— 589 — 
Tavora IV. 
Solfuro di carbonio C. Sa 
i ; Va Va ; 
F T Va VA Vr Vi Vr Vr 5 Ve 
Regnault Hirn Hirn Pierre Pierre Thorpe | Thorpe 
| 20] — 34,84 | 0,961431| 0,908929| 0,911122| 0,908816 | 0,960530 | 0,908437 
60| — 15,52 | 0,982275| 0,928625 | 0,982569| 0,929096 | 0,984767 | 0,931360 
160| + 5,00 | 1,005881| 0,950952 | 1,005736 | 0.951003 | 1,008782 | 0,951235 
260| 16,56 | 1,019796| 0,964107| 1,019337 | 0,963863| 1,0194388 | 0,964151 
360] . 24,92 | 1,030143| 0,9783889 | 1,029551| 0,973522| 1,029635| 0,973794 
460] 31,57 | 1,038553| 0,981839| 1,0837950 | 0,981463| 1,037984| 0,981691 
560| 37,15 | 1,045743| 0,988637| 1,045215| 0,9883383 | 1,045179| 0,988495 
660] 41,98 | 1,052070| 0.994618| 1,051679 | 0,994445 | 1,051560 | 0,994531 
760| 46,26 | 1,057762 ] 1,057553 1 1,0573438 1 
1260| 62,68 | 1,080434| 1,021339| 1,081537| 1,022678| 1,080790 | 1,0221975 
1760]. "74,59 | 1,097849| 1,0387897 | 1,100579 | ‘1,040684 | 1,099282| 1,039664 
2260| 84,11 | 1,112478| 1,051718| 1,116941| 1,056156| 1,115067| 1,054593| 
2760| 92,15 | 1,125398| 1,063942| 1,131637| 1,070052| 1,129177| 1,067938 
3260| 99,15 | 1,137122| 1,075205| 1,145122| 1.082803| 1,142085| 1,080146 
3760j 105,40 | 1,148004| 1,085305 | 1,157749| 1,094743| 1,154130| 1,0915388 
4260| 111,05 | 1,158205 | 1,094958 | 1,169666 | 1,106011| 1,165467| 1,102260 | 
| 5260| 121,04 | 1,177182| 1,112898 e Zi Ses Dai 
6260| 129,74 | 1,194795| 1,129549 — — —. | 
7260) 137,50 | 1,211459 | 1,1458304 
8260 144,55 | 1,227454| 1,1604235 — — | 
9260] 151,03 | 1,242939 | 1,175064 | 
10260] 157,05 | 1,258048 | 1,1839348 
Osservazioni. — 1 valori di T sono dedotti dalla formula logF =@+-ba'+-cy, 
dove: 
t=T--20 a= 5,4011662 h ==: — 3,4405663 c-= — 0,2857386 
loga = 1,9977628 logy= 1,9911997 
che rappresenta i resultati delle esperienze di Regnault fra T——16 e T—= 136. 
Regnault, Mémoires ecc. t. XXVI, pag. 401. 
Per i valori di T hanno servito le formule: 
V,=1-4-0,0011680559 T--0,0000016489598 T? — 
— 0,00000000081119062 T*-0,000000000060946589 T' 
verificata fra  —=22° e T= 146°. 
Hirn, Mémoire sur la thermodinamique, pag. 29. 
Vs=14+-0,001139803834 T-+0,000001370651 T?---0,000000019123 T* 
verificata da T—=—34 a T= 59,55. 
Pierre, Ann. de Chim. et de Phys. 3° s. t. XV, pag. 360. 
Vi=1--0,00115056 T-+-0,00000111621 T?-{-0,000000017476 T3 
data dal Thorpe. 
Vedi Watt's, Dictionary of Chemistry, vol. VIII, pag. 2120 e Journal of the 
chemical Society, March 1880. 
