Question 1

For a healthy individual, the pH of the blood in the veins is lower than in the arteries.

Accepted Answer

A) True 
 B)False  False

Question 2

Consider the following three buffer reactions.
Buffer 1: protein-HS1U1P1+S1S1P0 and protein
Buffer 2: HS1U1B12S1U1B0COS1U1B13S1U1B0 and HCOS1U1B13S1U1B0S1U1P1-S1S1P0
Buffer 3: HS1U1B12S1U1B0POS1U1B14S1U1B0S1U1P1-S1S1P0 and HPOS1U1B14S1U1B0S1U1P12-S1S1P0
Fill in the blank with the appropriate integer (1,2,or 3)to indicate the buffer system described.
-Buffer ______________________is involved in preventing blood pH fluctuations due to hypo- and hyperventilation.

Accepted Answer

2

Question 3

Very rapid breathing can lead to a condition know as respiratory acidosis.

Accepted Answer

A) True 
 B)False  False

Question 4

Which of the following solutions is the most alkaline?

Accepted Answer

A) coffee (pH 5.12) 
B) urine (pH 7.24) 
C) dishwasher detergent (pH 2.38) 
D) drain cleaner (pH 10.24) 
A) coffee (pH 5.12) 
B) urine (pH 7.24) 
C) dishwasher detergent (pH 2.38) 
D) drain cleaner (pH 10.24)

Question 5

Which of the following is most likely to be a base?

Accepted Answer

A) NaCl 
B) CH4 
C) CH3NH2 
D) H2C2O4 
A) NaCl 
B) CH4 
C) CH3NH2 
D) H2C2O4

Question 6

The range of breaths per minute, also known as respiratory rate, for a normal, healthy adult is 12-20 breaths per minute. A breathing rate of higher than this is termed hyperventilation.

Accepted Answer

A) True 
 B)False

Question 7

What is the pH of a solution prepared by dissolving 0.400 g of HCl in enough water to produce 300.0 mL of solution?

Accepted Answer

The answer of What is the pH of a solution...

Question 8

In a solution of phosphoric acid all of the following species are present. Which is the least abundant?
PO43-
H2PO4-
HPO42-

Accepted Answer

Question 9

The following is an accurate description of the ionization of HBr in water.

Accepted Answer

A) True 
 B)False

Question 10

Write the equation for the ionization of weak base hydrazine, N2H4, in water.

Accepted Answer

N₂H₄(aq)+ H₂O

Question 11

What is the pH of a solution prepared by dissolving 4.00 g of NaOH in enough water to produce 500.0 mL of solution?

Accepted Answer

The answer of What is the pH of a solution...

Question 12

H+, H3O+, and OH+ are different ways of representing the species that causes a solution to be acidic.

Accepted Answer

A) True 
 B)False

Question 13

The following represents the structure of a hydronium ion.

Accepted Answer

A) True 
 B)False

Question 14

Ascorbic acid (Vitamin C), H2C6H6O6, has a pKa of 4.10. A solution is 0.10 M in ascorbic acid and 0.20 M in sodium ascorbate, NaHC6H6O6. What is the approximate pH of the solution?

Accepted Answer

A) 4.10 
B) slightly less than 4.10 
C) slightly more than 4.10 
D) The solution will have a pH of exactly 7. 
A) 4.10 
B) slightly less than 4.10 
C) slightly more than 4.10 
D) The solution will have a pH of exactly 7.

Question 15

A sodium hydroxide solution has a pH of 12.40, what is the OH- concentration in this solution?

Accepted Answer

A) 4.0 × 101 M 
B) 4.0 × 10-13 M 
C) 2.5 × 10- 2 M 
D) 2.5 × 1012 M 
A) 4.0 × 101 M 
B) 4.0 × 10-13 M 
C) 2.5 × 10- 2 M 
D) 2.5 × 1012 M

Question 16

Which of the following is a cause of respiratory acidosis?

Accepted Answer

A) a poor diet 
B) hyperventilation 
C) hypoventilation 
D) intense exercise 
A) a poor diet 
B) hyperventilation 
C) hypoventilation 
D) intense exercise

Question 17

Write the equation for the ionization of the weak acid, formic acid, HCHO2, in water.

Accepted Answer

HCHO₂(aq)+

Question 18

Consider the image which depicts the reaction between CHS1U1B13S1U1B0COOH and HS1U1B12S1U1B0O. Reactants:
Products: 
 
If the composition of the equilibrium mixture is as represented below   
-CH3COOH is classified as

Accepted Answer

A) strong electrolyte 
B) weak electrolyte 
C) nonelectrolyte 
A) strong electrolyte 
B) weak electrolyte 
C) nonelectrolyte

Question 19

Consider the following three buffer reactions.
Buffer 1: protein-HS1U1P1+S1S1P0 and protein
Buffer 2: HS1U1B12S1U1B0COS1U1B13S1U1B0 and HCOS1U1B13S1U1B0S1U1P1-S1S1P0
Buffer 3: HS1U1B12S1U1B0POS1U1B14S1U1B0S1U1P1-S1S1P0 and HPOS1U1B14S1U1B0S1U1P12-S1S1P0
Fill in the blank with the appropriate integer (1,2,or 3)to indicate the buffer system described.
-Buffer 1 works in conjunction with buffer ____________________to regulate the pH of intracellular fluid.

Accepted Answer

The answer of Consider the following three buffer reactions.
Buffer 1:...

Question 20

Which of the following substances is amphiprotic?

Accepted Answer

A) HCO3- 
B) HPO43- 
C) H2PO4- 
D) All are amphiprotic. 
A) HCO3- 
B) HPO43- 
C) H2PO4- 
D) All are amphiprotic.

For a healthy individual, the pH of the blood in the veins is lower than in the arteries.

Very rapid breathing can lead to a condition know as respiratory acidosis.

Which of the following solutions is the most alkaline?

Which of the following is most likely to be a base?

The range of breaths per minute, also known as respiratory rate, for a normal, healthy adult is 12-20 breaths per minute. A breathing rate of higher than this is termed hyperventilation.

What is the pH of a solution prepared by dissolving 0.400 g of HCl in enough water to produce 300.0 mL of solution?

In a solution of phosphoric acid all of the following species are present. Which is the least abundant? PO₄^3- H₂PO₄^- HPO₄^2-

The following is an accurate description of the ionization of HBr in water.

Write the equation for the ionization of weak base hydrazine, N₂H₄, in water.

What is the pH of a solution prepared by dissolving 4.00 g of NaOH in enough water to produce 500.0 mL of solution?

H⁺, H₃O⁺, and OH⁺ are different ways of representing the species that causes a solution to be acidic.

The following represents the structure of a hydronium ion.

Ascorbic acid (Vitamin C), H₂C₆H₆O₆, has a pK_a of 4.10. A solution is 0.10 M in ascorbic acid and 0.20 M in sodium ascorbate, NaHC₆H₆O₆. What is the approximate pH of the solution?

A sodium hydroxide solution has a pH of 12.40, what is the OH^- concentration in this solution?

Which of the following is a cause of respiratory acidosis?

Write the equation for the ionization of the weak acid, formic acid, HCHO₂, in water.

Consider the image which depicts the reaction between CH₃COOH and H₂O. Reactants: Products: If the composition of the equilibrium mixture is as represented below -CH₃COOH is classified as

Which of the following substances is amphiprotic?

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Hydrocarbons: An Introduction to Organic Molecules

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Exam 7: Acids and Bases

For a healthy individual, the pH of the blood in the veins is lower than in the arteries.

Very rapid breathing can lead to a condition know as respiratory acidosis.

Which of the following solutions is the most alkaline?

Which of the following is most likely to be a base?

The range of breaths per minute, also known as respiratory rate, for a normal, healthy adult is 12-20 breaths per minute. A breathing rate of higher than this is termed hyperventilation.

What is the pH of a solution prepared by dissolving 0.400 g of HCl in enough water to produce 300.0 mL of solution?

In a solution of phosphoric acid all of the following species are present. Which is the least abundant? PO43- H2PO4- HPO42-

The following is an accurate description of the ionization of HBr in water.

Write the equation for the ionization of weak base hydrazine, N2H4, in water.

What is the pH of a solution prepared by dissolving 4.00 g of NaOH in enough water to produce 500.0 mL of solution?

H+, H3O+, and OH+ are different ways of representing the species that causes a solution to be acidic.

The following represents the structure of a hydronium ion.

Ascorbic acid (Vitamin C), H2C6H6O6, has a pKa of 4.10. A solution is 0.10 M in ascorbic acid and 0.20 M in sodium ascorbate, NaHC6H6O6. What is the approximate pH of the solution?

A sodium hydroxide solution has a pH of 12.40, what is the OH- concentration in this solution?

Which of the following is a cause of respiratory acidosis?

Write the equation for the ionization of the weak acid, formic acid, HCHO2, in water.

Consider the image which depicts the reaction between CH3COOH and H2O. Reactants: Products: If the composition of the equilibrium mixture is as represented below -CH3COOH is classified as

Which of the following substances is amphiprotic?

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Chemical Bonds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Nuclear Chemistry

Hydrocarbons: An Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

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In a solution of phosphoric acid all of the following species are present. Which is the least abundant? PO₄^3- H₂PO₄^- HPO₄^2-

Write the equation for the ionization of weak base hydrazine, N₂H₄, in water.

H⁺, H₃O⁺, and OH⁺ are different ways of representing the species that causes a solution to be acidic.

Ascorbic acid (Vitamin C), H₂C₆H₆O₆, has a pK_a of 4.10. A solution is 0.10 M in ascorbic acid and 0.20 M in sodium ascorbate, NaHC₆H₆O₆. What is the approximate pH of the solution?

A sodium hydroxide solution has a pH of 12.40, what is the OH^- concentration in this solution?

Write the equation for the ionization of the weak acid, formic acid, HCHO₂, in water.

Consider the image which depicts the reaction between CH₃COOH and H₂O. Reactants: Products: If the composition of the equilibrium mixture is as represented below -CH₃COOH is classified as