604 
1 1+B~n\3 
For n = 5,36 we have fer = 3,18 and a A. 
Let us examine what influence this has on the expectation whether 
minimum (7%): will occur for a given system or not. 
a 
d— 
If this occurst hen —— is negative for « = 0 and positive for « = 1.) 
av 
Ma id 02, Sb 
Hence ——*~—— << -— a — for c= 0. Let us think the value of a; 
a, ), 
given thus: 
ar =a, + 2(a,, — a) + (a, + a, — 2a,,) 2’, 
and 5, in a similar form: 
by = 6, + 2 (6,, —6,)¢+ (6, + 6, — 2 Die 5 
a a 
a= ob 
i b Ì b 
The quantity ae has the same sign as —. For z== 0 we have 
x as 
dis bin dis a, 
therefore <— or —<.—. We find for = 1 
a, b, b,, b, 
2 (a,, — a,) +2 (a, neen ns bs — bd Ob) O, 5 aie) 
a, b, 
or 
a, — Sines — b,, 
a, b, 
or 
ee 
bis b, 
I concluded already to these relations in my “Théorie moléculaire”. 
5 : . % U. 
For the existence of a maximum (7%), — would have to be greater 
P12 
a, a, 
than) — and, —- 
b, b, 
eee 8 
1) In this investigation 1 have assumed that RT, == 
27 
According to an 
=| a 
earlier communication (These Proc. XIII p. 1216) I demonstrated that 
8 8 ; 
RT = aE —, and that (rs) will have to lie somewhat below 8. So if I put 
21b, rs 
dT; d db d(rs) : d 
on ie ide I neglect — aie which may perhaps give rise to an error 
of importance for widely differing components. 
