Engineering Board Exam Reviewer · Thermodynamics · easy

The Gibbs free energy is defined as:

1. G = U - TS
2. G = U + PV
3. G = H - TS
4. G = H + TS

Answer

C. G = H - TS

Solution

Helmholtz function: A = U - TS. Gibbs function: G = H - TS.

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