According to fundamental thermodynamic definitions and exact Maxwell relations, which of the followi — Thermodynamics and Thermochemistry Chemistry Question
Question
According to fundamental thermodynamic definitions and exact Maxwell relations, which of the following partial derivative equations correctly describes the behavior of the Gibbs Free Energy ($G$)?
Answer: A
💡 Solution & Explanation
The fundamental equation for Gibbs Free Energy is $dG = VdP - SdT$. Holding pressure constant ($dP = 0$), we get the partial derivative $(\partial G/\partial T)_P = -S$. This physically explains why $G$ always decreases as temperature increases.
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