已知下列反应的热化学方程式为
(1)CH3COOH(l)+2O2(g)=2CO2(g)+2H2O(l) ΔH1=-870.3 kJ/mol
(2)C(s)+O2(g)=CO2(g) ΔH2=-393.5 kJ/mol
(3)H2(g)+O2(g)=H2O(l) ΔH3=-285.8 kJ/mol
则反应2C(s)+2H2(g)+O2(g)=CH3COOH(l)的ΔH为( )
A.-488.3 kJ/mol |
B.-191 kJ/mol |
C.-476.8 kJ/mol |
D.-1 549.6 kJ/mol |