This is the reaction of a strong base. 
D)  This is the reaction of a weak base. 
E)  This is not an acid-base reaction. 
A)  This reaction is the dissociation of a strong acid. 
B)  This reaction is the dissociation of a weak acid. 
C)  This is the reaction of a strong base. 
D)  This is the reaction of a weak base. 
E)  This is not an acid-base reaction.

Question 13

What do all bases have in common?

Accepted Answer

A)  They contain an -OH group. 
B)  They contain a nitrogen. 
C)  They contain an oxygen. 
D)  They are salts. 
E)  They contain a nonbonding pair of electrons. 
A)  They contain an -OH group. 
B)  They contain a nitrogen. 
C)  They contain an oxygen. 
D)  They are salts. 
E)  They contain a nonbonding pair of electrons.

Question 14

What is the pH of a urine sample with a hydronium concentration of 7.9 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F108?

Accepted Answer

A)  "F1F1F1S1F1F1F107.10" 
B)  "7.10" 
C)  "6.90" 
D)  "F1F1F1S1F1F1F106.90" 
E)  "7.00" 
A)  "F1F1F1S1F1F1F107.10" 
B)  "7.10" 
C)  "6.90" 
D)  "F1F1F1S1F1F1F106.90" 
E)  "7.00"

Question 15

Lidocaine, a common injectable dental anesthetic, is available as a 1% lidocaine-HCl solution, as shown on the following drug label. Lidocaine-HCl is a(n)

Accepted Answer

A)  weak acid. 
B)  base. 
C)  salt. 
D)  strong acid. 
E)  unstable molecule. 
A)  weak acid. 
B)  base. 
C)  salt. 
D)  strong acid. 
E)  unstable molecule.

Question 16

In the body, ethylene glycol (antifreeze) is metabolized to a(n)

Accepted Answer

A)  hydrocarbon. 
B)  diol. 
C)  ether. 
D)  toxic organic acid. 
E)  Ethylene glycol is not metabolized. 
A)  hydrocarbon. 
B)  diol. 
C)  ether. 
D)  toxic organic acid. 
E)  Ethylene glycol is not metabolized.

Question 17

The neutralization reaction of potassium hydrogen carbonate (KHCO3) and HI produces what gas?

Accepted Answer

A)  CO2 
B)  O2 
C)  H2CO3 
D)  H2O 
E)  H+ 
A)  CO2 
B)  O2 
C)  H2CO3 
D)  H2O 
E)  H+

Question 18

Which of the following reactions best illustrates the reaction of an acid in aqueous solution?

Accepted Answer

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

Question 19

Which of the following is a balanced equation for a neutralization reaction?

Accepted Answer

A)  Al(OH)3(s) + HCl → 3 H2O + AlCl3(aq) 
B)  Mg(OH)2(s) + HNO3 → 2 H2O + Mg(NO3)2(aq) 
C)  Ca(OH)2(s) + HNO3 → 2 H2O + Ca(NO3)2(aq) 
D)  KOH(s) + HNO3 → H2O + KNO3(aq) 
E)  2 Al(OH)3(s) + HCl → 3 H2O + AlCl3(aq) 
A)  Al(OH)3(s) + HCl → 3 H2O + AlCl3(aq) 
B)  Mg(OH)2(s) + HNO3 → 2 H2O + Mg(NO3)2(aq) 
C)  Ca(OH)2(s) + HNO3 → 2 H2O + Ca(NO3)2(aq) 
D)  KOH(s) + HNO3 → H2O + KNO3(aq) 
E)  2 Al(OH)3(s) + HCl → 3 H2O + AlCl3(aq)

Question 20

When a person hyperventilates, they breathe very quickly, exhaling CO2 more quickly than it can be produced. This reduces the concentration of CO2 in the blood. According to the chemical equation below and LeChatelier's principle, how is the bicarbonate equilibrium affected by the reduction of CO2 in the blood?

Accepted Answer

A)  The equilibrium is unchanged. 
B)  More H3O+ is produced. 
C)  The equilibrium is shifted to the right. 
D)  The H3O+ concentration decreases. 
E)  More HCO3F1F1F1S1F1F1F10 is produced. 
A)  The equilibrium is unchanged. 
B)  More H3O+ is produced. 
C)  The equilibrium is shifted to the right. 
D)  The H3O+ concentration decreases. 
E)  More HCO3F1F1F1S1F1F1F10 is produced.

Each circle is a sample of an aqueous acidic or basic solution. Which of the solutions contains a weak acid?

The neutralization reaction of potassium hydrogen carbonate (KHCO₃) and HI produces what spectator ion?

Which of the following types of molecules and ions is NOT a base?

When a base is dissolved in water, it reacts to give _ and .

Which of the following statements best describes what happens when an acid reacts with water? I. The acid donates a proton. II. Water donates a proton. III. Water acts as a base. IV. Hydronium is formed. V. Hydroxide is formed.

The following figure illustrates the action of a HF and F^ buffer where the sizes of the boxes are proportional to the concentrations of HF and F^ in solution. According to this figure, what happens when H₃O⁺ is added to the HF/F^ buffer?

Which of the following conditions could cause respiratory acidosis?

Water can react as both an acid and a base, depending on its environment. Because of this characteristic, water is a(n) _________ molecule.

In the acid-base reaction between ammonia and water, which bond is broken in order to give ammonium and hydroxide?

What is the pH of a solution with a [^OH] of 1.0  10^¹⁰ M?

Which of the following acids is not a strong acid?

Which of the statements best describes the following reaction? HCOOH + H₂O HCOO^ + H₃O⁺

What do all bases have in common?

What is the pH of a urine sample with a hydronium concentration of 7.9  10^⁸?

Lidocaine, a common injectable dental anesthetic, is available as a 1% lidocaine-HCl solution, as shown on the following drug label. Lidocaine-HCl is a(n)

In the body, ethylene glycol (antifreeze) is metabolized to a(n)

The neutralization reaction of potassium hydrogen carbonate (KHCO₃) and HI produces what gas?

Which of the following reactions best illustrates the reaction of an acid in aqueous solution?

Which of the following is a balanced equation for a neutralization reaction?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 9: Acids and Bases

Each circle is a sample of an aqueous acidic or basic solution. Which of the solutions contains a weak acid?

The neutralization reaction of potassium hydrogen carbonate (KHCO3) and HI produces what spectator ion?

Which of the following types of molecules and ions is NOT a base?

When a base is dissolved in water, it reacts to give _________ and ________.

Which of the following statements best describes what happens when an acid reacts with water? I. The acid donates a proton. II. Water donates a proton. III. Water acts as a base. IV. Hydronium is formed. V. Hydroxide is formed.

The following figure illustrates the action of a HF and F buffer where the sizes of the boxes are proportional to the concentrations of HF and F in solution. According to this figure, what happens when H3O+ is added to the HF/F buffer?

Which of the following conditions could cause respiratory acidosis?

Water can react as both an acid and a base, depending on its environment. Because of this characteristic, water is a(n) _________ molecule.

In the acid-base reaction between ammonia and water, which bond is broken in order to give ammonium and hydroxide?

What is the pH of a solution with a [OH ] of 1.0  1010 M?

Which of the following acids is not a strong acid?

Which of the statements best describes the following reaction? HCOOH + H2O HCOO + H3O+

What do all bases have in common?

What is the pH of a urine sample with a hydronium concentration of 7.9  108?

Lidocaine, a common injectable dental anesthetic, is available as a 1% lidocaine-HCl solution, as shown on the following drug label. Lidocaine-HCl is a(n)

In the body, ethylene glycol (antifreeze) is metabolized to a(n)

The neutralization reaction of potassium hydrogen carbonate (KHCO3) and HI produces what gas?

Which of the following reactions best illustrates the reaction of an acid in aqueous solution?

Which of the following is a balanced equation for a neutralization reaction?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

The neutralization reaction of potassium hydrogen carbonate (KHCO₃) and HI produces what spectator ion?

When a base is dissolved in water, it reacts to give _ and .

The following figure illustrates the action of a HF and F^ buffer where the sizes of the boxes are proportional to the concentrations of HF and F^ in solution. According to this figure, what happens when H₃O⁺ is added to the HF/F^ buffer?

What is the pH of a solution with a [^OH] of 1.0  10^¹⁰ M?

Which of the statements best describes the following reaction? HCOOH + H₂O HCOO^ + H₃O⁺

What is the pH of a urine sample with a hydronium concentration of 7.9  10^⁸?

The neutralization reaction of potassium hydrogen carbonate (KHCO₃) and HI produces what gas?