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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1. This experiment is more about understanding the colligative properties of a solution rather than the determination of the molar mass of a solid. a. Define colligative properties. b. Which of the following solutes has the greatest effect on the colligative properties for a given mass of pure water? Explain. (i) 0.01 mol of CaCl2 (ii) 0.01 mol of KNO3 (iii) 0.01 mol of CO(NH2)2 (an electrolyte) (an electrolyte) (a nonelectrolyte)

5. b. For Trials 2 and 3, the molar mass of the solute was 151 g/mol and 143 g/mol respectively. a. What is the average molar mass of the solute ? b. What are the standard deviation and the relative standard deviation (%RSD) for the molar mass of the solute ?

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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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