Example image of eyePlorer eyePlorer map for 'Activity coefficient': Chemical substance Mixture Thermodynamics Chemical species Concentration Enthalpy Ideal solution Partial pressure Raoult's law Fugacity Activity (chemistry) Chemical potential Mole fraction Standard state Gibbs–Duhem equation Equilibrium constant Electrochemistry Electrolyte Ionic atmosphere Gibbs free energy Determination of equilibrium constants Davies equation Debye–Hückel equation Specific ion interaction theory UNIQUAC Non-Random Two Liquid model UNIFAC Osmotic coefficient Hammett acidity function Ionic partition diagram PH Nernst equation PSRK Cell notation Edward A. Guggenheim Azeotropic distillation Gran plot UNIFAC Consortium Solubility equilibrium Water activity Chemical equilibrium Acid dissociation constant Henry's law Stability constants of complexes Peter Debye