10.8 Kinetics of reactions in solution (4)Solvent effect on activation energy k=2 K a+b=ab->P T k exp rt △G=△G8-△G-△ For evaluation of solvent effect standard Solvent a Solvent B k△(△Ge) RT(4) Solvent effect on activation energy standard Solvent A Solvent B B k T k K h  = B exp k T G k h RT     = −    Δr f f f G G G G = − − Δ  Δ A B Δ For evaluation of solvent effect    r m f m f G G G = − ,0 m,S 0 Δ(Δ ) ln S m k G k RT = − 10.8 Kinetics of reactions in solution