kk,-[4C]=k.[4[C] =k[M]=kitk2 ·无催化剂存在时的反应速率为： =k[A] .r=ro+re=ko[A]+ke[C][A] =(k+k[C])[A] =k[4] k=ko +kc[C][ ] [ ][ ] [ ][ ] 1 2 1 2 2 A C k A C k k k k rc k M = c + = = − [ ] r0 = k0 A [ ] [ ][ ] r = r0 + rc = k0 A + kc C A ( [ ])[ ] = k0 + kc C A = k[A] [ ] k = k0 + kc C • 无催化剂存在时的反应速率为：