The Cell  ${\mathrm{Ag}}_{\left(s\right)}\left|{\mathrm{Ag}}_2{\mathrm{SO}}_{4\left(s\right)}\right|{\mathrm{Hg}}_2{\mathrm{SO}}_{4\left(\mathrm{aqstt}\right)}\left|{\mathrm{Hg}}_s{\mathrm{SO}}_{4\left(s\right)}\right|{\mathrm{Hg}}_{\left(i\right)}\mid P{t}_{\left(s\right)}$ has emf of 0.140V at 298K and 1 bar. Close to 298 K emf varies with temperature by 1.39 × ${10}^{-4}$ $V{K}^{-1}$. How much heat is absorbed by the cell if it discharges isothermally and reversibly to deposit one gram equivalent of copper from its aqueous solution in units of KJ? (1 F = 96479 C)