(a) Interpretation: From the given K a values, p K a of weak acids should be calculated. Concept introduction: The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium. For a general reaction of ionization of weak acid as follows: HA ⇌ H + + A − The expression for dissociation constant of the reaction is as follows: K a = [ H + ] [ A − ] [ HA ] The p K a of a weak acid is defined as negative log of K a or, p K = − log K a

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Answer 1

Question

Chapter 13, Problem 36QAP

Interpretation Introduction

(a)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Interpretation Introduction

(b)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Interpretation Introduction

(c)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

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Answer 2

Question

Chapter 13, Problem 36QAP

Interpretation Introduction

(a)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Interpretation Introduction

(b)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Interpretation Introduction

(c)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

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Answer 3

Question

Chapter 13, Problem 36QAP

Interpretation Introduction

(a)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Interpretation Introduction

(b)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Interpretation Introduction

(c)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

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Answer 4

Question

Chapter 13, Problem 36QAP

Interpretation Introduction

(a)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Interpretation Introduction

(b)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Interpretation Introduction

(c)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

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Answer 5

Chapter 13, Problem 36QAP

Interpretation Introduction

(a)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Interpretation Introduction

(b)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Interpretation Introduction

(c)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Answer 6

Chapter 13, Problem 36QAP

Interpretation Introduction

(a)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Answer 7

Chapter 13, Problem 36QAP

Interpretation Introduction

(a)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Answer 8

Interpretation Introduction

(b)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Answer 9

Interpretation Introduction

(b)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Answer 10

Interpretation Introduction

(c)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Answer 11

Interpretation Introduction

(c)

Interpretation:

From the given Ka values, pKa of weak acids should be calculated.

Concept introduction:

The weak acid does not dissociate completely in a chemical reaction thus, the ionization equation is in equilibrium.

For a general reaction of ionization of weak acid as follows:

HA⇌H++A−

The expression for dissociation constant of the reaction is as follows:

Ka=[H+][A−][HA]

The pKa of a weak acid is defined as negative log of Ka or,

pK=−logKa

Answer 12

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Answer 13

Expert Solution & Answer

Answer 14

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Answer 15

Ch. 13 - For each of the following reactions, indicate the...Ch. 13 - Follow the direction for Question 1 for the...Ch. 13 - According to the BrĂ¸nsted-Lowry theory, which of...Ch. 13 - According to the BrĂ¸nsted-Lowry theory, which of...Ch. 13 - Give the formula of the conjugate acid of (a) OH-...Ch. 13 - Give the formula for the conjugate base of (a)...Ch. 13 - Write a balanced equation showing how the H2PO4-...Ch. 13 - Follow the instructions of Question 7 for the...Ch. 13 - Using the BrĂ¸nsted-Lowry model, write equations...Ch. 13 - Prob. 10QAP

Solution Summary: The author explains that the ionization equation of weak acids is in equilibrium. The pK_a of a weak acid is negative log of acid dissociation constant.

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