The tutorial briefly describes the basic principles of chemical thermodynamics and their application to the calculation of thermodynamic chemical reactions. The textbook is intended for students of higher educational institutions studying under the master's program "Materials Science of Nanomaterials and Electronic Components" of the direction of training masters "Technical Physics." It can also be used to train students in the areas of training "Materials Science and Materials Technology," "Metallurgy," in continuing education systems, in institutions of additional professional education.