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z 5. Consider the following equilibria in aqueous solution at room temperature: 2NO(g) = N2(g) + O2 (8) K= 1.0 x 10 N2(g) +

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Answer #1

K1 = [N2][O2]/[NO]^2
= 1.0*10^30

K2 = [NOBr]^2 / [N2][O2][Br2]
= 2.0*10^-27

The required equation is:
K = [NO]^2[Br2]/[NOBr]^2
= ([NO]^2 / [N2][O2]) * ([N2][O2][Br2] / [NOBr]^2)
= (1/K1) * (1/K2)
= 1/(K1*K2)
= 1/(1.0*10^30 * 2.0*10^-27)
= 1/(2.0*10^3)
= 5.0*10^-4

Answer: d

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