- 問題詳情:合成二*醚的三步反應如下:2H2(g)+CO(g)CH3OH(g) ΔH12CH3OH(g)CH3OCH3(g)+H2O(g) ΔH2CO(g)+H2O(g)CO2(g)+H2(g) ΔH3則 3H2(g)+3CO(g)CH3OCH3(g)+CO2(g)的ΔH是( )A.ΔH=2ΔH1+ΔH2+ΔH3 ...
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- 問題詳情:合成二*醚的三步反應如下:2H2(g)+CO(g)CH3OH(g)△H12CH3OH(g)CH3OCH3(g)+H2O(g)△H2CO(g)+H2O(g)CO2(g)+H2(g)△H3則 3H2(g)+3CO(g)CH3OCH3(g)+CO2(g)的△H是()A.△H=2△H1+△H2+△H3 B.△H=△H1+△H2+△H3C.△H=△H1+2△H2+2△H3 D.△H=2△H1+△H2﹣△H3【回答】A知識點:化學的反應中的物...
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