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共找到 1882524 与使用组合键Ait+A 相关的结果,耗时1056 ms
初一英语改错题After I finished the school last year,I began 1._____to look for work.Now seveal month later,I still 2._____ hadn"t found the j
英语
b that I was i
已知:H-Cl和H-I键能分别为431KJ/mol和297KJ/mol,下列性质比较正确且可用键能数据说明原因的是()A.稳定性:HI>HClB.熔、沸点:HI>HClC.同浓度的HI和HCl的酸性:HI>HClD.还原性:HI&g
化学
字母组词1.e,t,n,l,a,c,r2.h,e,c,p,a3.t,a,e,r,w4.i,t,a,a,s,n,f,t,c
英语
the time when I was a young girl who feels very different from the others,she didn't know that whathe time when I was a young girl who
英语
feels very dif
I agree with most of what you said,but I don't agree with----A:everythingB:anythingC:somethingD:nothing选什么?为什么选?那选B不行吗?与A都有任何的意思,而且B是应
英语
于否定句中的,
Having lived in China for 4 decades,I only concluded with two words:live for living.I found that I was so incapable that I could notch
英语
nge society,I
选出()里读音与其他不同的1.A.c(a)meraB.m(a)nC.h(a)rd2.A.(ea)syB.(ea)tC.m(a)ny3.A.t(i)redB.(i)nC.ch(i)ld4.A.(c)hildrenB.(c)ameraC.(c)hild5.A.sh(ou)
英语
.sh(ou)lder B.
英语翻译I feel a little better,I had huge surgery.The size is:16 x 20 inches..Please send me an in voice.I wanted to ask you,I ordered 5 m
英语
re pictures,an
已知拆开1molH-H键、1molI-I键,1molH-I键分别需要的能量是436kJ、151kJ、299kJ,则H2与I2反应生成HI的热化学方程式为;在一定温度下,反应12H2(g)+12I2(g)⇌HI(g)的平衡常数为10.若将1.0mol的
化学
体积为1.0L的密闭容器中,
某温度下,反应H2(g)+I2(g)⇌2HI(g),在带有活塞的密闭容器中进行.(1)已知:断开1molH-H键要吸收436kJ的能量,断开1molI-I键要吸收151kJ的能量,断开1molH-I键要吸收299kJ的能量.则上
化学
”或“吸热”)(2)下列说法
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