How is Gibbs energy (G) related to the c...

How is Gibbs energy (G) related to the cell emf (E) mathematically ?

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Relation between Gibb's energy (G) and emf (E) mathematically
`DeltaG^(0)=-nFE_((cell))`
`DeltaG` = change in Gibb's energy
n = number of electrons involved
F = Faraday = `96500 C mol ^(-1)`

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