| 单词 | Debye-Hückel theory |
| 释义 | Debye-Hückel theory A theory to explain the nonideal behaviour of electrolytes, published in 1923 by P. J. W. Debye (1884–1966) and Erich Hückel (1896–1980). It assumes that electrolytes in solution are fully dissociated and that nonideal behaviour arises because of electrostatic interactions between the ions. The theory shows how to calculate the extra free energy per ion resulting from such interactions, and consequently the activity coefficient. It gives a good description of nonideal electrolyte behaviour for very dilute solutions, but cannot be used for more concentrated electrolytes |
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