对于稀溶液中的反应 aA+bB÷dD+gG ArGm(T)=A m+RTIn (cG/c)g:(cp/c)d A/c)a·(cB"/ (cc/c)g·(cp"/ 令:J (cA'/c)a·(cB’/c) 则:△Gm=△G°m+RTnJ则： Δ r Gm ＝ Δ r Gθ m + RTlnJc aA+bB dD +gG (cG ′／c θ ) g · (cD ′／c θ ) d 令：Jc ＝ (cA ′／c θ ) a · (cB ′／c θ ) b 对于稀溶液中的反应 ΔrGm(T)＝ΔrGθ m + RTln (cG ′／c θ ) g · (cD ′／c θ ) d (cA ′／c θ ) a · (cB ′／c θ ) b