Chapter 16, Problem 60QRT

(a)

Interpretation Introduction

Interpretation:

For the given reaction, the temperature at which it shifts from being reactant-favored to being product favored has to be calculated.

Concept Introduction:

The entropy of a system is the randomness created by the molecules.  The order of entropy is $\text{gas}>\text{liquid}>\text{solid}$.  Entropy change of a reaction will be positive when the total number of product molecules is greater than the total number of reactants molecules and entropy change will be negative when total reactants molecules are greater than product molecules.

(b)

Interpretation Introduction

Interpretation:

For the given reaction, the temperature at which it shifts from being reactant-favored to being product favored has to be calculated.

Concept Introduction:

Refer to part (a).