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13 Dec 2019

The cell diagram for the lead-acid cell that is used inautomobile and truck batteries is

Pb(s) l PbSO4 (s) l H2SO4 (aq) l PbO2(s), PbSO4(s) l Pb (s)

where the comma between PbO2 (s) and PbSO4 (s) denotes aheterogeneous mixture of the two solids and the right-hand leadelectrode is nonreactive.

a)Write a balanced equation for the net cell reaction:

b)Look up standard potentials for the oxidation and thereduction reactions, then calculate the value of E0cell.

c) Calculate the value of deltaG0rxn

d) Calculate the value of Ecell at 25C is [H2SO4] = 10.0M

e) How many lead-acid cells are in a 12 V car battery? Round tothe nearest integer.

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Nestor RutherfordLv2

21 Apr 2020

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