1) van der Waals equation
for unit mass
R = 10.731573 ft³·psia/°R·lb.mol
T = 120 oF
P = 70 psia
for van der vaals
thus we get
a = 8242.10
b = 0.7445
b) Redlich-Kwong
we get
a = 145959.86
b = 0.51601
we get
c) Soave Redlich Kwong
Tr = 0.392
w= 0.212
we get
a = 8348.96
b = 0.5160
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APPENDIX 6 PHYSICAL PROPERTIES OF FLUIDS Table A6-1 Properties of Hydrocarbons and Common Gases. Source: GPSA Enginee...