Calculate the ΔG°_rxn Using the Following Information

question 75

Multiple Choice

Calculate the ΔG°_rxn using the following information. 4 HNO₃(g) + 5 N₂H₄(l) → 7 N₂(g) + 12 H₂O(l) ΔG°_rxn = ?
ΔH°_f (kJ/mol) -133.9 50.6 -285.8
S°(J/mol^∙K) 266.9 121.2 191.6 70.0

• A) +4.90 × 10³ kJ
• B) +3.90 × 10³ kJ
• C) -2.04 × 10³ kJ
• D) -3.15 × 10³ kJ
• E) -3.30 × 10³ kJ

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