1.

Calculate the maximum possible electric work that can be obtained from the following cell under the standard conditions at 25^(@)C : Given Zn|Zn^(2+)(aq)||Sn^(2+)(aq)|Sn(s) At 25^(@)C,E_(Zn^(2+)(aq)|Zn(s))^(@)=-0.76V E_(Sn^(+)(aq)|Sn(s)=-0.14V.)^(@) F=96500C" mol"^(-1)

Answer»

Solution :`E_("CELL")^(@)=E_("cathode")^(@)-E_("anode")^(@)`
`E_("cell")^(@)=-0.14-(-0.76)`
`=-0.14+0.76`
`=+0.62`
`DELTAG^(@)=-nFE_("cell")^(@)`
`=-2xx96500xx0.62`
`=-11966CV(J)`
`DeltaG^(@)=-11.966kJ`.


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