Write the expression for the equilibrium constant K_c for each of the following reactions:

$2 Cu left parenthesis NO subscript 3 right parenthesis subscript 2 left parenthesis straight s right parenthesis space space space rightwards harpoon over leftwards harpoon space space space 2 CuO left parenthesis straight s right parenthesis space plus space 4 NO subscript 2 left parenthesis straight g right parenthesis space plus space straight O subscript 2 left parenthesis straight g right parenthesis$

Solution

straight K subscript straight c space equals space fraction numerator open square brackets CuO left parenthesis straight s right parenthesis close square brackets squared space open square brackets NO subscript 2 left parenthesis straight g right parenthesis to the power of 4 close square brackets space open square brackets straight O subscript 2 left parenthesis straight g right parenthesis close square brackets over denominator open square brackets Cu left parenthesis NO subscript 3 right parenthesis subscript 2 left parenthesis straight s right parenthesis squared close square brackets end fraction space space space space space space equals space open square brackets NO subscript 2 left parenthesis straight g right parenthesis to the power of 4 space space open square brackets straight O subscript 2 left parenthesis straight g right parenthesis close square brackets close square brackets

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