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E_cell = E_cathode - E_anode (reduction potentials). Nernst: E = E_standard - (0.0592/n)log(Q) at 25 C. At equilibrium: E = 0, E_standard = (0.0592/n)log(K). Thermodynamics: delta_G = -nFE, delta_G_standard = -nFE_standard = -RTln(K). Entropy: delta_S = nF(dE/dT). Faraday: m = MIt/(nF), 1 F = 96485 C. Conductance: G = 1/R (S), kappa = G*(l/A) (S/cm). Lambda_m = kappa*1000/C (S.cm^2/mol). Kohlrausch: Lambda_m_infinity = nu+*lambda+ + nu-*lambda-. Dissociation: alpha = Lambda_m/Lambda_m_infinity. Concentration cell: E = (0.0592/n)log(C_high/C_low). Quick conversions: 1 F deposits 108 g Ag, 31.75 g Cu, 9 g Al. Volume at STP: 1 mol gas = 22.4 L. 0.0592/n gives the voltage change per decade of Q.