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The equilibrium constant for the reaction given below is 2.0 x 10^-7 at 300 K. Calculate the standard free energy change for the reaction;

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The equilibrium constant for the reaction given below is 2.0 x 10-7 at 300 K. Calculate the standard free energy change for the reaction;

PC5(g) ⇄ PCl3(g) + Cl2(g)

Also, calculate the standard entropy change if ΔH° = 28.40 kJ mol-1.

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ΔG° =-2.303 x 8.314 x 300 log [2.0 x 10-7]

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