Physical chemistry
Physical Chemistry
Physical Chemistry (pronounced: fiz-i-kuhl kem-uh-stree) is a branch of Chemistry that deals with the study of how matter behaves on a molecular and atomic level, and how chemical reactions occur.
Etymology
The term "Physical Chemistry" is derived from the English words "Physical" which means relating to things perceived through the senses as opposed to the mind; tangible or concrete, and "Chemistry", which is the branch of science that deals with the identification of the substances of which matter is composed.
Definition
Physical Chemistry combines principles of Physics and Chemistry to understand the physical properties of molecules, the forces that act upon them, and how they interact and react with each other. It is concerned with such topics as the Kinetics of chemical reactions, the Energy changes that occur in reactions, and the Thermodynamics of substances.
Related Terms
- Quantum Chemistry: A branch of chemistry focused on the application of quantum mechanics to chemical systems.
- Statistical Mechanics: A branch of theoretical physics that uses statistics to explain and predict the behavior of a mechanical system.
- Chemical Kinetics: The study of rates of chemical processes.
- Thermodynamics: The branch of physical science that deals with the relations between heat and other forms of energy.
- Spectroscopy: The study of the interaction between matter and electromagnetic radiation.
See Also
External links
- Medical encyclopedia article on Physical chemistry
- Wikipedia's article - Physical chemistry
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