Flyound
幼苗
共回答了21个问题采纳率:81% 举报
2 H2(g) + O2(g) = 2 H2O(l) △H=-571.6kJ/mol
除以二
H2(g) +1/2 O2(g) =H2O(l) △H=-285.8kJ/mol
C(s)+1/2 O2(g) =CO(g) △H=-110.5kJ/mol
倒过来
CO(g)=C(s)+1/2 O2(g),△H=+110.5kJ/mol
H2(g) +1/2 O2(g) =H2O(l) △H=-285.8kJ/mol相加
CO(g) +H2(g)===C(s)+H2O(l) ,△H=-175.3kJ/mol
H2O(l)=H2O(g) △H=+44kJ/mol再加
C(s)+H2O(g)=CO(g)+ H2(g) △H=+131.3kJ/mol
1年前
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