This book is the second of the 7-volume series, which provides an extensive coverage of Physical Chemistry. Sixth edition of Volume 2 exhaustively describes the Basic Principles of Thermodynamics and Chemical Equilibrium. Latest IUPAC recommendations and SI units have been used throughout the book. New additions to the sixth edition include: (i) expressions relating inversion temperature and Boyle Temperature, and (ii) the quantitative variations of reduced inversion temperature with reduced pressure of gases based on van der Waals Berthelot, Dieterici and Redlich-Kwong equations of state.Salient Features:• Expanded coverage of derivations on expressions relating Boyle temperature and inversion temperature for all states of equations • Detailed discussion on expressions relating Reduced Inversion Temperature and Reduced Pressure for all states of equations• Extensive chapter-end numerical including Revisionary Problems, Try Yourself Problems and Numerical Problems