题目内容
已知:C(s)+
O2(g)=CO(g) △H1=-110.35KJ/mol
CO(g)+
O2(g)=CO2(g) △H2=282.57KJ/mol
则C(s)+O2(g)=CO2(g) △H3=
[ ]
A.+172.22KJ/mol
B.-172.22KJ/mol
C.+392.92KJ/mol
D.-392.92KJ/mol
答案:D
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题目内容
已知:C(s)+
O2(g)=CO(g) △H1=-110.35KJ/mol
CO(g)+
O2(g)=CO2(g) △H2=282.57KJ/mol
则C(s)+O2(g)=CO2(g) △H3=
[ ]