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`DeltaH` and `DeltaS` for the reaction:
`Ag_(2)O(s) rarr 2Ag(s) +(1//2)O_(2)(g)`
are `30.56 kJ mol^(-1)` and `66.0 J JK^(-1) mol^(-1)` respectively. Calculate the temperature at which free energy change for the reaction will be zero. Predict whether the forward reaction will be favoured above or below this temperature.

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Calculate T by applying the formula
`DeltaG=DeltaH-TDeltaS and DeltaG=0`
Then find the vlaue of `DeltaG` at lower temperature than T. the value of `DeltaG` becomes positive, Hence, the reverse reaction will be favoured. AT temperature higher than T, the reaction is spontaneous.

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