Contenidos:1.- The scope of thermodynamics, chemical thermodynamics and statistical thermodynamics -- 2.- Physical units, accepted constants, and empirical temperatures -- 3.- Historical background of first and second laws of thermodynamics -- 4.- Equations of state -- 5.- The first law of thermodynamics and its formal applications -- 6.- Formal treatment of the first and second laws of thermodynamics -- 7.- Equilibria between two or more phases of a pure substance -- 8.- Partial molal quantities -- 9.- Generalized thermodynamics (the methods of J. Willard Gibbs, part I) -- 10.- Imperfect gases, fugacity and entropy diagrams -- 11.- Solutions, tha activity of non-electrolytes -- 12.- Systematic calculation of heat content (enthalpy), free energy, and entropy changes in chemical reactions, the equilibrium constant, use of tables, the third law of thermodynamics -- 13.- Solutions of electrolytes -- 14.- Electromotive force of cells -- 15.- Thermodynamics involving variables other than pressure, temperature, and composition -- 16.- Energy levels of particles, atoms, and molecules, atomic and molecular spectra -- 17.- Introduction to statistical mechanics, the distribution laws -- 18.- Thermodynamics functions for systems of localized elements -- 19.- Calculation of the thermodynamic properties of diatomic gases -- 20.- Calculation of the partition functions and thermodynamic properties of crystals -- 21.- Calculation of the magnetic contribution to thermodynamic properties -- 22.- Calculation of the magnetic contribution to thermodynamic properties -- 23.- The general principles of statistical mechanics (methods of J. Willard Gibbs. part II).-