Oneeq11b

Name: Oneeq11b - Chemical Equilibrium - 2nd Formulation
Source: Eberhart, J. G., 1986, J. chem. Educ. 63, 576.
Reference/s Shacham, M. 1989, Chem. Engng. Sci., 44(7), 1495
       
Model: 1 implicit equation, indep. variable name: x
  Average difficulty level
  Constraints: 0<=x<=1
  Discontinuities: function undefined for x=0.5
  Initial range: xmin=0, xmax=1.0
       
Solved by Shacham, M., POLYMATH 5.1, build 19, Nov. 24, 2000
       
Model Eqs. Chemical Equilibrium - 2nd Formulation |POLVER05_0

EXCEL FILE 

f(x) = (b-(((c+2*x)^2*(a+b+c-2*x)^2)/(kp*P^2*(a-x)))^(1/3))/3-x #

TEXT FILE  

a = 0.5 #

POLYMATH FILE 

b = 0.8 #
  c = 0.3 #
  kp = 604500 #
  P = 0.00243 #
  x(min)=.001, x(max)=.7
       
Variable/function values Variable Value f(x)
  x 0.6

9.4633E-04
       
Root 1 Variable Value f(x)
  x

0.058654571042804

-5.5971E-12
       
Root 2 Variable Value f(x)
  x

0.600323117488527

-1.9528E-10
       
Function plot