Consider the following mechanism: 1) Br2(g) = 2Br(g) Kc1 = 2.2 x 10^-3 2) Br(g) + H2(g) = HBr(g) + H(g) Kc2 = 7.5 x 10^6 3) H(g) + Br(g) = HBr(g) Kc3 = 350 calculate Kc for the overall reaction

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