Phosphorus and Chlorine Gases Combine to Produce Phosphorus Trichloride

question 130

Multiple Choice

Phosphorus and chlorine gases combine to produce phosphorus trichloride: (g) + (g) → (g) Δ_rG° at 298 K for this reaction is -642.9 kJ mol^-1. The value of Δ_rG at 298 K for a reaction mixture that consists of and is ________ kJ mol^-1.

• A) -5.51 × 10³
• B) -90.0
• C) -71.1
• D) -4.87 × 10³
• E) -647.8

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