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    Exam 19: Spontaneous Change: Entropy and Free Energy
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    What Is ΔG°rxn? N<sub>2</sub>O<sub>4</sub>(g) → 2 NO<sub>2</sub>(g) &Emsp; ΔGf°
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What Is ΔG°rxn? N2O4(g) → 2 NO2(g) &Emsp; ΔGf°

Question 74

Question 74

Multiple Choice

What is ΔG°rxn? N2O4(g) → 2 NO2(g)   ΔGf° (J/mol K) 97.8 51.3


A) 149.1 kJ
B) -4.8 kJ
C) -46.5 kJ
D) 4.8 kJ
E) 46.5 kJ

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