Phosphorous and Chlorine Gases Combine to Produce Phosphorous Trichloride: P₂

question 94

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 1.9 atm P₂, 1.6 atm Cl₂, and 0.65 atm PCl₃ is ________.

• A)-34.9
• B)-4.46 × 10³
• C)-7.86 × 10³
• D)-714.1
• E)-650.1