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Corrosion Problem: Electrode Electrode Pb (s) PbCh (s) HCl (aqueous) AgCI (s)Ag (s) The emf of the cell represented in the accompanying diagram is 0.490 V at 25°C and the temperature coefficient is-1.84 × 10-4 VpC. All the compo- nents are present as pure solids in contact with an HCl electrolyte. (a) Write the half-cell reactions. (b) Write the overall cell reaction (c) Calculate the Gibbs free energy change and the entropy change for this reaction.

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/,3. Croreion Problem; Elechoode Elecoodla 69) Qナ 9 ey) Z) C) Eqnanan

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