Calculate Δ_rS° for the Following Reaction

question 29

Multiple Choice

Calculate Δ_rS° for the following reaction. The S° for each species is shown below the reaction. N₂H₄(l) + H₂(g) → 2NH₃(g)
S° (J K^-1 mol^-1) 121.2 130.7 192.8

• A) +133.7 J K^-1 mol^-1
• B) -59.1 J K^-1 mol^-1
• C) +118.2 J K^-1 mol^-1
• D) -202.3 J K^-1 mol^-1
• E) +178.9 J K^-1 mol^-1

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