The overall reaction in a car’s lead-acid battery is:   Pb(s) + PbO2(s) + 2 H+(aq) + HSO4– ------- 2 PbSO4(s) + 2 H2O(l)   Calculate the cell voltage at 25°C for this cell when [H+] = [HSO4–] = 4.5 M. At 25°C, E° = 2.04 V for the lead-acid battery.

General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.127QP
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  1. The overall reaction in a car’s lead-acid battery is:

 

Pb(s) + PbO2(s) + 2 H+(aq) + HSO4– ------- 2 PbSO4(s) + 2 H2O(l)

 

Calculate the cell voltage at 25°C for this cell when [H+] = [HSO4–] = 4.5 M. At 25°C, E° = 2.04 V for the lead-acid battery.

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