Physical chemistry, as a field of study, deals with the physical properties of chemical substances. It is the study of chemical structures using the concepts of energy, force, motion, etc. The theories and concepts of physical chemistry also have relevance across various fields of study such as photochemistry, material science, thermokinetics, etc. This book elucidates new techniques and their applications in a multidisciplinary approach. It attempts to understand the multiple branches that fall under the discipline. It aims to serve as a resource guide for students and experts alike and contribute to the growth of the discipline. For someone with an interest and eye for detail, this book covers the most significant topics in the field of physical chemistry.