Gibbs free energy (F) is defined as
A. F = E - TS
B. F = H - TS
C. F = H + TS
D. F = E + TS
Answer: Option B
Solution (By Examveda Team)
Gibbs free energy :\[\begin{array}{l} G = H - TS\\ \Rightarrow - dG = {W_R} - PdV \end{array}\]
So, it represents maximum useful work in a reversible process.

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