Inductive Capacity and Latent Heat of Vaporization. 117 



Table I. 

 Formic- Acid Esters, H . C0 2 (C n H 2 „+i). 



Carbon atoms in Alcohol ] 

 radical (n) J 







(Acid.) 



1 



2 



3 



4 



5 





(Hydrogen) 



Methyl. 



Ethyl, 



Propyl. 



Isobutyl. 



Amyl. 





Latent heat of vapor. (X) ... 

 Spec. Induct. Capacity (K)... 



120-7* 

 [12-3] 



(105-8) 

 99 



10-7 



92-2 

 9-1 



85-2 

 [8-7] 



770 



8-4 



Iso.71-7 



7-7 



Ratio— 



— 



10-1 



— 



9-2 



9-3 







Mean 



=9-83+0-35. 



* Eavre and Silbermann. 



Table La. 

 Formic-Acid Esters, H. C02(CJE 2n+ i). 



Carbon atoms in Alcohol [ 

 radical (11) j 





 (Acid.) 



1 



2 



3 



4 



5 



Name of Radical 



(Hydrogen) 



: Methyl. 



Ethyl. 



Propyl. 



Isobutyl. 



Amyl. 





Absol. boiling-temp. (T) 



Molecular weight (M) 



374 

 46 



305 

 60 



327 

 74 



354 



88 



371 



102 



Iso. 396 

 116 





Calcul. latent heat of! ~ ,\ 

 vaporization J^ '' 



Spec. Induct. Capacity (K)... 



(169-1)* 



105-8 

 9-9 



91-9 

 9-1 



83-7 

 [8-6] 



75-7 

 8-4 



7L0 



7-7 



Ratio — 



— 



10-7 



10-1 



— 



9-0 



9-2 



K 





Mean =9 75 ±040. 



* This would give [17'3] for E, which is undoubtedly too high. 



