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AP Physics C: E&M/Unit 9 – Electric Potential
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EMF from Gibbs Free Energy

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A redox reaction within a battery transfers 2.0 electrons and has a corresponding change in Gibbs free energy of –3.8×10⁻¹⁹ J. What is the electromotive force (emf) of the battery?

A

1.2 V

B

3.8 V

C

0.6 V

D

2.4 V

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