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题型:单选题 题类:常考题 难易度:普通
2016-2017学年江西省抚州市临川十中高二上学期期中化学试卷
已知:SO2+2Fe3++2H2O=SO42-+2Fe2++4H+
Cr2O72-+6Fe2++14H+=2Cr3++6Fe3++7H2O
①CO(g)+2H2(g)⇌CH3OH(g)△H1
②CO2(g)+3H2(g)⇌CH3OH(g)+H2O(g)△H2
③CO2(g)+H2(g)⇌CO(g)+H2O(g)△H3
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