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On correspondence in some Crystalline Substances at Their Melting and Boiling Points. III
Author(s) -
Gopal Ram
Publication year - 1955
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.19552790315
Subject(s) - boiling point , boiling , thermodynamics , melting point , lattice (music) , mathematics , chemistry , statistical physics , crystallography , materials science , physics , organic chemistry , acoustics
Approximate constancy of U 0 /T m and U 0 /T b among the members of different groups of similar solid substances has been shown to be due to existence of near‐correspondence among the members of individual groups at the melting (T m ) and boiling (T b ) points. The lattice theory of crystalline structure also leads to similar conclusions provided one makes a very reasonnable assumption that the equilibrium radius r 0 in different solids varies inversely as T m . Experimental data is adduced in support of this assumption. A few more cases of similar solids have been discussed besides those considered in earlier papers (2) .