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Lecture 9- Enzyme Kinetics

Lecture 9- Enzyme Kinetics - Comparing Reaction Rate...

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Comparing Reaction Rate Theories RT H R S B e e h T k k o o Δ Δ = RT E A Ae k = Arrhenius Theory: Collision Theory: Transition State Theory: Ca 2+ (aq) + SO 4 2- (aq) [Ca 2+ ---SO 4 2- ] CaSO 4 (s) Δ S tot = Δ S reactants + Δ S solvent Δ S solvent is positive because H 2 O less ordered around the neutral transition state. Δ S reactants is negative because reactants more disordered than transition state. If | Δ S solvent | > | Δ S reactants |, then Δ S tot > 0, usually indicates a fast reaction rate. μ π T k d B A Z B AB AB 8 ] ][ [ 2 = RT E AB A e B A Z P k = ] ][ [ = 10 11 M -1 s -1
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