The sign of enthalpy and entropy changes when liquid evaporates has to be determined. Concept Introduction: The formula that determines spontaneity of the reaction is as follows: Δ G = Δ H − T Δ S Here, Δ G is change in the gibbs free energy. Δ H is change in the enthalpy. Δ S is change in entropy. The table that represents the three state functions is as follows: Δ H Δ S Δ G Nature of reaction − + − Spontaneous − − − Spontaneous at low temperature + + − Spontaneous at high temperature + − + Non-spontaneous

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Answer 1

Question

Chapter EN, Problem 26PQ

Interpretation Introduction

Interpretation:

The sign of enthalpy and entropy changes when liquid evaporates has to be determined.

Concept Introduction:

The formula that determines spontaneity of the reaction is as follows:

ΔG=ΔH−TΔS

Here,

ΔG is change in the gibbs free energy.

ΔH is change in the enthalpy.

ΔS is change in entropy.

The table that represents the three state functions is as follows:

ΔHΔSΔGNature of reaction−+−Spontaneous−−−Spontaneous at low temperature++−Spontaneous at high temperature+−+Non-spontaneous

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Answer 2

Question

Chapter EN, Problem 26PQ

Interpretation Introduction

Interpretation:

The sign of enthalpy and entropy changes when liquid evaporates has to be determined.

Concept Introduction:

The formula that determines spontaneity of the reaction is as follows:

ΔG=ΔH−TΔS

Here,

ΔG is change in the gibbs free energy.

ΔH is change in the enthalpy.

ΔS is change in entropy.

The table that represents the three state functions is as follows:

ΔHΔSΔGNature of reaction−+−Spontaneous−−−Spontaneous at low temperature++−Spontaneous at high temperature+−+Non-spontaneous

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Answer 3

Question

Chapter EN, Problem 26PQ

Interpretation Introduction

Interpretation:

The sign of enthalpy and entropy changes when liquid evaporates has to be determined.

Concept Introduction:

The formula that determines spontaneity of the reaction is as follows:

ΔG=ΔH−TΔS

Here,

ΔG is change in the gibbs free energy.

ΔH is change in the enthalpy.

ΔS is change in entropy.

The table that represents the three state functions is as follows:

ΔHΔSΔGNature of reaction−+−Spontaneous−−−Spontaneous at low temperature++−Spontaneous at high temperature+−+Non-spontaneous

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Answer 4

Question

Chapter EN, Problem 26PQ

Interpretation Introduction

Interpretation:

The sign of enthalpy and entropy changes when liquid evaporates has to be determined.

Concept Introduction:

The formula that determines spontaneity of the reaction is as follows:

ΔG=ΔH−TΔS

Here,

ΔG is change in the gibbs free energy.

ΔH is change in the enthalpy.

ΔS is change in entropy.

The table that represents the three state functions is as follows:

ΔHΔSΔGNature of reaction−+−Spontaneous−−−Spontaneous at low temperature++−Spontaneous at high temperature+−+Non-spontaneous

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Answer 5

Chapter EN, Problem 26PQ

Interpretation Introduction

Interpretation:

The sign of enthalpy and entropy changes when liquid evaporates has to be determined.

Concept Introduction:

The formula that determines spontaneity of the reaction is as follows:

ΔG=ΔH−TΔS

Here,

ΔG is change in the gibbs free energy.

ΔH is change in the enthalpy.

ΔS is change in entropy.

The table that represents the three state functions is as follows:

ΔHΔSΔGNature of reaction−+−Spontaneous−−−Spontaneous at low temperature++−Spontaneous at high temperature+−+Non-spontaneous

Answer 6

Chapter EN, Problem 26PQ

Interpretation Introduction

Interpretation:

The sign of enthalpy and entropy changes when liquid evaporates has to be determined.

Concept Introduction:

The formula that determines spontaneity of the reaction is as follows:

ΔG=ΔH−TΔS

Here,

ΔG is change in the gibbs free energy.

ΔH is change in the enthalpy.

ΔS is change in entropy.

The table that represents the three state functions is as follows:

ΔHΔSΔGNature of reaction−+−Spontaneous−−−Spontaneous at low temperature++−Spontaneous at high temperature+−+Non-spontaneous

Answer 7

Chapter EN, Problem 26PQ

Interpretation Introduction

Interpretation:

The sign of enthalpy and entropy changes when liquid evaporates has to be determined.

Concept Introduction:

The formula that determines spontaneity of the reaction is as follows:

ΔG=ΔH−TΔS

Here,

ΔG is change in the gibbs free energy.

ΔH is change in the enthalpy.

ΔS is change in entropy.

The table that represents the three state functions is as follows:

ΔHΔSΔGNature of reaction−+−Spontaneous−−−Spontaneous at low temperature++−Spontaneous at high temperature+−+Non-spontaneous

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. EN - Prob. 1PQ Ch. EN - Prob. 2PQ Ch. EN - Prob. 3PQ Ch. EN - Prob. 4PQ Ch. EN - Prob. 5PQ Ch. EN - Prob. 6PQ Ch. EN - Prob. 7PQ Ch. EN - Prob. 8PQ Ch. EN - Prob. 9PQ Ch. EN - Prob. 10PQ

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