【简答题】已知基元反应 A + B→P 的活化能 E a = 100kJ·mol - 1 ,在定容条件下,在 50°C 时,起始浓度 c A , 0 = c B , 0 = a mol·dm - 3 时,测得其半衰期为 t 1/2 ,在相同的起始浓度, 100°C 时,半衰期为 t 1/2 ˊ 则 A . t 1/2 ˊ t 1/2 ; D .无法判断。
【简答题】Are morning people born or made? In my case it was definitely made.In my early 20s, I rarely went to bed before midnight, and I would almost always get up late the next morning. But after a while I co...
【简答题】阅读理解。 Are morning people born or made? In my case it was definitely made. In my early 20s, I rarely went to bed before midnight, and I would almost always get up late the next morning. But after a whi...