BALANCEO DE REACCIONES QUIMICAS POR METODO ALGEBRAICO

BALANCEO DE REACCIONES QUIMICAS POR METODO ALGEBRAICO, DE LA PAGINA 16 DE LA ANTOLOGIA DE QUIMICA II

            A            B             C            D         E

             MnO₂ + 4HCI à  MnCI₂  + CI₂ + 2H₂ O

         Mn = A = C                              2 (1) = E      2(2) = B

         O = 2A = E                               2 = E          B = 4

         H = B = 2E

         CI = B = 2C + 2D                              4 = 2(1) + 2D

                                                                    2D = 2 – 4

                                                                     2D = 2              

                                                                      D = 2/2

                                                                         D = 1

       A       B          C

                        N₂ + 3H₂ à 2NH₃

N = 2A = C           C = 1       B = 3      A = 1

H = 2B = 3C

2B = 3 (1)

2B = 3

B = 3/2

     A          B          C        D

3.                        2I₂ O₅ + 5CO à 2I₂ + 5CO₂

A = 1         C = 1        D = 5    B = 5

1 = 2A = 2C          2(1) = 2C

O = 5A = 2D          2C = 2

C = B = D                 C = 2/2

                                  C = 1