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                    II                     (٧)

                                  650 oC

2FeSO4(S)                Fe2O3(S) + SO2(g) + SO3(g)

                0.9 atm      SO3 , SO2

                                                     Kp

                                                                       ‫ﺍﻟﺤــﻞ‬

                                                                SO3 , SO2

 Kp = (PSO2)(PSO3)                     ، SO3             = SO2  
                0.9 atm =    0.45 atm = SO3              = SO2  

Kp = 0.45 X 0.45 = 0.2025

                                                                (٨)

                    NH4NO3(S)            N2O(g) + 2H2O(vap)

                    500 oC     2.63 atm

                                   . ‫ ﻟﻠﺘﻔﺎﻋﻞ‬Kp

                                                                ‫ﺍﻟﺤــﻞ‬

                                                         H2O(vap) , N2O(g)

Kp = (PN2O)(PH2O)2             ، H2O                = N2O       
     2.63 atm =                          0.88 atm = N2O         

                             1.76 atm = 2 X 0.88 atm = H2O(vap) 

Kp = (0.88) x (1.76)2 = 2.7

                               
                               

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