For the reaction aA + bB ? cC + dD, the equilibrium expression is: Keq = [C][D] / [A][B] Keq = [A][B] / [C][D] Keq = [A]^a[B]^b / [C]^c[D]^d Keq = [C]^c[D]^d / [A]^a[B]^b none of the above
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