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发表于:2020-01-31
问题详情:.已知:C(s)+O2(g)═CO2(g)△H1CO2(g)+C(s)═2CO(g)△H22CO(g)+O2(g)═2CO2(g)△H34Fe(s)+3O2(g)═2Fe2O3(s)△H43CO(g)+Fe2O3(s)═3CO2(g)+2Fe(s)△H5下列关于上述反应焓变的判断正确的是()A.△H1>0,△H3<0 ...
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发表于:2020-06-25
问题详情:已知:C(s)+ O2(g)==CO2(g) △H1CO2 (g) +C( s)==2CO(g)△H22CO(g)+O2(g)==2CO2(g)△H34Fe(s) +3O2(g)==2Fe2O3(s)△H43CO(g)+Fe2O3(s)==3CO2(g)+2Fe(s) △H5下列关...
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发表于:2021-02-21
问题详情:已知:C(s)+O2(g)═CO2(g)△H1CO2(g)+C(s)═2CO(g)△H22CO(g)+O2(g)═2CO2(g)△H34Fe(s)+3O2(g)═2Fe2O3(s)△H43CO(g)+Fe2O3(s)═3CO2(g)+2Fe(s)△H5下列关于上述反应焓变的判断正确的是()A.△H1>0,△H3<0 B.△H2>0,△H4...