Chemical Engineering is defined as a profession which uses the sciences of mathematics, physics and chemistry for the benefit of mankind. It employs chemical and physical principles for the design of processes and the conversion of raw materials into valuable products to improve life for the average person. The chemical conversions involve the preparation of useful products in large quantities using basic thermodynamics and chemical kinetics, which govern reactions. Physical conversions utilize unit operations, fluid dynamics, heat transfer, and mass transfer to separate the reactant products into useful pure chemicals. All these subjects are used in the design of chemical plants and refineries.

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