已知: C(s)+O2(g)=CO2(g) ΔH=-393.5 kJ/mol2CO(g)+O2(g)=2CO2(g) ΔH=-566 kJ/molTiO2(s)+2Cl2(g)=TiCl4(s)+O2(g) ΔH=+141 kJ/mol则TiO2(s)+2Cl2(g)+2C(s)=TiCl4(s)+2CO(g) ΔH= 。
试题篮