Calculate the potentials of the following cells.

Question

Calculate the potentials of the following cells. Indicate whether the reaction will proceed spontaneously in the direction considered (oxidation on the left, reduction on the right) or an external voltage source is needed .

(a) Pb| Pb 2 (0.1393M||Cd 2 (0.0511)|Cd

(b) Pt,H2 (765 torr) |HCl (1.00 x 10-4M)|| Ni 2 (0.0214M)| Ni

Answer 1

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