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For the reaction aA + bB ⇌ cC + dD at equilibrium, the equilibrium constant Kc is:
A[A][B][C][D]
B[A]ᵃ[B]ᵇ/[C]ᶜ[D]ᵈ
CKp
D[C]ᶜ[D]ᵈ/[A]ᵃ[B]ᵇ
Answer & Solution
Correct answer: D. [C]ᶜ[D]ᵈ/[A]ᵃ[B]ᵇ
Kc = [C]ᶜ[D]ᵈ/[A]ᵃ[B]ᵇ where small letters are stoichiometric coefficients and the [] denotes molar concentrations at equilibrium.
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