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What Is the Equilibrium Constant for the Reaction Below at 298

Question 5

Multiple Choice

What is the equilibrium constant for the reaction below at 298 K? 2C(s) + 3H2(g) → C2H6(g)
Given: ΔrH° = -84.68 kJ; ΔrS° = -173.8 J/K at 298 K.(R = 8.314 J/K⋅mol)


A) 5.8 × 105
B) 1.0 × 10−5
C) 8.6 × 10-10
D) 1.7 × 10-6
E) 7.0 × 1014

Correct Answer:

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