APPENDIX B.

Properties of Pure Species

Table B.l Properties of Pure Species

Molar vc
mass w TcIK P,/bar Z, cm3 mol-' T,/K
or m3 kmol-'

Methane 16.043 0.012 190.6 45.99 0.286 98.6 111.4

Ethane 30.070 0.100 305.3 48.72 0.279 145.5 184.6
Propane 44.097 0.152 369.8 42.48 0.276 200.0 231.1
n-Butane 58.123 0.200 425.1 37.96 0.274 255. 272.7
n-Pentane 72.150 0.252 469.7 33.70 0.270 313. 309.2
n-Hexane 86.177 0.301 507.6 30.25 0.266 371. 341.9
n-Heptane 100.204 0.350 540.2 27.40 0.261 428. 371.6
n-Octane 114.231 0.400 568.7 24.90 0.256 486. 398.8
n-Nonane 128.258 0.444 594.6 22.90 0.252 544. 424.0
n-Decane 142.285 0.492 617.7 21.10 0.247 600. 447.3
Isobutane 58.123 0.181 408.1 36.48 0.282 262.7 261.4
Isooctane 114.231 0.302 544.0 25.68 0.266 468. 372.4
Cyclopentane 70.134 0.196 511.8 45.02 0.273 258. 322.4
Cyclohexane 84.161 0.210 553.6 40.73 0.273 308. 353.9
Methylcyclopentane 84.161 0.230 532.8 37.85 0.272 319. 345.0
Methylcyclohexane 98.188 0.235 572.2 34.71 0.269 368. 374.1
Ethylene 28.054 0.087 282.3 50.40 0.281 131. 169.4
Propylene 42.081 0.140 365.6 46.65 0.289 188.4 225.5
1-Butene 56.108 0.191 420.0 40.43 0.277 239.3 266.9
cis-2-Butene 56.108 0.205 435.6 42.43 0.273 233.8 276.9
trans-2-Butene 56.108 0.218 428.6 41.00 0.275 237.7 274.0
1-Hexene 84.161 0.280 504.0 31.40 0.265 354. 336.3
Isobutylene 56.108 0.194 417.9 40.00 0.275 238.9 266.3
1,3-Butadiene 54.092 0.190 425.2 42.77 0.267 220.4 268.7
Cyclohexene 82.145 0.212 560.4 43.50 0.272 291. 356.1
Acetylene 26.038 0.187 308.3 61.39 0.271 113. 189.4
Benzene 78.114 0.210 562.2 48.98 0.271 259. 353.2
Toluene 92.141 0.262 591.8 41.06 0.264 316. 383.8
Ethylbenzene 106.167 0.303 617.2 36.06 0.263 374. 409.4
Cumene 120.194 0.326 631.1 32.09 0.261 427. 425.6
o-Xylene 106.167 0.310 630.3 37.34 0.263 369. 417.6
m-Xylene 106.167 0.326 617.1 35.36 0.259 376. 412.3
p-Xylene 106.167 0.322 616.2 35.11 0.260 379. 411.5
Styrene 104.152 0.297 636.0 38.40 0.256 352. 418.3
Naphthalene 128.174 0.302 748.4 40.51 0.269 413.
Biphenyl 154.211 0.365 789.3 38.50 0.295 502. 528.2
Formaldehyde 30.026 0.282 408.0 65.90 0.223 115. 254.1
Acetaldehyde 44.053 0.291 466.0 55.50 0.221 154. 294.0
Methyl acetate 74.079 0.331 506.6 47.50 0.257 228. 330.1
Ethyl acetate 88.106 0.366 523.3 38.80 0.255 286. 350.2
Acetone 58.080 0.307 508.2 47.01 0.233 209. 329.4
Methyl ethyl ketone 72.107 0.323 535.5 41.50 0.249 267. 352.8
Diethyl ether 74.123 0.281 466.7 36.40 0.263 280. 307.6
Methyl t-butyl ether 88.150 0.266 497.1 34.30 0.273 329. 328.4
Methanol 32.042 0.564 512.6 80.97 0.224 118. 337.9
 Table B.l (Continued)
Molar VC
mass w T,/K P,lbar 2, cm3 mol-I T,/K

Ethanol
l -Propano1
1-Butanol
1-Hexan01
2-Propanol
Phenol
Ethylene glycol
Acetic acid
n-Butyric acid
Benzoic acid
Acetonitrile
Methylamine
Ethylamine
Nitromethane
Carbon tetrachloride
Chloroform
Dichloromethane
Methyl chloride
Ethyl chloride
Chlorobenzene
Tetrafluoroethane
Argon
Krypton
Xenon
Helium 4
Hydrogen
Oxygen
Nitrogen
Air+
Chlorine
Carbon monoxide
Carbon dioxide
Carbon disulfide
Hydrogen sulfide
Sulfur dioxide
Sulfur trioxide
Nitric oxide (NO)
Nitrous oxide (NzO)
Hydrogen chloride
Hydrogen cyanide
Water
Ammonia
Nitric acid
Sulfuric acid
+pseudoparametersfor y~~ = 0.79 and yo, = 0.21. See Eqs. (6.88)-(6.90).
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1 m = 3,281 ft = 39,37 in 1 lbf = 4,448 222 N

1 ft = 12 in 1 lbf = 32,174 lbm.ft/s2
1 in = 2,54 cm 1 kgf = 9,807 N
1 lbm = 0,4535924 kg 1 kW = 1,3410 hp = 238,9 cal/s = 56,88 Btu/min
1 kg = 2,204622 lbm 1 cv = 735,5 W
1 slug = 32,17 lbm = 14,594 kg 1 hp = 745,7 W
1 P = 0,1 kg/m.s
T(oC) = ( T(oF) – 32 ) / 1,8
o
1 cP = 0,001 kg/m.s = 0,001 N.s/m2
T(K) = T( C) + 273,15
1 N.s/m2 = 1 Pa.s
1  C = 1,8  F
o o
1 cSt = 1 mm2/s
1 Btu = 1055 J R = 8,314 J/mol.K = 8,314 m3.Pa/mol.K
1 kcal = 3,968 Btu g = 9,8066 m/s2 = 32,174 ft/s2
1 cal = 4,1868 J gc = 9,8066 kg.m/kgf.s2 = 32,174 lbm.ft/lbf.s2
1 lbm/ft3 = 16,018 kg/m3
1 atm = 14,696 psi = 101,325 kPa = 101.325 Pa
o
1 atm = 1,013 bar = 101.325Pa = 1,0333 kgf/cm2 Dados para o ar nas CNTP (15 C, 101,325 kPa):
1 atm = 10,33 mca Mar = 28,98 g/mol = 0,02898 kg/mol
1 bar = 105 Pa cp,ar = 1004 J/kg.K
1 psi = 6,8948 kPa = 6894,8 Pa cv,ar = 717,4 J/kg.K
1 kgf/cm2 = 9,807×104 Pa = 98,07 kPa ar = 1,400 (-)
1 kgf/cm2 = 14,223 lbf/in2 ar = 1,23 kg/m3
1 lbf/in2 = 6895 Pa ar = 1,79×10-5 N.s/m2 = 1,79×10-5 kg/m.s
1 mmHg = 133,32 Pa c = 343 m/s (20oC)
1 mm H2O = 9,8064 Pa

lbf kg.m 2 N kg J kg.m g.cm

psi  J  Pa   W N dina 
in 2 s2 m 2
m.s 2 s s2 s2

lbf .s 2
slug 
ft