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Section 3

Gibbs Free Energy

Book Version 33
By Boundless
Boundless Chemistry
Chemistry
by Boundless
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5 concepts
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Standard Free Energy Changes

The standard Gibbs Free Energy is calculated using the free energy of formation of each component of a reaction at standard pressure.

Free Energy Changes in Chemical Reactions

ΔG determines the direction and extent of chemical change.

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Free Energy Changes for Nonstandard States

A single reaction can have an infinite number of ΔG values, reflecting the infinite possible compositions between reactants and products.

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Pressure and Free Energy

Gibbs free energy is dependent on pressure.

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Free Energy and Work

The Gibbs free energy is the maximum amount of non-expansion work that can be extracted from a closed system.

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