913 
heat C, = C, corresponding to the mean temperature of the measure- 
ment use was made of the proportionality C, — 7°, which appears 
to be valid in this region. 
Table VIIi contains the comparison of the experimental values 
TABLE VIL 
Atomic heat of copper. 
ne | fen erge Male | 
| in Joules/degree. | Cp Cp in 
3 July ’14 | | 
ll 15.249 K.| 4,222 | 2.748 | 0.0500 0.0491 
HI ti Sp 0.920. | 3,805 | > Bep za, 
Iv 18.03 0.842 | __ 4.222 | 792 | m2 | 
Yves 18,80 0.726 | 4.884 930 930 
VI 19.58 0.606 | 5.305 1010 1010 
VII | 20.88 1.355 | 6.417 | 1248 | 1241 | 
| I 21.505 2.156 | 7.159 | 1414 | 1410 
TABLE VIII 
| Atomic heat of copper. 
Ra Pg | Obs —Cate. 
ae Cy : | 023035) | in 9 
| | : 
15.24 | 0.0491 | 322.3 | 0.0486 | + 0.0008 | + 1.0 
17.50 726 304.9 | 735 | — a Sid 
18.03 792 | 325.2 304 | — eg Recetas We 
18.89 | 930 | 322.9 925 | + ie ae! at 
19.58 | 1010 325.6 | 1030 | — Bois) saayh 20 
20.88 1247 ET Ne a re EEE 
21.505 1410 320.0 | 138 | + 45 | +33 
‚mean 323.5 | | 
