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At 25^(@)C the emf of the cell Pb|PbCl...

At `25^(@)C` the emf of the cell
`Pb|PbCl_(2) HCl (0.5 M) || HCl (0.5 M) |AgCl_((s))|Ag` is 0.49 volts and its temperature coefficient `(dE)/(dT)=-1.8 xx 10^(-4)` volt/kelvin. Calculate
(a) The enthalpy change when 1 gm mol of silver is deposited and
(b) The heat of formation of AgCl, if the heat of formation of lead chloride is -8600 cal.

Text Solution

Verified by Experts

The correct Answer is:
(a) `4.1555" cal mol"^(-1) K^(-1)`
(b) -30506 cal/mole
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