620 
MESSRS. T. E. THORPE AND J. W. RODGER ON THE RELATIONS 
Molecular Viscosity Work at the Boiling-point, 
Table B. 
1 
i 
Observed. 
Calculated. 
: Difference 
per cent. 
i , 
1 soprene. 
195 
176 
1 
9-7 : 
Diallvl. 
242 
223 
7-9 : 
' 1 
1 
Propylene dibromide .... 
5.3.3 
565 
- 6-0 1 
Isobuiylene dibi’omide 
666 
617 
7-3 1 
Acetylene dibroinide .... 
403 
484 
- 20T 
Ethylene dichloride .... 
350 
312 
j 
10-8 ' 
Methylene dichloride .... 
236 
265 
- 12-3 1 
Chloroform. 
326 
375 
- 15-0 
Carbon dicbloride. 
436 
505 
— 15'7 
1 
Carbon bisulphide. 
189 
250 
Acetaldehyde. 
124 
135 
1 
CO 
GO 
Formic acid. 
221 
190 
140 
Benzene . 
302 
237 
21-5 
W ater. 
53 
99 
- 86-8 
Ethyl alcohol. 
275 
193 
29-8 
Propyl alcohol. 
376 
240 
36-2 
Butyl alcohol. 
410 
287 
30-0 
Isopropyl alcohol. 
404 
245 
39-3 
Isobutyl alcohol. 
461 
292 
36-6 
Inactive amyl alcohol .... 
466 
339 
27-2 
Active amyl alcohol .... 
456 
339 
25-7 ; 
Trimethyl carbinol .... 
582 
302 
481 
Dimethyl ethyl carbinol . 
507 
349 
31-1 i 
Allvl alcohol. 
277 
211 
23-9 i 
1 
The deg’ree of agreement between the observed and calculated values of the 
molecular viscosity work is practically the same as in the case of molecular viscosity, 
and the same striking exceptions occur in the case of hydroxy compounds, &c. 
