Gibbs Energy Change and Equilibrium
Gibbs Energy Change and Equilibrium: Overview
In this topic, we will learn to predict the spontaneity of the chemical reaction through Gibbs’ energy. We will also understand to predict the amount of work that could be extracted from it.
Important Questions on Gibbs Energy Change and Equilibrium
What is the significance of point of minima in the plot between Gibbs energy and extent of the reaction?

What is the slope of the graph of Gibbs energy plotted against the extent of reaction?

What is an endergonic reaction and plot it in a graph between Gibbs free energy and extent of reaction?

What is an exergonic reaction and plot it in a graph between Gibbs free energy and extent of reaction?

A plot of Gibbs energy of a reaction mixture against the extent of the reaction is :

Which of the following condition is prefered for an endothermic non-spontaneous process?

Predict the signs of and for an endothermic non-spontaneous process.

What are the conditions required for the non-spontaneous endothermic reaction when the change in entropy is positive?

What is the effect of temperature on of an endothermic process?

What are the conditions required for the spontaneity of endothermic reaction when change in entropy is positive?

What is the value of at high temperature for exothermic non-spontaneous process?

Which of the following condition is favourable for exothermic non-spontaneous process?

For an exothermic non-spontaneous process :

What is the effect of temperature on exothermic non-spontaneous reaction?

What is the condition for non-spontaneous exothermic reaction?

Predict the spontaneity of the exothermic reactions with positive entropy change.

What is the condition for spontaneity of exothermic process when entropy change is negative?

For an exothermic process which is spontaneous :

In which case the reaction is a exothermic spontaneous process?

For the reaction and are respectively:
