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Question

Given the equilibrium constants for these reactions: 4Cu(s) + O2(g) ⇌ 2 Cu2O(s) Kc1 ; 2CuO(s) ⇌ Cu2O(s) + 1/2 O2(g) Kc2. What is the value of Kc for this reaction? 2Cu(s) + O2(g) ⇌ 2CuO(s). (A) Sqrt(Kc1)/Kc2 (B) Kc2/Sqrt(Kc1) (C)Sqrt(Kc1) x Kc2 (D) Kc1xKc2