ON EVAPORATION AND DISSOCIATION. 
147 
Temperature. 
V olume of 1 grm. 
Pressure. 
Vapour-density. 
• O 
c. cs. 
mms. 
260 
9-72 
31,867 
53-85 
8-78 
32,961 
57-69 
7-83 
.34,138 
62-45 
6-88 
35,275 
68-75 
6-41 
35,646 
73-06 
V apour-pressure 
= 35,955 
26.3-64 
9-73 
32,467 
53-21 
(Critical 
8-78 
33,854 
56-54 
Temperature) 
7-83 
35,224 
60-92 
6-88 
36,433 
67-01 
j 
5-94 
37,309 
75-85 
4-99 
37,940 
88-66 
4-05 
37,969 
109-20 ! 
3-11 
38,068 
141-80 1 
2-64 
39,037 
162-70 1 
270 
29-37 
16,098 
35-96 i 
26-41 
17,548 
36-69 
23-36 
19,379 
37-56 
21-39 
20,744 
.38-.32 
19-42 
22,266 
39-32 
17-44 
24,002 
40-60 
15-49 
26,076 
42-08 
13-55 
28,373 
44-23 
11-63 
30,953 
47-24 
9-73 
33,807 
51-70 
7-83 
36,917 
58-81 
5-94 
39,765 
72-00 
5-00 
40,908 
85-13 
4-05 
41,753 
98-17 
3-11 
42,824 
127-50 
i 
2-64 
45,250 
142-00 ; 
2-36 
51,749 
139-00 
280-15 
29-38 
16,572 
35-58 
26-41 
18,097 
36-23 
23-36 
19,982 
37-10 t 
21-39 
21,417 
37-80 
19-42 
23,005 
38-76 ' 
17-45 
24,907 
.39-84 
15-50 
27,073 
41-28 ' 
13-55 
1 29,609 
1 43-16 
1 
11-63 
32,469 
1 45-86 
1 
1 
9-73 
35,803 
49-72 
7-83 
39,485 
56-00 
t 
5-94 
43,429 
67-14 ■ 
5-00 
45,290 
1 76-53 
4-05 
47,200 
1 90-50 
3-59 
48,304 
1 100-00 
3-11 
60,451 
110-20 
2-83 
52,312 
116-90 
Third Quantity, C. The experiments with this quantity were made with a new 
pressure apparatus, a new volume-tube, and new pressure-gauges. Fresh samples of 
methyl salicylate and bromonaphthalene were also employed for heating the tube. 
TT 2 
