265 



TABLE 247.— RELATIVE VOLUMES FOR O, AIR, N, AND H AT VARIOUS 

 PRESSURES AND TEMPERATURES 



(Volume at 0°C and 1 atm being taken as 1,000,000) 



TABLE 248.— RELATIVE VALUES OF pv FOR ETHYLENE 



pv at 0°C and 1 atm = 1 



_ ^ a ■ 



Atm 0° 10° 20° 30° 40° 60° 80° 100° 137°. 5 198°. 5 



46 — .562 .684 — — — — — — — - 



48 — ■ .508 — — — — — — — — 



50 .176 .420 .629 .731 .814 .954 1.077 1.192 1.374 1.652 



52 — ,240 .598 — — — — — — — 



54 — .229 .561 — - — — — — — — 



56 — .227 .524 — — — — — — — 



100 .310 .331 .360 .403 .471 .668 .847 1.005 1.247 1.580 



150 .441 .459 .485 .515 .551 .649 .776 .924 1.178 1.540 



200 .565 .585 .610 .638 .669 .744 .838 .946 1.174 1.537 



300 .806 .827 .852 .878 .908 .972 1.048 1.133 1.310 1.628 



500 1.256 1.280 1.308 1.337 1.367 1.431 1.500 1.578 1.721 1.985 



1000 2.289 2.321 2.354 2.387 2.422 2.493 2.566 2.643 2.798 — 



TABLE 249.— RELATIVE VALUES OF pv FOR CARBON DIOXIDE 



SMITHSONIAN PHYSICAL TABLES 



