🧪ap chemistry review

ΔG° = ΔH° − TΔS°

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

The fundamental equation relating Gibbs free energy change to enthalpy change, entropy change, and absolute temperature; used to calculate ΔG° when ΔH° and ΔS° are known.

AP course connection

Topic 9.3: 9.3 Gibbs Free Energy and Thermodynamic Favorability

Unit 9

"ΔG° = ΔH° − TΔS°" also found in: