The sign of Δ S ∘ is to be predicted in each case. Concept introduction: Entropy ( Δ S ∘ ) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive). The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

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Answer 1

Question

Chapter 16, Problem 42E

(a)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(b)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(c)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(d)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

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6. Consider the following exothermic reaction below. 2Cu2+(aq) +41 (aq)2Cul(s) + 12(aq) a. If Cul is added, there will be a shift left/shift right/no shift (circle one). b. If Cu2+ is added, there will be a shift left/shift right/no shift (circle one). c. If a solution of AgNO3 is added, there will be a shift left/shift right/no shift (circle one). d. If the solvent hexane (C6H14) is added, there will be a shift left/shift right/no shift (circle one). Hint: one of the reaction species is more soluble in hexane than in water. e. If the reaction is cooled, there will be a shift left/shift right/no shift (circle one). f. Which of the changes above will change the equilibrium constant, K?

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Answer 2

Question

Chapter 16, Problem 42E

(a)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(b)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(c)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(d)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

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Answer 3

Question

Chapter 16, Problem 42E

(a)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(b)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(c)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(d)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

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Answer 4

Question

Chapter 16, Problem 42E

(a)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(b)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(c)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(d)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

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Answer 5

Chapter 16, Problem 42E

(a)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(b)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(c)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

(d)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

Answer 6

Chapter 16, Problem 42E

(a)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

Answer 7

Chapter 16, Problem 42E

(a)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

Answer 8

(b)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

Answer 9

(b)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

Answer 10

(c)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

Answer 11

(c)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

Answer 12

(d)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

Answer 13

(d)

Interpretation Introduction

Interpretation: The sign of ΔS∘ is to be predicted in each case.

Concept introduction: Entropy (ΔS∘) is the measure of degree of disorder or randomness. Increase in the randomness of the system leads to increase in the entropy (entropy is positive).

The sign of entropy depends on the number of moles. If number of moles decreases, then sign of the entropy will be negative whereas, if the number of moles increases, the sign of entropy will be positive.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 16 - Define the following: a. spontaneous process b....Ch. 16 - What is the second law of thermodynamics? For any...Ch. 16 - Prob. 3RQ Ch. 16 - Prob. 4RQ Ch. 16 - Prob. 5RQ Ch. 16 - What is the standard free energy change, G, for a...Ch. 16 - If you calculate a value for G for a reaction...Ch. 16 - Consider the equation G = G + RT ln(Q). What is...Ch. 16 - Even if G is negative, the reaction may not occur....Ch. 16 - Prob. 10RQ

Solution Summary: The author explains that the sign of DeltaScirc is to be predicted in each case.

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