Chapter 15, Problem 15.123SP

Interpretation Introduction

Interpretation:

The change in ${\text{K}}_{\text{c}}$ needs to be explained by using Le Chatelier principle for the reaction ${\text{3O}}_{\text{2}}\left(\text{g}\right)\rightleftharpoons 2{\text{O}}_3\left(\text{g}\right)$ when temperature is increased.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.