Introduction and First Basic Concepts.- Energy.- Entropy and Temperature.- Chemical Potential.- Influence of Temperature and Pressure on Chemical Transformations.- Concentration Dependence of Chemical Potential.- Consequences of Mass Action: Acid-Base Reactions.- Side Effects of Transformations of Substances.- Coupling.- Molecular-Kinetic View of Dilute Gases.- Substances with Higher Density.- Spreading of Substances.- Homogeneous and Heterogeneous...