Line 1:  nreac, iwet            (free format)
 Line 2:  [blank]                (free format)
 Line 3:  descriptive title      (a80)
 Line 4:  nm, na, ng, nw         (free format)
 nm Lines:  coeff  mname  mform  (1x,f9.3,2x,a20,2x,a30)
 ng Lines:  coeff  aname  aform  (1x,f9.3,2x,a20,2x,a30)
 na Lines:  coeff  gname  gform  (1x,f9.3,2x,a20,2x,a30)
 [1 Line:   coeff  H2O    H2O]   (1x,f9.3,2x,a20,2x,a30)

*** each of the nreac reaction blocks
*** contains 3+nm+ng+na+nw lines

*******************************************************

   6   1

 Water-HKFJ
   0   0   0   1
     1.000  H2O                   H2O

 steam
   0   0   1   0
     1.000  H2O,gas               H2O

 H2,gas
   0   0   1   0
     1.000  H2,gas                H2O

 O2,gas
   0   0   1   0
     0.500  O2,gas                H2O

 water-steam
   0   0   1   1
     1.000  H2O,gas               H2O
    -1.000  H2O                   H2O

 H2O(g) = H2(g) + 0.5 O2(g)
   0   0   3   0
     1.000  H2O,gas               H2O
    -1.000  H2,gas
    -0.500  O2,gas