FLUIDITY AND TEMPERATURE

135

XXXIV.—THE CONSTANTS IN THE EQUATION T = A? -f- c -~

Substance
A
B
C
Mean per cent difference

1
2
Water ...................... Bromine ................ •
0.27727 0.79098
1,263.3 1 376 3
278.80 227 16
0.17 '
OfkO

Nitrogen peroxide .
0 32274
3 837 6
231 92

4.
Pentane .....................
0.16544
14,937.0
256.61
OfiO

5
Isoocnt&nG. . ................
0.18327
10,454 0
234 17
OA«3

6
Hexs.n.6 ..................
0.21892
9,137.8
254 03
0(\*±

7
Isohexanc ...............
0 . 20708
9,562 8
252 85
0{\K

g
Hept&ns ..... .............
0.23203
8,681 2
272 70
Ono

0
Isohcptans .... ......
0 . 22445
869 84
267 35
01 O

10
Octane .....................
0.27055
6,332.6
277.25
0 16

11
TriEtiethyl ethylen^*
0.21942
6,770 3
203 56
Of)£*

12

0.21505
7,126 5
208 74
0 09

13
Diallyl ..................
0.19818
9,774.4
247 75
0 06

14
IVIethyl iodide . . . . ...
0.44916
3,107 1
215 85
Om

15
Ethyl iodide . .............
0 . 43828
4,348 2
243 29
0 04

i ft
Pro"pyl iodide
0.46571
3,474 4
255 85
01 -t

17
18
Isopropyl iodide .............. Isobutyl iodide ...............
0.41279 0.46881
4,108.8 2,727.2
262.07 264.30
0.14 0 23

19
Allyl iodide
0.47443
2,994 0
249 80
0 11

2O
Ethyl bromide .............
0.35853
4,073.2
217 39
0 02

21
Propyl broKiide
0.36084
4,950 6
248 95
0 04

22
Isopropyl bromide . . .
0.33069
5,009.9
248 57
0 03

23 24
Isobutyl bromide ............. Allyl bromide
0.34098 0.36448
4,754.4 4,467 7
270.75 241 77
0.20 0 Q6

25
Eth.ylene bromide ......
0 . 68897
1,421. 6
277 92
0 23

26
Propylene bromide ...........
0 . 64567
1,463.0
278.53
0 34

27
28
Isobutylene bromide .......... Acstylene bromide ............
0.65358 0 . 63374
1,060.2 2,275.3
288.40 249.46
0.04 0 12

29 3O
Propyl chloride ........ ...... Isoprot>yl chloride ....
0.25540 0.24993
7,465.2 5,881.9
246.74 234.22
0.05 0 Ol

31
Isobutyl chloride ...........
0.28656
4,973.0
253.00
O.O2

32
Ally! chloride
0.26292
6,377 2
234 10
0 O3

33
34
Methyl ene chloride ........... Ethtylene chloride ..........
0.39806 0.44121
2,666.5 2,219.3
212.97 258.83
0.04 O.O8

35
Ethylidcne chloride
0 . 33277
4,651.6
247.99
O.O4

36
Chloroform ............
0.40697
4,400.0
245.73
O.O7

37
Carbon. tetracliloride ..........
0.47337
1,807.5
262. 15
O.O8

38
Carbon dichloride
0.55768
3,081.6
259.13
0.20

39
C&rbon disulfide .....
0.26901
16,751.0
282.23
0,17

4O
Methylsulfide ...............
0.25514
8,387.6
230.57
O.O1

41
Ethylsulfi.de
0.28517
6 , 447 . 9
258.00
O.ll

42
Xhiopheiie ....... •
0.38204
2,967.2
254.95
O.O9

43
DirnethxyUcetone ..............
0.23871
8,906.0
247.64
O.O3

44 45
Methylethylketone ........... Diethylketone ......
0.27275 0.28145
5 , 572 . 6 6,179.3
252.32 262.41
O.O8 0.16

46

0.29251
5 , 544 . 3
263.21
0.15

47

0.15205
18,364.0
265.13
O.O06

48
Formic acid ...............
0.52465
963.4
281.57
0.19