Answer:-
Physical chemistry is a branch of chemistry that combines principles of physics and chemistry to study how matter behaves on a molecular and atomic level. It focuses on understanding the physical properties of molecules, how they interact, and the energy changes involved in chemical reactions. Topics in physical chemistry include thermodynamics, kinetics, quantum chemistry, and spectroscopy. This field helps explain how and why chemical reactions occur, making it essential for research and development in areas like materials science, pharmaceuticals, and environmental science. In short, physical chemistry bridges the gap between physics and chemistry to explain the behavior of matter in depth.
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