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(a) Calculate Delta G^@ for the reaction...

(a) Calculate `Delta G^@` for the reaction
`Zn (s) + Cu^(2+) (aq) rarr Zn^(2+) + Cu(s)`
Given: `E^@` for `(Zn^(2+))//Zn = -0.76 V` and
`E^@` for `(Cu^(2+))//Cu = +0.34 V`
R= 8.314 `JK^-1 mol^(-1)`
F= 96500 `Cmol^(-1)`

(b) give two advantages of fuel cells.

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