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Entropy of adsorption of n-pentane on molecular sieve Calsit 5

M. Šefčíková, E. Kossaczký, and D. Bobok

Department of Chemical Engineering, Slovak Technical University, 880 37 Bratislava


Abstract:  A relation for calculation of the entropy of translational motion of molecules with one degree of freedom as well as a relation for calculating the rotational entropy of СНз groups is derived. The number of degrees of freedom of the adsorbate molecules is determined by comparing the entropy found from experimental data with the entropy calculated for the molecules of adsorbate with different degrees of freedom. We have found out t h a t the number of translational degrees of freedom of the adsorbate molecules decreases with the quantity adsorbed while the rotational and vibrational degrees of freedom remain in the main unchanged.

Full paper in Portable Document Format: 292a191.pdf


Chemical Papers 29 (2) 191–198 (1975)

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