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Chapter 1: Q17CP (page 20)

What is the free energy change for a reaction at equilibrium?

Short Answer

Expert verified

The system does not workon its surroundings, there isno net change in the system's free energy.

Step by step solution

01

Gibb’s free energy

Gibbs free energy, often known as free energy, is a thermodynamic potential that aids in the calculation of maximum reversible work in a thermodynamic system under constant pressure and temperature. The maximum amount can be reached by a method that is totally reversible.

02

Free energy change at equilibrium

Thermodynamic equilibrium is defined as a situation in which there is no net flow of energy or matterbetween or within systems. When a system is in equilibrium, macroscopic change does not occur.

When a system transitions from its initial to its final state, the work done to the environment by the system is deducted from the work done by pressure forces, resulting in a drop in the free energy of the system.

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