Does ΔG = 0 at equilibrium?

Related questions

• What conditions are spontaneous processes trying to satisfy?
• Why are spontaneous processes irreversible?
• Why are all spontaneous processes not exothermic?
• Why do spontaneous processes increase entropy?
• Why is diffusion a spontaneous process?
• Why is an exothermic reaction spontaneous?
• Why is free energy affected by changes in temperature?
• Is delta G zero at boiling point?
• How can I calculate delta G of vaporization?
• How is delta G related to the equilibrium constant?