Apparent molal heat capacities and volumes of pyridine and methyl-substituted pyridines in aqueous solution at 25�C

1977 ◽  
Vol 6 (11) ◽  
pp. 719-725 ◽  
Author(s):  
Octavian Enea ◽  
Prem Paul Singh ◽  
Loren G. Hepler





ChemInform ◽  
1988 ◽  
Vol 19 (37) ◽  
Author(s):  
J. L. M. ABBOUD ◽  
J. CATALAN ◽  
J. ELGUERO ◽  
R. W. TAFT




1987 ◽  
Vol 65 (12) ◽  
pp. 2810-2814 ◽  
Author(s):  
Henryk Piekarski

Heat capacities and densities of dilute solutions of formamide, acetone, tetrahydrofuran, ethylene glycol, 2-methoxyethanol, and 2-ethoxyethanol in N,N-dimethylformamide were determined at 298.15 K. Apparent molal heat capacities and volumes for these solutes in DMF were calculated and compared with the analogous data for other substances in DMF solution as well as with the data concerning solutions in methanol and water. Heat capacities of cavity formation (ΔCcav) in DMF were calculated on the basis of the Scaled Particle Theory. ΔCcav appeared to be linearly correlated with the standard partial molal volume of corresponding solutes in DMF. Similar dependences were also found for aqueous and methanolic solutions of the non-electrolytes.





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