### Value of K in Gibbs free energy equation

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**Mon Feb 25, 2019 7:55 pm**In the equation delta G = -RT*ln(K), K is the equilibrium constant right? But it's stated that a reaction is at equilibrium when delta G equals zero or when K equals 1. There are many reactions that have an equilibrium constant that is not equal to one but is in equilibrium. So I'm confused with this discrepancy.