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For a Ag-Zn button cell, the net reactio...

For a Ag-Zn button cell, the net reaction is
`Zn (s)+Ag_(2)O(s)rarrZnO(s)+2Ag(s)`
`DeltaG_(f)^(@)(Ag_(2)O)=-11.21kJ "mol"^(-1)` and
`DeltaG_(f)^(@)(ZnO)=-318.3kJ "mol"^(-1)`
The `E_("cell")^ (@)` of this button cell is

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