试题 试卷
题型:单选题 题类:常考题 难易度:普通
2H2(g)+CO(g)⇌CH3OH(g)△H=﹣90.0kJ•mol﹣1①
2CH3OH(g)⇌CH3OCH3(g)+H2O(g)△H=﹣24.5kJ•mol﹣1②
CO(g)+H2O(g)⇌CO2(g)+H2(g)△H=﹣41.1kJ•mol﹣1③
回答下列问题:
X
Y
W
(起始状态)/mol
2
1
0
(平衡状态)/mol
0.5
1.5
试题篮