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: Δ_rH° = -84.68 kJ; Δ_rS° = -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

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