已知：C(s)＋O2(g)＝CO2(g)ΔH＝－393．5kJ/mol2CO(g)＋O2(g)＝2CO2(g)ΔH＝－566kJ/molTiO2(s)＋2Cl2(g)＝TiCl4(s)＋O2(g)ΔH＝+141kJ/mol则TiO2(s)＋2Cl2(g)＋2C(s)＝TiCl4(s)＋2CO(g)ΔH＝

Question

已知： C(s)＋O₂(g)＝CO₂(g)   ΔH＝－393．5 kJ/mol

2CO(g)＋O₂(g)＝2CO₂(g)   ΔH＝－566 kJ/mol

TiO₂(s)＋2Cl₂(g)＝TiCl₄(s)＋O₂(g)   ΔH＝+141 kJ/mol

则TiO₂(s)＋2Cl₂(g)＋2C(s)＝TiCl₄(s)＋2CO(g)   ΔH＝                   。

 

Answer 1

－80 kJ·mol¹