Ch ical chemistr Reaction Kinetic Reversible first-Order reactions MC1+k1[1(k+k)1 (1732) At equilibrium, 0 [A]=LAleg kB[Clo +kb[Alo=(kf+kb lAleg (17.33) (k,+k)4- f tnb [44g=4-g}J≡k+(17346 Physical Chemistry 0 [ ] = dt d A At equilibrium, k k t A A A A f b o eq eq ( ) [ ] [ ] [ ] [ ] ln = − + − − A A eq [ ] =[ ] Reversible First-Order Reactions [ ] [ ] ( )[ ] [ ] k C k A k k A dt d A = b o + b o − f + b (17.32) and b o b o f b A eq k [C] + k [A] = (k + k )[ ] (17.33) ( )[ ] [ ] [ ] k k A A dt d A = f + b eq −   (17.34) jt eq o eq A A A A e − [ ]−[ ] = [ ] −[ ] f b j  k + k Reaction Kinetics