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अभिक्रिया Zn(s) + Cu^(2+) (aq) rarr Zn^(...

अभिक्रिया `Zn(s) + Cu^(2+) (aq) rarr Zn^(2+) (aq) +Cu(s)` के लिए मानक मुक्त ऊर्जा परिवर्तन की गणना कीजिए । दिया गया है - `Delta_(f)G^(@)[Cu^(2+)(aq)] = 65.0 kJ "mol"^(-1)` तथा `Delta_(f)G^(@)[Zn^(2+)(aq) ] = -147.2 kJ "mol"^(-1)`.

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