— 590 — 
TavoLa V. 3 
Tetracloruro di carbonio C Ch, 
Va Va Vr. 
F 1 Via Ve Vo Ve Va Inveli 
Regnault Hirn Hirn Pierre Pierre Thorpe | Thorpe 
20| — 8,68 | 0,989985| 0,900921 | 0,989549 | 0,897019| 0,989564 | 0 897693 
60| +-11,38 | 1,012585| 0,921572| 1,0138793 | 0,918996| 1,013842 | 0,919717 
160] 32,77 | 1,038372| 0,945041| 1,0410769 | 0,943450 | 1,040753 | 0,944129 
260| 44,92 | 1,054123| 0.959376| 1,056949 | 0,958117| 1,056802 | 0,958688 
360| 53,75 | 1,066051| 0,970232 | 1,069203| 0,969225 | 1,068917 | 0,969679 
460 60,82 | 1,075895| 0,979192| 1,079358| 0.978431| 1,078935 | 0,978767 
560) 66,76 | 1,084378| 0,986921| 1,088148| 0,986398 | 1,087593 | 0,986621 
660} 71,93 | 1,091925| 0,993781| 1,096006 | 0,9933522 | 1,095321 | 0,993631 
760] ‘76,52 | 1,098758 1 1,1038152 1 1,102341 I 
1260| 94,25 | 1,126456| 1,025208 | 1,132411| 1.026523 | 1,131022 | 1,026018 
1760] 107,17 | 1,148154| 1,044956 | 1,155575 | 1,047521| 1,153970 | 1,046835 
2260| 117,52 | 1,1666388 | 1,061778 | 1,1753886 | 1,065479| 1,173012| 1,064109 
2760| 126,27 | 1,183154| 1,076810| 1,193078 | 1,081517| 1,190266| 1,079762 
3260| 133,89 | 1,198290| 1,090585| 1,209232 | 1,096160| 1,206010 | 1,094044 
3760| 140,66 | 1.212389| 1,103417| 1,224203| 1,109731| 1,220589| 1,107269| 
4260| 146,78 | 1,225714| 1,115545| 1,238254| 1,122469| 1,234270| 1,1196801] 
5260| 157,48 | 1,250482| 1,138086 - — = 
6260| 165,81 | 1,273784,| 1,159294 = — _ 
1260] 175,02 | 1,2957684 1,179302 = ne —_ — 
8260] 182,40 | 1,316834| 1,198475 .— = 
9260). 189,11 | 1,337156 | 1,216970 — = 
10260 195,28 | 1,356904| 1,234943 —_ = 
Osservazioni. — I valori di T sono calcolati con la formula di Regnault: 
logfF =a+4-ba'+cy' dove a=12,0962331 b=— 9,1375180 e —1,9674890 
t=T-+20  loga=1,9997120 logy=1,9949780 
verificata da T—=—36° a T=182. 
Regnault, Mémoires ecc. t. XXVI, pag. 438 (in fine). 
Per i valori di V hanno servito le formule: 
V,=1--0,0010671883 T-+-0,0000035651378 T?—0,000000014949281 T3 
-+- 0,000000000085182318 T* 
valevole fra T.=30° a T=150°. 
Hirn, Mémoire sur la thermodinamique, pag. 34. 
V,=1--0,001183844392 T-+-0,000000898811 T®--0,0000000135135 T* 
valevole da 0° a +- 750,75. 
Pierre, Ann. de Chim. et de Phys. 3° s. t. XXXIII, pag. 213. 
Vi=1,-4-0,00120719 T-+0,00000067109 T?-{-0,000000013478 T3 
data dal Thorpe. 
Vedi Watt's, Dictionary of Chemistry, Third Supplement, part II, pag. 2120 
(Londra 1881) e Journal of the chemical Society, March 1880. 
