试题 试卷
题型：单选题 题类：常考题 难易度：普通
2015-2016学年安徽省六安市舒城中学高一下学期期中化学试卷21
① CH4(g) = C(s)+2H2(g) △H1 = + 75.0 kJ·mol-1
② CO2(g)+H2(g) = CO(g)+H2O(g) △H2 = + 41.0 kJ·mol-1
③ CO(g)+H2(g) = C(s)+H2O(g) △H3 = －131.0 kJ·mol-1
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