Electrochemistry

Anode

 (ELectrochemistry)

oxidation 

 

(half reaction) Zn——- Zn+2 +2e

Cathode

Electrochemistry

Reduction

 

Cu +2  +2e——–Cu

Standard Reduction Potential

(Electrochemistry)

Ecell = Ered(cathode)- Ered (anode)

Nerst Equation

(Cell EmF under non-standard conditions)

Electrochemistry

 

   E= E° – RT/nF log Q

 

                               E°= standard emf

E=emf

                               R= ideal gas constant

                                8.324 J/mol-K

                              T = 298K

                              Q= reaction quotient

 

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