The temperatuer coefficient, of the emf, i.e., `(dE)/(dt) = -0.00065` Volt `deg^(-)` for the cell, `Cd| CdCl_(2)(1 M) ||AgCl(s)| Ag` at `25^(@)`.
Calcualte the entropy changes `DeltaS_(298K)` for the cell reaction,
`Cd + 2AgCl rightarrow Cd^(2+) + 2Cl^(-) + 2Ag`
A. `-105.5JK^(-)`
B. `-150.2 JK^(-)`
C. `-75.7 JK^(-)`
D. `-125.5 JK^(-)`