351 



§ 16. Aliphatic Derivatives. 



II. 



III. 



So 



26° 



34.6 



55 



70 



98.5 



Acetic Acid : CHo . COOH. 



Maximum Pressure H 



MX mm. mer- 

 cury of 0°C. 



in Dynes 



Surface- 

 tension X 

 in Erg. pro 

 cm2. 



Specific 

 gravity d^o 



Molecular 

 Surface- 

 energy y in I 

 Erg. pro cm2 



0.943 

 0.914 

 0.842 

 0.787 

 0.691 



1257.2 

 1218.5 

 1122.3 

 1049.3 

 921.3 



27.0 

 26.1 

 24.0 

 22.4 

 19.7 



1.046 

 1.039 

 1.022 

 1.010 

 0.987 



401.7 

 390.1 

 362.7 

 341.2 

 304.7 



Molecular weight: 60.03. 



Radius of the capillar tube: 0.04385 cm. 

 Depth : 0.1 mm. 



By repeated freezing and distilling, the liquid was thoroughly 

 ^ irified; its boilingpoint was llH^.l C. The temperature-coefficient is 

 between 26° and .5.5° C. : 1.3 and preserves that value up to the boiling- 

 point. At the last temperature the value of x is: 17.7 Erg. pro cm2. 



pu 



