The effect of change in volume, temperature and addition of reactants, catalyst and inert gas has to be explained. Concept introduction: Le Chatelier's principle states that if a system in equilibrium gets disturbed due to modification of concentration, temperature, volume, and pressure, then it reset to counteract the effect of disturbance. Effect of change in pressure: According to Le Chatelier's principle, increase in pressure (decreases volume)leads to flow of reaction in direction where number of moles is less. According to Le Chatelier's principle, decrease in pressure (increases volume) leads to flow of reaction in direction where number of moles is more. Effect of change in temperature: Endothermic reaction: In this reaction increase in temperature which is absorbed in reactant side, the reaction occurs in a way to relieve the stress in reactant side. The reaction occurs along the direction of product side and increases equilibrium constant. Exothermic reaction: In this reaction increase in temperature which is released in product side, the reaction occurs in a way to relieve the stress in product side. The reaction occurs along the direction of reactant side and decreases equilibrium constant.

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Chapter 13, Problem 13.102CHP

Interpretation Introduction

Interpretation:

The effect of change in volume, temperature and addition of reactants, catalyst and inert gas has to be explained.

Concept introduction:

Le Chatelier's principle states that if a system in equilibrium gets disturbed due to modification of concentration, temperature, volume, and pressure, then it reset to counteract the effect of disturbance.

Effect of change in pressure:

According to Le Chatelier's principle, increase in pressure (decreases volume)leads to flow of reaction in direction where number of moles is less.

According to Le Chatelier's principle, decrease in pressure (increases volume) leads to flow of reaction in direction where number of moles is more.

Effect of change in temperature:

Endothermic reaction: In this reaction increase in temperature which is absorbed in reactant side, the reaction occurs in a way to relieve the stress in reactant side. The reaction occurs along the direction of product side and increases equilibrium constant.

Exothermic reaction: In this reaction increase in temperature which is released in product side, the reaction occurs in a way to relieve the stress in product side. The reaction occurs along the direction of reactant side and decreases equilibrium constant.

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