If a
reaction mixture, containing both reactants and products, is not at equilibrium
; how can we determine in which direction it will proceed. The answer is to
compare the current concentration ratios to the equilibrium constant. The
concentration ratio of the products ( raised to the power of their coefficients
) to the reactants ( raised to the power of their coefficients) is called the reaction quotient, Q.
Q > K = go backward
Q < K = go forward
Q = K = at equilibrium
Q = 0 = go forward
Q = infinity = go backward
Video From : http://www.youtube.com/watch?v=60Sylqei2DY
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