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题型:单选题 题类:常考题 难易度:容易
北京师范大学附属中学2017-2018学年高一下学期化学期中考试试卷
SiCl4(g)+2Zn(l)⇌Si(s)+2ZnCl2(g)△H1
SiCl4(g)+2Zn(g)⇌Si(s)+2ZnCl2(g)△H2 .
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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燃气灶
硅太阳能电池
碱性锌锰电池
风力发电机
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