## Gibbs free energy question

$\Delta G^{\circ}= \Delta H^{\circ} - T \Delta S^{\circ}$

$\Delta G^{\circ}= -RT\ln K$

$\Delta G^{\circ}= \sum \Delta G_{f}^{\circ}(products) - \sum \Delta G_{f}^{\circ}(reactants)$

DanielLee3H
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### Gibbs free energy question

Why does gibbs free energy not depend on internal energy, but rather just enthalpy. Basically, why does gibbs free energy not include the energy of work as part of its function?

Chem_Mod
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### Re: Gibbs free energy question

Although they both contain the term "energy:, but those two are not related together.

Cassandra Mullen 1E
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### Re: Gibbs free energy question

Gibb's free energy accounts for the enthalpy and entropy of the system. You can think of the H term as all of the the energy in the system and TΔS as the energy lost to heat and entropy.

Ramya Lakkaraju 1B
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Joined: Fri Sep 29, 2017 7:03 am

### Re: Gibbs free energy question

Gibbs free energy is basically the amount of energy that is available to do useful work in the system. The equation for Gibbs free energy takes the total enthalpy of the system and subtracts whatever energy is lost through the t delta s term. The remaining energy is the amount of energy left to do useful work.