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A student ran the following reaction in the laboratory at 226 K: 2 NOBr(g) 2 NO(g) + Br2(g) When she introduced 0.177 moles of NOBr(g) into a 1.00 Liter container, she found the equilibrium concentration of Br2(g) to be 1.76E-2 M. Calculate the equilibrium constant, Kc, she obtained for this reaction. Kc =

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