The book deals with the viscosity, fluidity and density of substances based on the concept proposed by the authors chaotical particles, allowing to display a solid, liquid and gaseous states of their unstructured component. As its basis the Boltzmann's distribution of the kinetic (thermal) energy of the particles responsible for their chaotic state was taken. For the liquid state the regularities of change of viscosity, fluidity and density on temperature, as well as the mutual consistency and coherence with-in a united cluster and associate model without considering the specific structure of...