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1. How the value of AG influence the direction of an equilibrium process? 

2. The equilibrium constant for a reaction is 8. What will be the value of ∆G at 27 °C?

1 Answer

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1. If ∆G is negative, then the reaction is spontaneous and proceeds in the forward direction. 

If ∆G is positive, then reaction is considered non- spontaneous. instead, as reverse reaction would have a negative ∆G, the products of the forward reaction shall be converted to the reactants. If ∆G is 0, reaction has achieved equilibrium. At this point, there is no longer any free energy to drive the reaction. 

2. ∆G = -2.303RT log K

= -2.303 x 8.134 x 300 x log K

= -2.303 x 8.134 x 300 x log 8

= 5187.5 mol-1

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