精选优质文档-倾情为你奉上化学反应动力学第六、七、九章习题daan1. Calculate k (T) given the following forms for the reactive cross section:(a)R(v) =d2, i.e., a constant. If d is the molecular diameter, this represents an “encounter limited rate coefficient”.(b)R(E) =0 ( 1 - e- a E )Do any of these calculated ks have an Arrhenius-like temperature dependence? 解:(a)反应截面与反应速率常数的关系为: k(u) =R u R 其中,u R:相对平动速率解法1:因反应截面为常数,故可先求出平均速率,然后据k(T) =R 求k(T) 根据气体分子运动论: