1063 



From (35) with I ^T -^ I ^'293,5 = 17,13 would follow, y = 0,825, 

 referriiifj;- to a substance which would have its critical temperature 

 at 293,5. Then (see above) ,i/,' would be =: ;?„ X 2-/ = 0,471. while 

 /?,, =z /?„ X 1,708 would be =0,488. [See a. and h. of § 16; 1,708 

 for y=r 0,825 is the mean vahie of 1,8901 for y = 0,9 and 1,5266 

 for y = 0,75]. 



The above found values of /? (which will pi-obably practically 

 agree with ^,,) are all higher than the value of 3,, calculated from 

 our formula. 



h. The isotherm of — 57°,72 ; i.e. r= 215,37, m = 1,430 , and 



so 3,424 m = 4,895. From n — |i = 4,895 : (s + 5 : 7i') the following 

 table is calculated. 



Mean 0.514 



Just as above we can again tix the limits of ^, corresponding to 

 a temperature of 215 absolute. With |/r=14,68 corresponds y = 0,779 ; 

 hence |3jt' = 0,445, ^g = ^^ X 1,597 = 0,456. Again (?, calculated from 

 the equation of state, is higher than the value calculated from our 

 formula. 



c. Isotherm of — 102°,51 =170,58 absolute. Then m: 1,132, 

 hence 3,424 ??i = 3,8770 



Mean 0.450 

 With T~ 170,6 corresponds y =0,748, ^k' — 0,427, ^g=z^„X'i,^^^- 



