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Standard Free Energy Change (ΔG°) and Equilibrium Constant (Keq)

The standard free energy change can be defined as the free energy change for a process at 298 K in which the reactants in their standard states are converted into the products in their standard states. It is denoted by the symbol ΔG°. Standard free energy change (ΔG°) is related to the equilibrium constant (Keq) by the relation:
ΔG° = – 2.303 RT log Keq

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