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由△_fG~e_(B·m)(或△_fH~e_(B·m))的“定义”求△_rG~e_m)(或△_rH~e_m)公式的推导法,比通用的由“定义”结合“规定”等推导法严密可信,不仅揭示了问题的本质,而且可节省由于列出大量的稳定单质的△_fG~e_(B·m),△_fH~e_(B·m)数据所浪费的纸张和精力。有利于教学质量的提高。
The derivation of the formula of Δ_rG_e_m (or △ _rH ~ e_m) from the definition of Δ_fG_e_ (B · m) (or △ _fH ~ e_ (B · m)) is more general than the general definition of “ ”The combination of the“ rules ”and other inference methods are reliable and credible, which not only reveals the essence of the problem but also saves the data of △ _fG ~ e_ (B · m) and △ _fH ~ e_ (B · m) listed a large number of stable elements Wasted paper and energy. Is conducive to the improvement of teaching quality.