Given the dissociation reaction, Br2(g) = 2 Br(g), AH = + 112 kJ mol^ - 1 molecular bromine is 35 per cent dissociated. at 1600 K and 1.00 bar at equilibrium. Calculate the equilibrium constant, K at 25\deg C. At what temperature would the reaction mixture need to be to turned off, ~ K = 10^-5?

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