Oneeq12

Name: Oneeq12 - Volume from Virial Equation of State
Source: Chang, H. and Over, I. E., 1981, Selected Numerical Methods and Computer
  Programs for Chemical Engineers. Sterling Swift, Manchacha, TX.
Reference/s Shacham, M. 1989, Chem. Engng. Sci., 44(7), 1495
       
Model: 1 implicit equation, indep. variable name: v
  Lower difficulty level
  Constraints: v>0
  Discontinuities: function undefined for v=0.0
  Initial range: vmin=100, vmax=300
       
Solved by Shacham, M., POLYMATH 5.1, build 19, Dec. 12, 2000
       
Model Eqs. Volume from Virial Equation of State |POLVER05_1

EXCEL FILE 

f(v) = (R*T/P)*(1+b/v+c/v^2)-v #

TEXT FILE 

b = -159 #

POLYMATH FILE 

c = 9000 #
  P = 75 #
  T = 430.85 #
  R = 82.05 #
  v(min)=100, v(max)=300
       
Variable/function values Variable Value f(x)
  v 200 2.6805E+00
       
Root Variable Value f(x)
  x 213.001818272273 0.0000E+00
       
       
Function plot