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(Solved): 4. Pb(s)PbSO4(s)Hg2SO4 (s) Hg(l) (a) Write the cell reaction and electrode half-reactio ...
4. Pb(s)∣PbSO4(s)∣∣Hg2SO4 (s) ∣Hg(l) (a) Write the cell reaction and electrode half-reactions. Calculate (b) the standard cell potential, (c) equilibrium constant of the cell, and (c) ΔrGθ,ΔrHθ, and ΔrSθ at 25∘C. The temperature coefficient of the cell potential is 1.74×10−4VK−1. R=8.314Jmol−1K−1,F=96485Cmol−1PbSO4+2e−→Pb+SO42−Hg2SO4+2e−→2Hg+SO42−Eθ=−0.36VEθ=+0.62V