Calculate Δ_rG° at 298 K Using the Following Information: 2H₂S(g)

question 77

Multiple Choice

Calculate Δ_rG° at 298 K using the following information: 2H₂S(g) + 3O₂(g) → 2SO₂(g) + 2H₂O(g) Δ_rG° = ?
Δ_fH° (kJ mol^-1) -20.6 -296.8 -241.8
S°(J K^-1 mol^-1) 205.8 205.2 248.2 188.8

• A) -990.3 kJ mol^-1
• B) +108.2 kJ mol^-1
• C) -466.1 kJ mol^-1
• D) +676.2 kJ mol^-1
• E) -147.1 kJ mol^-1

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