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In the button cells widely used in watch...

In the button cells widely used in watches and other devices the following reaction takes place: `Zn(s) + Ag_2O(s) + H_2O(l) rarr Zn^(2+)(aq) + 2Ag(s) + 2OH^(-)`. Determine `Delta_rG^@` and `E^@` for the reaction.

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