Calculation of Cell Voltage(2) S.J.T.U. Phase Transformation and Applications W=-EZF W1-2=-(p2-41) △G=-EzF (42-功)=E △G°=-E°zF E:the voltage of the cell Z:the number of moles of electrons transferred for the chemical equations as written The relationship between the electrical potential of a cell and the change in Gibbs free energy between the reactants and products SJTU Thermodynamics of Materials Springl 2008( X.J.Jin Lecture 11 Electrochemistry IlPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Springl 2008 © X. J. Jin Lecture 11 Electrochemistry II Calculation of Cell Voltage (2) = −EzFW =Δ −EzFG zFEGo o −=Δ E: the voltage of the cell Z: the number of moles of electrons transferred for the chemical equations as written The relationship between the electrical potential of a cell and the change in Gibbs free energy between the reactants and products W − = − φ −φ1221 )( Q φ −φ12 )( = E