Based on the Following Thermochemical Equations, What Is the Heat

Multiple Choice

Based on the following thermochemical equations, what is the heat of vaporization of titanium(IV) chloride? Ti(s) + 2 Cl₂(g) → TiCl₄(l) ΔH = -804.2 kJ/mol
TiCl₄(g) → 2 Cl₂(g) + Ti(s) ΔH = 763.2 kJ/mol

A) +41.0 kJ/mol
B) -1567.4 kJ/mol
C) 1567 kJ/mol
D) -41.0 kJ/mol
E) -763.7 kJ/mol