1.
将\(\rm{TiO_{2}}\)转化为\(\rm{TiCl_{4}}\)是工业冶炼金属钛的主要反应之一\(\rm{.}\)已知:
\(\rm{TiO_{2}(s)+2Cl_{2}(g)═TiCl_{4}(l)+O_{2}(g)\triangle H=+140.5kJ・mol^{-1}}\)
\(\rm{C(s}\),石墨\(\rm{)+O_{2}(g)═CO_{2}(g)\triangle H=-110.5kJ・mol^{-1}}\)
则反应\(\rm{TiO_{2}(s)+2Cl_{2(}g)+C(s}\),石墨\(\rm{)═TiCl_{4}(l)+CO_{2}(g)}\)的\(\rm{\triangle H}\)是\(\rm{(}\) \(\rm{)}\)