Thermodynamic functions, laws of thermodynamics, properties of entropy, criteria for spontaneity and equilibrium, properties of free energy, Gibbs and Maxwell's relations. Chemical potential, ideal and real gases, properties of fugacity, mixing and excess functions. Chemical equilibrium, Le Chatelier's principle, partial molar quantities, standard states. Phase equilibrium involving one, two and three components. Equilibrium in condensed phases: ideal solution and colligative properties, binary solutions and azeotropes. Non-ideal systems, activity and activity coefficients. Thermodynamic formulation of surface phenomonena.

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