Page 118 - Modeling of Chemical Kinetics and Reactor Design
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88    Modeling of Chemical Kinetics and Reactor Design

                                The result shows that –182,355 J/gmol CO  must be removed. The
                                                                        2
                              results of the ENTHALP1 computer program (S.I. units) for the heats
                              of reaction at 298 K and 723 K respectively are shown in Table 2-2.



                                                        Example 2-3
                                Using the standard heats of formation of the reaction components,
                              calculate the standard heat of reaction and the heat of reaction at
                              system temperature of 350°C and 1 atm. The reaction is:

                                 α A + α B →  α C +  α D
                                  1     2      3     4
                                The system temperature T = 623 K
                                Number of components     n = 4
                                                                 =
                                Reaction coefficients    α =  1,  α 2,  α = 1,  α =  0
                                                                       3
                                                          1
                                                                             4
                                                 +
                                                           2
                                                              d
                                 C =+ ×10    −2 T c ×10 −5 T + ×10 −9  T 3  cal
                                     a b
                                  p
                                                                         gmolK

                                                          Table 2-2
                                   The standard heat of a chemical reaction calculation:
                                                    aA + bB  → cC + dD
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