APFIVE Free Energy and The Equilibrium Constant
A student claims that a reaction with a positive standard free energy change (ΔG°) has an equilibrium constant (K) greater than 1. Which of the following best explains the error in this claim?
A
A positive ∆G° indicates K is less than 1, meaning reactants are favored.
B
A positive ∆G° always results in K exactly equal to 1, indicating equilibrium.
C
∆G° has no relation to K; thus, it cannot predict the direction of favorability.
D
The sign of ∆G° determines the speed of the reaction, not the equilibrium position.
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