Looking at the generic reaction A(aq) +B(aq) <==> C(aq) + D(aq) + E(aq) K is the

Question

Looking at the generic reaction A(aq) +B(aq) <==> C(aq) + D(aq) + E(aq)

K is the equilibrium constant.

The solution is close to ideal and the activities can be approximated by [conc]/1M

a) Write an expression for K

b) What is K for the reverse reaction C(aq) +D(aq) + E(aq) <==> A(aq) + B (aq)

c) If A(aq) + B(aq) <==> C(aq) + D(aq) with the equilibrium constant = K1

C(aq) + E(aq) <==> F(aq) + B(aq) with the equilibrium constant = K2

What is the equilibrium constant of A(aq) + E(aq) <==> D(aq) + F(aq)?

Explanation / Answer

a) K = [C] [D] [E] / [A] [B]

b) K =[A][B] / [C][D][E]

c) Adding both we get the req eqn

SO K = K1 * K2

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