
已知:C(s)+O2(g)=CO2(g)△H1=-393.5kJ/mol,C(s)+H2O(g)=CO(g)+H2(g)△H2=+131.3kJ/mol,
已知:C(s)+O2(g)=CO2(g)△H1=-393.5kJ/mol,C(s)+H2O(g)=CO(g)+H2(g)△H2=+131.3kJ/mol,则反应CO(g)...
已知:C(s)+O2(g)=CO2(g)△H1=-393.5kJ/mol,C(s)+H2O(g)=CO(g)+H2(g)△H2=+131.3kJ/mol,则反应CO(g)+H2(g)+O2(g)=H2O(g)+CO2(g),△H=______kJ/mol.
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已知:①C(s)+O2(g)=CO2(g)△H1=-393.5kJ/mol,
②C(s)+H2O(g)=CO(g)+H2(g)△H2=+131.3kJ/mol,
根据盖斯定律,①-②得CO(g)+H2(g)+O2(g)=H2O(g)+CO2(g),△H=-393.5-131.3=-524.8kJ/mol,
故答案为:-524.8.
②C(s)+H2O(g)=CO(g)+H2(g)△H2=+131.3kJ/mol,
根据盖斯定律,①-②得CO(g)+H2(g)+O2(g)=H2O(g)+CO2(g),△H=-393.5-131.3=-524.8kJ/mol,
故答案为:-524.8.
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