Physical Chemistry: Quantum Chemistry and Spectroscopy (What’s New in Chemistry) offers a contemporary, conceptual, and visual introduction to the field. Authored by Thomas Engel, this fourth edition emphasizes the vibrant relevance of physical chemistry today, illustrating its applications in biology, environmental science, and material science. The book provides visual summaries for key concepts, offers “just-in-time” math support, and expands content to cover modern scientific topics pertinent to physical chemistry. Tutorials in Mastering™ Chemistry enhance students’ understanding of complex theories in quantum chemistry and thermodynamics while strengthening their problem-solving skills throughout the course. Ideal for courses in Physical Chemistry, this edition ensures a comprehensive and engaging learning experience.