Partial molar Gibbs free energy μ_i = (∂G/∂n_i)_{T,p,n_{j≠i}}. The driving force for mass transport and phase equilibrium: matter flows from higher to lower μ until μ is equal across phases.
Chemical potential (μ)
Related concepts
- Phase diagram
- Gibbs free energy (G)
- Chemical equilibrium
- Raoult's law
- Activity coefficient (γ)
- Chemical potential μ
- Chemical potential μ
- Maxwell relations
- Gibbs free energy G = H − TS (spontaneity at fixed T, P)
- Van't Hoff equation: ln(K₂/K₁) = −ΔH/R · (1/T₂ − 1/T₁)
- ΔG(T) = -T/10 - 100 in ΔH<0, ΔS>0 quadrant: always spontaneous (T*<0)