已知:C(s)+1/2O2(g)=CO(s)▲H=-110.35kj/mol C(s)+O2(g)=CO2(g)▲H=-
1个回答
将前一个式子×2
后一个式子倒过来
两个式子相加得到▲H=172.KJ/MOL
相关问题
已知:C(s)+1/2O2(g)=CO(g) △H=-110.5kj/mol
已知:①C (s)+[1/2]O2(g)═CO (g)△H=-110.5kJ•mol -1
已知:C(s)+H 2 O(g)=CO(g)+H 2 (g) △H=a kJ/mol
(1)已知:① C(s)+O 2 (g)=CO 2 (g);△H=-393.5kJ·mol -1 ② 2CO(g)+O
以知热化学方程式C(s)+1/2 O2 △H=-110.5KJ/mol C(s)+O2(g)=CO2(g) △H=-39
(2013•韶关模拟)已知:C(s)+O2(g)=CO2(g)△H1=-393.5kJ/mol,C(s)+H2O(g)=
已知:C(s)+O2(g)=CO2(g);△H=-393.5kJ/mol
已知CaCO3(s)=CaO(s)+CO2(g);△H=-175.7kJ/mol。C(s)+O2(g)=CO2(g);△
(1)已知:C(s)+O2(g)═CO2(g)△H=-393.5kJ/mol
(1)已知:C(s)+O2(g)===CO2(g) △H1=﹣393.5kJ·mol-1 2H2(g)+O2(g)===