CHEN 3101 Chapter Notes - Chapter 11: Van Der Waals Equation, Gibbs Free Energy, Specific Volume
Document Summary
Two-constant equations of state: can be classified by number of adjustable constants they include, van der waals equation. Contant b is intended to account for finite volume occupied by molecules. The term accounts for forces of attraction between molecules and is the universal gas constant. The redlich kwong equation is explicit in pressure but not in specific volume or temperature. Like the van der waals equation, the redlich kwong equation is cubic in specific volume it is more accurate, particularly at higher pressures. Redlich kwong equation have been proposed to achieve improved accuracy: generalized form. The beattie bridgeman equation can be expressed in a truncated virial form as: the five constants a, b, c, a, and b appearing in these equations are determined by curve fitting to experimental data. The extended the beattie bridgeman equation involves 8 constatns in addition to the gas constant.
