172 
PROFESSOR KOPP ON THE SPECIFIC HEAT OF SOLID BODIES. 
Atomic 
85. Oxides. 
Specific 
Atomic 
weight. 
heat. 
heat. 
Gu 2 O . . . 
. . 142-8 \ 
\ Bed copper ore 
99 
0-1073 
0-111 
N. 
Kp. 
15-3 
15-9 
H 2 0 . . . 
. . . 18 J 
[ Ice between —21° and — 2° . 
0-480 
Pr. 
8-6 
1 „ 78° „ 0° . 
0-474 
B. 
8-5 
Desains found the specific heat of ice between —20° and 0° to be 0513 ; Person, be- 
tween — 20° and 0° =0-504 ; Hess, between —14° and 0° =0-533. Person is of opinion 
that ice, even somewhat below its melting-point, between —2° and 0°, absorbs heat of 
fusion. 
GuG . . 
MgO . . 
Mn G . . . 
MO . . . 
Pb O . . . 
ZnO 
Mg 0+H 2 G 
Fe 3 0 4 
Mg Al 2 0 4 . 
Mg*Fe*Gr*Al* 
A1 2 0 3 . . 
As 2 O q . . 
b 2 0 3 
Bi 2 0 3 
0r o 0 Q 
O, 
*eTi*O a . 
Sb 2 0 3 . . 
Mn 2 0 3 +H 2 G 
79-4 
216 
40 
71 
74-8 
223 
Commercial 
Crystalline 
Feebly ignited 
Strongly ignited . 
Fused .... 
Crystalline powder 
81 
58 
232 
-{ 
Brucite . . 
Magnetic iron ore 
142-8 
196 
102-8 
198 
69-8 
468 
152-4 
160 
■i 
Spinelle 
Chrome iron ore . 
Sapphire 
Opaque 
Fused 
. 155-5 
. 292 
. 176 
Crystalline .... 
Artificial, feebly ignited 
„ strongly ignited 
Specular iron .... 
Iserine 
Fused . 
Manganite 
0-137 
N. 
10-9 
0-1420 
B. 
11-3 
0-128 
Kp. 
10-2 
0-049 
N. 
10-6 
0-0518 
B. 
11-2 
0-0530 
Kp. 
11-4 
0-276 
N. 
11-0 
0-2439 
B. 
9-8 
0-1570 
B. 
11-1 
0-1623 
B. 
12-1 
0-1588 
B. 
11-9 
0-0509 
B. 
11-4 
0-0512 
B. 
11-4 
0-0553 
Kp. 
12-3 
0-132 
N. 
10-7 
0-1248 
B. 
10-1 
0-312 
Kp. 
18-1 
0-1641 
N. 
38-1 
0-1678 
B. 
38-9 
0-156 
Kp. 
36-2 
0-194 
Kp. 
27-7 
0-159 
Kp. 
31-2 
0-1972 
N. 
20-3 
0-2173 
B. 
22-3 
0-1279 
B. 
25-3 
0-2374 
B. 
16-6 
0-0605 
B. 
28-3 
0-196 
N. 
29-9 
0-1796 
B. 
27-4 
0-177 
Kp. 
27-0 
0-1757 
B. 
28-1 
0-1681 
B. 
26-9 
0-1692 
N. 
27-1 
0-1670 
B. 
26-7 
0-154 
Kp. 
25-1 
0-1762 
N. 
27-4 
0-177 
Kp. 
27-5 
0-0901 
B. 
26-3 
0-176 
Kp. 
31-0 
