net cell vоltаge = (reductiоn pоtentiаl reаction at cathode) - (reduction potential reaction at anode) Q = I x t = n x F mass = moles x molar mass F = 96485 C/mol e- surface area = length x width volume = length x width x depth a) Select two of the different types of batteries that we examined in Module 14 and compare them in terms of design and function. b) Explain the difference between primary cells and secondary cells, include examples for each.