Page 125 - Chemical equilibria Volume 4
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y          Y           Molecular Chemical Equilibria     101
                                            C                            B

                                                      K=4.038
                                                                    P

                                                       K=1
                                                        K=0.322 (1600°)


                                             O                          A    x

                                       Figure 3.17. Square diagram for chemical equilibrium
                                                 between four gases [SOU 68]


                             Thus, we deduce from it the expressions:

                                          {CO  }
                                1 x−=         2                                        [3.102a]
                                             +
                                       {CO 2 } { O }
                                               C
                           and:

                                          {HO  }
                                 1 y−=       2                                         [3.102b]
                                            +
                                       { } {H O    }
                                        H
                                                2
                                          2
                             Figure 3.17 gives the square diagram of side length of one unit, and each
                           peak of which represents a mixture of two gases as shown in Table 3.1, with
                           the proportions being variables.

                                           O               A          B          C

                                   Mixture CO 2  + H 2 O   CO + H 2 O    CO + H 2  CO 2  + H 2

                                   Table 3.1. Meaning of each of the corners of the square diagram
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