The reason for the different K eq values of the given similar reactions is to be stated. Concept introduction: The change in Gibbs free energy is represented by Δ G ° . It is a state function. The value of Δ G ° depends on K eq . The free energy change is calculated as, Δ G ° = − 2.303 R T log K eq If the Δ G ° is greater than zero and K eq is smaller than one, then the formation of starting material is favored at equilibrium. However, if the Δ G ° is smaller than zero and K eq is greater than one, the formation of product is favored at equilibrium.

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Chapter 6, Problem 6.55P

Interpretation Introduction

Interpretation: The reason for the different Keq values of the given similar reactions is to be stated.

Concept introduction: The change in Gibbs free energy is represented by ΔG°. It is a state function. The value of ΔG° depends on Keq. The free energy change is calculated as,

ΔG°=−2.303RTlogKeq

If the ΔG° is greater than zero and Keq is smaller than one, then the formation of starting material is favored at equilibrium. However, if the ΔG° is smaller than zero and Keq is greater than one, the formation of product is favored at equilibrium.

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