The book "Elementary treatise on chemistry, volume 2. Presented in a new order and taking into account modern discoveries; with drawings" is a scientific work of the outstanding French chemist Antoine Laurent Lavoisier. In this book, the author addresses the most recent discoveries in the field of chemistry, offering a new perspective on the separation of substances and the understanding of chemical processes. The reader has the opportunity to get acquainted with the fundamental principles of chemistry, as well as to get acquainted with a large number of illustrations that help to imagine and understand various chemical phenomena. The book contains important information for the study of chemistry as a scientific discipline, and will also help the reader to deepen his knowledge in this area.