The batteries used in automobiles are rechargeable and consist of Pb and PbO2 anodes and cathodes respectively immersed in 6 M H2SO4 solution. Standard reduction potentials at 25°C are as follow: E°( PbSO4/Pb) = - 0.35 V and E°( PbO2/PbSO4) = 1.69 VAn automobile’s headlights typically draw 6.1 amperes of current. A typical electrode contains about 260 g PbO2 . How long will it take for a battery to run down (until all the PbO2 has been consumed) if the lights are left on after the engine is turned off?

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 160MP: The table below lists the cell potentials for the 10 possible galvanic cells assembled from the...

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The batteries used in automobiles are rechargeable and consist of Pb and PbO₂ anodes and cathodes respectively immersed in 6 M H₂SO₄ solution. Standard reduction potentials at 25°C are as follow: E°( PbSO₄/Pb) = - 0.35 V and E°( PbO₂/PbSO₄) = 1.69 V

An automobile’s headlights typically draw 6.1 amperes of current. A typical electrode contains about 260 g PbO₂. How long will it take for a battery to run down (until all the PbO₂ has been consumed) if the lights are left on after the engine is turned off?

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