The book Physical Chemistry covers in detail various topics in physical chemistry including topics on gases, adsorption on surfaces, first and second laws of Thermodynamics, phase equilibria and phase diagrams, electrode systems, electrode surfaces, and electrode processes, chemical kinetics, statistical thermodynamics, and quantum mechanics. The book is suitable for all levels of university teaching at both undergraduate and postgraduate levels.In the book, there is a systematic approach to the derivation of the various equation and solutions to sample problems.