作者a65465435032 (小P)
看板TransBioChem
标题[问题] 问一题化学急!!!
时间Tue Jul 20 17:11:17 2010
In light of the following thermochemical equation
2H2+O2--->2H2O ( 三角形) H=-571.6KJ
What volume of H2 ,measured at27度c 745torr,must be burned in excess
oxygen to release 1000kJ of heat to the surrouding?
A)22L B)5.21*10^-3L C)87.9L D)44L E)109L
大家帮我解答吧 谢谢
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1F：→ a65465435032:答案是c 07/20 17:30
2F：推 BIEGABOY:我怎麽觉得是d 07/20 20:08
3F：→ a65465435032:是的话教我算 07/20 20:10
4F：推 BIEGABOY:忘记乘以2,是C没错!!!@@ 07/20 20:13