Consider the thermochemical equation for the formation of two moles of HCl from its elements.

H₂(g) + Cl₂(g) → 2HCl(g) ΔH = -185 kJ

Calculate ΔH when 1.00 mole of HCl is decomposed.

A) -185 kJ
B) +185 kJ
C) -92.5 kJ
D) +92.5 kJ