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If K(equilibrium constant) is greater than Q(concentration constant at a prticular point) then the reaction will tend to the right. If Q is less that K the reverse reaction will occur and if they are equal the reaction is at equilibrium. Example: aA+bB<--->cC+dD K=1.5 if Q<1.5 the reaction is aA + bB ---> cC + dD if Q> 1.5 the reaction is aA + bB <--- cC + dD K= [C]c[D]d/ [A]a[B]b at any point Q=[C]c[D]d/ [A]a[B]b at a particular point in time

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Q: How is the direction of a chemical reaction determined?
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