皮皮学，免费搜题
登录
搜题
【简答题】
碘化氢分解反应：2HI→H 2 +I 2 ，已知临界能E c =183.92kJ/mol，HI的分子直径d=3.5×10 -10 m，摩尔质量为127.9g/mol。试由碰撞理论计算在不同温度下HI分解的速率常数k并和下列实验数据相比较。 T(K) k[m 3 /(mol·s)] 556 3.52×10 -10 666 2.20×10 -7 781 3.95×10 -5
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】A Mexican girl was questioned by her American teacher at an elementary school in the United States, “What were you doing just now over there?” The girl kept her head down and didn’t say anything. The ...
【简答题】"William, don't forget your towel!" Mom shouted as she applied
sunblock on the baby. William threw the folding chairs in the back of
the minivan and shouted through the garage door, "OK Mom!" He the...
【多选题】关于荧光酶免疫实验,正确的是
A.
标记物是荧光,检测的是酶
B.
标记物是酶,检测的是荧光
C.
常用的酶是HRP,底物是TMB
D.
常用的酶是ALP,底物是4-MUP
E.
常用的酶是ALP,底物是4-MUG
【简答题】"William, don't forget your towel!" Mom shouted as she applied sunblock on the baby. William threw the folding chairs in the back of the minivan and shouted through the garage door, "OK Mom!" He then ...
【单选题】设 有语句: struct xy{ int x ; float y; char z ;} example; 下面 哪一个叙述错误?
A.
struct 是结构类型的关键字
B.
example 是结构类型的名称
C.
x,y,z 都是结构的成员名称
D.
xy 是结构类型的名称
【简答题】药用植物采收期的确定依据? 第一,有效成分含量高峰期与产量高峰期一致时,可根据生产需要,在采收商品价值最高时采收。 第二,有效成分含量高峰期与产品器官产量高峰期不一致时,则应以有效成分含量与产量之积最大时为最适采收期。
【简答题】完型填空 This evening I met a friend at a local bar. She brought her laptop {along; around; forward} so she could show me some of her latest digital art designs. As we looked through her artwork, the lapt...
【简答题】一、 短文填词 A little boy was hungry. He was happy to see a jar of nuts ( 一罐坚果 ) on the table because nuts were one of his favorite ____1____(thing) to eat. “ I ’ d like some of these nuts. I ’ m sure Moth...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
