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Thermodynamics
Question
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Which of the following statements is correct for a reversible process in a state of equilibrium?

  • ΔG = -2.303RT log K

  • ΔG = 2.303RT log K

  • ΔG0 = -2.303RT log K

  • ΔG0 = 2.303RT log K

Answer

C.

ΔG0 = -2.303RT log K

 ΔG =ΔG0+2.303RT log K log Q
At equilibrium when Δ G = 0 and Q = K
 then ΔG = ΔG0 +2.303 RT log K = 0
ΔG0 = -2.303 RT log K

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