
      problem  rocket  equilibrium  o/f=5.55157,6.5 
case=8  p,bar=53.3172 subar=1.58,pi/p=10,100,1000,supar=25,50,75
      reactants   
fuel = H2(L)  wt% 100.   t(k) 20.27 
oxid = O2(L)  wt% 100.   t(k) 90.17 
      output  siunits
      end

