176 
PROFESSOR ZOPP OA THE SPECIFIC HEAT OE SOLID BODIES. 
the fused salt gradually alters 
(it becomes crystallized again) with increase of volume, 
which is very considerable when the fused salt is allowed to cool very rapidly. 
Atomic 
Specific 
Atomic. 
weight. 
heat. 
heat. 
Pb 3 P 2 0 8 . . . . 
811 
0-0798 
R. 
64.7 
k 4 p 9 0 7 . . . . 
330-4 
Fused 
0-1910 
R. 
63-1 
Na 4 P 2 0 7 
266 
0-2283 
R. 
60-7 
Pb 9 P 9 0 7 . . . . 
588 
0-0821 
R. 
48-3 
Na P 0 3 
102 
0-217 
Kp. 
22-1 
CaP 2 © 6 . . . . 
198 
0-1992 
R. 
39-4 
Ag N 0 3 . . . . 
170 
0-1435 
R. 
24-4 
[ „ 
0-2388 
R. 
24-1 
KN0 3 
101-14 
, 
0-227 
Kp. 
22-9 
Ki Na 4 N 0 3 . . . 
Crystallized 
0-232 
Kp. 
23-5 
93 
Fused* 
0-235 
Pr. 
21-9 
„ 
0-2782 
R. 
23-6 
Na N 0 3 . . . . . 
85 
0-256 
Kp. 
21-8 
N 2 H 4 0 3 . . . . 
1 
[ Crystallized ...... 
0-257 
Kp. 
21-8 
80 
0-455 
Kp. 
36-4 
Ba N 2 0 6 . . . . 
261 j 
r 
0T523 
0-145 
R. 
Kp. 
39*8 
37-9 
Pb N 2 0 6 
331 
3i5 
0-110 
Kp. 
36-4 
Sr N 2 0 6 . . . . 
211-6 
0-181 
Kp. 
38-3 
K Cl 0 3 , . . . . 
122-6 j 
i Fused 
Crystallized 
5? 
0*2096 
0-194 
R. 
K P . 
25*7 
23*8 
BaCl 2 0 6 +H 2 0 . . 
322 
0-157 
Kp. 
50-6 
K Cl 0 4 . . . . . 
138-6 
0-190 
Kp. 
26-3 
K Mn 0 4 . . . . 
158-1 
5? 
0*179 
Kp. 
28*3 
89. 
So-called Organic Compounds. 
Hg€ 2 N 2 . . . . 
252 
Crystallized cyanide of mercury 
0-100 
Kp. 
25*2 
ZnK 2 0 4 N 4 . . . 
247-4 J 
\ ,, cyanide of zinc and ] 
1 potassium J 
l 0-241 
Kp. 
59-6 
BeK 3 C 6 N 6 . . . 
329-3 \ 
| Crystallized ferricyanide of po- ) 
I tassium I 
[ 0-233 
Kp. 
76*7 
Be K 4 0 6 Ng+ 3 H 2 0 
422-4 j 
[ Crystallized ferrocyanide of po- | 
[ tassium J 
\ 0-280 
Kp. 
118-3 
g 2 ci 6 
237 
Between 18° and 37° . . . 
0-178 
Kp. 
42-2 
The specific heat between 18° and 43° was found = 0T94; between 18° and 50° 
= 0-277. 
€ 10 H 8 128 Between -26° and 18° . . 0-3096 A. 39-6 
The specific heat of naphthaline was found to be 0-3208 between 0° and 20°, and 
0-3208 between 20° and 65°. 
G 27 H 54°2 
G 46 H92 6^2 
. 410 
. 676 
} 
Between —21° and 3° 
0-4287 
Pr. 
175-8 
289-8 
* Obtained as mass of constant melting-point (219 0, 8) by fusing equivalent quantities of nitrate of potass 
and nitrate of soda. 
