306 ILLINOIS STATE ACADEMY OF SCIENCE 



An empirical method for calculating the latent heat of 

 vaporization of normal liquids has been given which 

 gives very good results for liquids boiling from about 20° 

 Abs. up to those boiling at the highest temperature so far 

 investigated. 



BIBLIOGRAPHY. 



(1) Ruff and Bergdahl, Z. anorg. u. Allg. Chem. 106, 89 (1919). 



(2) Langmuir, Phys. Rev., 340, (1913) and 384, (1914). 



(3) Trouton, See Nernst's Theoretical Chemistry. 



(4) Bingham, See Nernst's Theoretical Chemistry. 



(5) Nernst, See Nernst's Theoretical Chemistry. 



(6) Walden, Zeit. fur Electrochemie, 14, 713, (1908). 



(7) Author. This issue. 



Contribution from the Chemical Laboratory, Illinois Wesleyan 

 University. 



