Page 77 - Corrosion Engineering Principles and Practice
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C h a p t e r   4


 56
                                             −907336
                                                −841778
                                                     Thermodynamic Data of Soluble Species Involved in the Operation of an Aluminum-Air Power Source
                                                 75.06
                                                −284.94


                                             −0.00166
                                                    0.0055
                                                −0.37
                                                 0.13
                              A G 0   (333 K)  ) C p   (J mol −1 (J mol −1  K −1 )  B  −234.9      118.75  −0.005      0.065  −157849  −452.03      0.0055  −0.37  −474876      372.84  −0.00166      0.13  −689651      267.95 −0.00166      0.13  C o r r o s i o n   T h e r m o d y n a m i c s    57
                            (298 K)  )  (J mol −1  −20.9  20.968  −384.45  −184.06  184.43  117.31
                           Š 0
                           S 0   (298 K)  )  (J mol −1  0    41.888     −321.75  −142.26    205.35  96.399
                           G 0   (298 K)  )  (J mol −1  0  −157277  −485400  −694100  −900000  −838968


                              Species  H +  OH –  Al 3+  Al(OH) 2+  +  Al(OH) 2  –  AlO 2  TABLE 4.4
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