Chapter 9, Problem 9.24A

Interpretation Introduction

Interpretation:

The temperature at which the reaction is at equilibrium should be calculated and whether the temperature is decreased or increased to make the reaction spontaneous should be explained.

Concept introduction:

• A spontaneous reaction is the one which occurs without applying any external energy.
• When the rate of producing products from reactants and the rate of reverse formation of reactants from products is equal, the reaction is said to be in equilibrium.
Gibbs Free energy ( $\text{ΔG}$) is the energy left after the completion of reaction.
• Enthalpy ( $\text{H}$) is the measure of how much energy is released or absorbed during a chemical reaction.
• Entropy ( $\text{S}$) is a measure of disorder in the system. ?S is positive when there is an increase in randomness or disorder.

Given:
  $\begin{array}{l}{\text{ΔH}}^{\text{o}}\text{= +75 kJ}\\ {\text{ΔS}}^{\text{o}}\text{= +231 }\frac{\text{J}}{\text{K}}\end{array}$