choical Chemistry Reaction Kinetic Theories of reaction rates Hard-Sphere Collision Theory of Gas-Phase Reactions For the bimolecular reaction 2b-> Products 1 dB 2=B2 E./RT The rate of disappearance of B d[B]-2zBce k 1 d[B/dt E/RT BB N4[BI2 r=kB The use of (15.63 )for ZBB 1/2 aRT E/RT for B=C(23.4) TB5 Physical Chemistry Theories of Reaction Rates Hard-Sphere Collision Theory of Gas-Phase Reactions For the bimolecular reaction 2B → Products 2 [ ] [ ] 2 1 k B dt d B r = − = A thr N E RT ZBCe dt d B / 2 [ ] − − = 2 2 r = k[B] / 2 [ ] [ ] [ ]/ 2 1 N B Z e B d B dt k A E RT BB − thr = − = The rate of disappearance of B The use of (15.63) for ZBB (23.4) E RT B A B thr e M RT k N d / 1/ 2 2 1/ 2 8 2 1 −         =   for B = C Reaction Kinetics