Phosphorous and Chlorine Gases Combine to Produce Phosphorous Trichloride: P₂

Multiple Choice

Phosphorous and chlorine gases combine to produce phosphorous trichloride: P₂ (g) + 3Cl₂ (g) → 2PCl₃ (g)
ΔG° at 298 K for this reaction is -642.9 kJ/mol. The value of ΔG at 298 K for a reaction mixture that consists of 1.5 atm P₂, 1.6 atm Cl₂, and 0.65 atm PCl₃ is __________.

A) -44.2
B) -3.88 × 10³
C) -7.28 × 10³
D) -708.4
E) -649.5