On interrelation between the internal pressure and the cohesion energy density |
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| Authors: | V N Kartsev K E Pankin D V Batov |
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| Institution: | (1) Saratov State University, Russia;(2) Institute of Solution Chemistry, Russian Academy of Sciences, Ivanovo |
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| Abstract: | The question about the definition of the “internal pressure” concept is being discussed. It is shown that the previously found differential relation between the cohesion energy density and the internal pressure is one of the examples of an absolutely general interrelation between definitely connected differential functions. It is ascertained that the ratio (the internal pressure divided by the cohesion energy density) is a structuresensitive parameter inherent to the calorific (thermal) equation of a liquid state. |
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| Keywords: | internal pressure cohesion energy density intermolecular interactions thermal equation of a state structure of liquid state systems |
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