Calculate Δ_rS° for the Following Reaction

question 30

Multiple Choice

Calculate Δ_rS° for the following reaction. The S° for each species is shown below the reaction. C₂H₂(g) + H₂(g) → C₂H₄(g)
S°(J J K^-1 mol^-1) 200.9 130.7 219.3

• A) +112.3 J K^-1 mol^-1
• B) +550.9 J K^-1 mol^-1
• C) -112.3 J K^-1 mol^-1
• D) +337.1 J K^-1 mol^-1
• E) -550.9 J K^-1 mol^-1

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