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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 56, Number 2
JKCSEZ 56(2)
April 20, 2012 

A New Two-Parameter Equation of State for Pure Gases of Hard Spheres with An Attractive Potential

인력 포텐셜을 갖는 강체구형 기체에 대한 2-매개변수 상태방정식
Hae Young Jung

Equation of state, Lattice gas
Using Carnahan-Starling equation for hard spheres and a lattice model with an attractive potential, a new twoparameter equation of state for pure gases is derived. Using this equation, compressibility factors are calculated and compared with Nelson-Obert generalized compressibility factor charts. The results show that the agreement of this equation with the experimental Nelson-Obert charts is similar to that of Redlich-Kwong equation in the average. But parameters and terms of the new equation have physical meanings which are more definite than those of Redlich-Kwong equation.
207 - 211
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