Ch ical chemistr Reaction Kinetic Rate laws and equilibrium Constants for Elementary reactions Show that for a reaction that takes place in a sequence of steps, the overall equilibrium constant is a product of ratios of the rate constants for each step It is sufficient to consider a reasonably general but simple two-step reaction sequence, such as A+BOC+d(second-order in each direction, k k)) COE+F (first-order forwarded, second-order reverse, k,, k. A+B分D+E+F( overall) d)=-14081+k1(CD1(40)=-k2(]+k1E门19 Physical Chemistry Rate Laws and Equilibrium Constants for Elementary Reactions A+ B C+ D [ ][ ] [ ][ ] [ ] k1 A B k 1 C D dt d A  = − + −      Show that for a reaction that takes place in a sequence of steps, the overall equilibrium constant is a product of ratios of the rate constants for each step. It is sufficient to consider a reasonably general but simple two-step reaction sequence, such as C  E+ F A+ B  D+ E+ F (second-order in each direction, k1 , k-1 ) (first-order forwarded, second-order reverse, k2 , k-2 ) (overall) [ ] [ ][ ] [ ] k2 C k 2 E F dt d C  = − + −      Reaction Kinetics