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Calculate the standard Gibb's energy cha...

Calculate the standard Gibb's energy change for a reaction at 298 K, if its equilibrium constant is 50.

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`Delta G^(@) = -2.303 T log K`
`= -2.303 xx 8.314 xx 298 xx log 50`
`= -2.303 xx 8.314 xx 298 xx 1.6990`
`= -9694 J = -9.694 kJ mol^(-1)`.
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