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For the Reaction PCl5(g) → PCl3(g) + Cl2(g) at 298

Question 50

Multiple Choice

For the reaction PCl5(g) → PCl3(g) + Cl2(g) at 298 K, Keq = 1.87 × 10-7, ΔS° = 1.8192 J/(mol ∙K) , what is ΔG° and is the reaction spontaneous?


A) 3.84 × 104 kJ/mol, no
B) 7.68 kJ/mol, no
C) -7.68 kJ/mol, yes
D) 38.4 kJ/mol, no
E) -38.4 kJ/mol, yes

Correct Answer:

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