BETWEEN THE VISCOSITY OF LIQUIDS AND THEIR CHEMICAL NATURE. 653 
Molecular Viscosity Work (17 x specific molecular volume = 17#) at 
SLOPE -0^^323. 
(17 in dynes per square centim. X specific molecular volume in cub. centims. X 10^.) 
Homologues. 
)]d?. 
Difference. 
Pentane . 
329 
86 
Hexane . 
415 
80 
Heptane. 
495 
79 
Octane. 
574 
Isopentane . 
320 
85 
Isohexane . 
405 
77 
Isoheptane . 
482 
Isoprene . 
284 
72 
Diallyl .. 
356 
Methyl iodide. 
255 
86 
Ethyl iodide .. 
341 
84 
Propyl iodide. 
425 
Isopi’opyl iodide. 
417 
88 
Isobutyl iodide. 
505 
! 
i 
Ethyl bromide. 
282 
71 
Propyl bromide. 
353 
Isopropyl bromide. 
346 
87 
Isobutyl bromide. 
433 
Ethylene bromide. 
450 
76 
Propylene bromide. 
526 
Isopropyl chloride. 
290 
74 
Isobutyl chloride. 
364 
Methylene chloride. 
241 
85 
Ethylene chloride. 
1 
326 
