试题 试卷
题型:单选题 题类:常考题 难易度:普通
2015-2016学年福建省莆田二十四中高二下学期期末化学试卷
已知:①CH4(g)+H2O(g)⇌CO(g)+3H2(g)△H=+206.2kJ•mol﹣1
②CO(g)+H2O(g)⇌CO2(g)+H2(g)△H=﹣42.3kJ•mol﹣1
①2CH3OH(l) + 3O2 (g) = 2CO2(g) + 4H2O(g) ∆H1= – 1276.0 kJ/mol
②2H2(g) + O2(g) = 2H2O(g) ∆H2 = – 482.0 kJ/mol;
③H2O(g) = H2O(l) ∆H3= – 44.0 kJ/mol
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