一个双原子分子的势能函数为 Ep=E0[(r0\r)12-2(r0/r)6] 式中，ｒ为两原子间的距离。ａ.绘制势能曲线。b.由图说明r0是势能最小的分子间距。c.由图说明E0是分子势能的最小值。 -A diatomic molecule potential energy function for the Ep = E0 [(r0 \ r) 12-2 (r0/r) 6] where, r is the distance between two atoms. a. draw the p