( 586-) 

 g. Point of contact isothermal (16^27 C). h. Isothermal of 17°.66 C. 



^ 4. Comparison of the mixtures according to the laro of corre- 

 sponding states loith carbon dioxide. In Comm. N". 59, Proc. Sept. 

 1900 methods are discussed for a graphical comparison of isothermals 

 of mixtures with those of a simple substance. Here as well for 



pv 

 carbon dioxide as for the two mixtures log — ^) was cU'awn as 



a function of log v for the different temperatures. (B^or the absolute 

 zero we accepted — 273°.04 C). If the law of corresponding states 

 also holds for mixtures of normal substances it must be possible to 



1) As the temperatures are so high that in the theoretical isothermals no nega- 



pv 

 live pressures occur, the drawing of log ofTers no ditllculty. 



