Chapter 20, Problem 20.22P

(a)

Interpretation Introduction

Interpretation:

The greater molar entropy $\Delta S$ for the given substances has to be predicted and reason should be explained.

Concept introduction:

Entropy $\Delta S$ is a thermodynamic quantity, which is the measure of randomness in a system.  The term entropy is useful in explaining the spontaneity of a process.  For all spontaneous process in an isolated system there will be an increase in entropy.  Entropy is represented by the letter ‘S’.  It is a state function.  The change in entropy gives information about the magnitude and direction of a process.  Factors like temperature, molar mass, molecular complexity and phase transition occurring in a reaction influences the entropy in a system.

  ${\text{ΔS}}_{\text{denatuaration}}\text{=}\frac{{\text{ΔΗ}}_{\text{denaturation}}}{{\text{T}}_{\text{melting}}}$

(b)

Interpretation Introduction

Interpretation:

The greater molar entropy $\Delta S$ for the given substances has to be predicted and reason should be explained.

Concept introduction:

Entropy $\Delta S$ is a thermodynamic quantity, which is the measure of randomness in a system.  The term entropy is useful in explaining the spontaneity of a process.  For all spontaneous process in an isolated system there will be an increase in entropy.  Entropy is represented by the letter ‘S’.  It is a state function.  The change in entropy gives information about the magnitude and direction of a process.  Factors like temperature, molar mass, molecular complexity and phase transition occurring in a reaction influences the entropy in a system.

  ${\text{ΔS}}_{\text{denatuaration}}\text{=}\frac{{\text{ΔΗ}}_{\text{denaturation}}}{{\text{T}}_{\text{melting}}}$

(c)

Interpretation Introduction

Interpretation:

The greater molar entropy $\Delta S$ for the given substances has to be predicted and reason should be explained.

Concept introduction:

Entropy $\Delta S$ is a thermodynamic quantity, which is the measure of randomness in a system.  The term entropy is useful in explaining the spontaneity of a process.  For all spontaneous process in an isolated system there will be an increase in entropy.  Entropy is represented by the letter ‘S’.  It is a state function.  The change in entropy gives information about the magnitude and direction of a process.  Factors like temperature, molar mass, molecular complexity and phase transition occurring in a reaction influences the entropy in a system.

  ${\text{ΔS}}_{\text{denatuaration}}\text{=}\frac{{\text{ΔΗ}}_{\text{denaturation}}}{{\text{T}}_{\text{melting}}}$