问题
判断题
聚合反应活性与反应温度成正比。
答案
参考答案:错
解析:在反应温度低于90度时,活性符合阿累尼乌斯定律,即温度升高,活性增强;当温度超过90度时,催化剂有自减活效应,活性随着温度的升高而衰减。
聚合反应活性与反应温度成正比。
参考答案:错
解析:在反应温度低于90度时,活性符合阿累尼乌斯定律,即温度升高,活性增强;当温度超过90度时,催化剂有自减活效应,活性随着温度的升高而衰减。
补全对话 | |
W: Oh... my clothes are out of style. I don't look cool. M: 2 W: Yes. But I don't have enough money. M: Huh. 3____ W: Oh, I couldn't. M: Why? W: 4____I argued with them about it. M: Well, you shouldn't argue with your parents. 5___ W: OK.1 will have a try. Thank your! M: You're welcome 1. ____2.____3.____4. 5. |