Engel and Reid's Physical Chemistry provides students with a contemporary and accurate overview of physical chemistry while focusing on basic principles that unite the sub-disciplines of the field. The Third Edition continues to emphasize fundamental concepts, while presenting cutting-edge research developments to emphasize the vibrancy of physical chemistry today. MasteringChemistry(R) for Physical Chemistry -- a comprehensive online homework and tutorial system specific to Physical Chemistry -- now accompanies this revision to reinforce student understanding of complex theory and build problem-solving skills throughout the course. 0321766202 / 9780321766205 Physical Chemistry with MasteringChemistry(R) Package consists of 032181200X / 9780321812001 Physical Chemistry 0321812239 / 9780321812230 MasteringChemistry(R) with Pearson eText -- Access Card -- for Physical Chemistry