(Solution) - a Write the reactions for the discharge and charge of -(2025 Original AI-Free Solution)

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(a) Write the reactions for the discharge and charge of a nickel-cadmium (nicad) rechargeable battery.
(b) Given the following reduction potentials, calculate the standard emf of the cell:

(c) A typical nicad voltaic cell generates an emf of + 1.30. Why is there a difference between this value and the one you calculated in part (b)?
(d) Calculate the equilibrium constant for the overall nicad reaction based on this typical emf value.