6 Temmuz 2014 Pazar


Physical Properties of Hydrocarbons


NAMEMETHANEETHENEETHANEPROPENEPROPANEISO-BUTANEBUTENE-IISO-BUTENEN-BUTANEISO-PENTANEPENTENE-IN-PENTANE
FORMULACH4C2H4C2H6C3H6C3H8C4H10C4H8C4H8C4H10C5H12C5H10C5H12
Vapor pressure at 100F/17,8C
psi, gauge212.5175.857.547.648.936.95.70.9
psi, absolute780.0227.2190.072.262.363.651.620.419.415.6
bar, gauge14.712.14.03.33.42.50.40.1
kilopascal, absolute5374.21565.41309.1497.5429.2438.2355.5140.6133.7107.5
Normal state at 60F/15,6C
and atmospheric pressure
gasgasgasgasgasgasgasgasgasliquidliquidliquid
Boiling point at atmospheric pressure
Fahrenheit-258.7-154.7-127.5-53.9-43.710.920.719.631.182.185.996.9
Celsius-161.5-103.7-88.6-47.7-42.1-11.7-6.3-6.9-0.527.930.036.1
Weight of liquid at 60F/15,6C
pound/US gal2.503.303.114.354.234.695.015.004.865.205.395.25
kg/m3300395373521507562600600582623646629
Specific gravity (water=1)0.3000.3740.5220.5080.5630.6010.6000.5840.6250.6460.631
API gravity340.0247.0139.7147.2119.8103.9104.3110.695.087.592.7
Weight of vapor at 60F/15,6C
and atmospheric pressure
pound/100 cubic feet4.237.397.9211.0911.6215.3114.7914.7915.3119.0119.01
kg/m30.681.181.271.781.862.452.372.372.453.053.05
Gross heat of combustion
BTU/pound238912165022329210602167021265208602074021315210462072021094
BTU/cubic foot vapor @ 60F101216011783233525583354308430663368400338294015
BTU/US gallon liquid @ 60F7091069433877409104499097103480104060103047108820110850110125
kcal/kg132601201612393116881202711802115771151111830116811150011707
kcal/m3 vapor @ 15,6C90121425715878207932277929867274632730329992356473409735754
kcal/litre liquid @ 15,6C47234624584360646600689269306863724773837334
MJ/kg55.4850.2751.8548.9050.3249.3848.4448.1649.5048.8748.1148.98
MJ/m3 vapor @ 15,6C37.7159.6566.4387.0095.31124.97114.91114.23125.49149.15142.66149.59
MJ/litre liquid @ 15,6C0.0019.7619.3524.4525.3727.6128.8429.0028.7130.3230.8930.69
Air to burn gas
volume/volume vapor ratio
@ 60F/15.6C, atmospheric pressure
9.5314.2916.6721.4423.8230.9728.5828.5830.9738.1135.7338.11
mass/mass ratio17.2414.7616.1314.7615.7115.4914.7614.7615.4915.3514.7615.35
Flammability limits
Lower % in air5.03.23.02.02.41.81.91.31.61.4
Upper % in air15.012.515.011.09.58.48.47.8
Heat required to vaporize liquid
at boiling point and atmospheric pressure
BTU/pound245208211189183158174167166146148153
BTU/US gallon liquid712686696822774741872836797759797803
kcal/kg136.0115.4117.1104.9101.687.796.692.792.181.082.184.9
kcal/litre liquid47.445.746.454.751.549.458.155.753.150.553.153.5
Molecular Mass16.04228.05230.06842.07944.09458.12056.10556.10556.10558.12072.14670.131
Specific heat at 60F/15,6C and
atmospheric pressure
BTU/lb.F
Cp liquid0.5400.5550.5500.5330.536
Cp vapor0.5270.3620.4100.3520.3890.3870.3470.3970.3880.397
Cv vapor0.4020.2880.3430.2980.3420.3520.3030.3630.3610.370
Cp/Cv vapor1.3081.2581.1931.1801.1331.0971.1451.0941.0761.074
KJ/kg.K
Cp liquid2.2612.3242.3032.2322.244
Cp vapor2.2071.5161.7171.4741.6291.6201.4531.6621.6241.662
Cv vapor1.6831.2061.4361.2481.4321.4741.2691.5201.5111.549
Cp/Cv vapor5.4765.2674.9954.9404.7444.5934.7944.5804.5054.497
Critical Conditions
Temperature, Fahrenheit-116.549.890.1196.5206.2273.2297.0292.5305.6370.0394.0387.0
Temperature, Celsius-82.59.932.391.496.8134.0147.2144.7152.0187.6201.0197.2
Pressure, psi(a)673742708667617529588580551483594490
Pressure, bar(a)46.451.248.846.042.536.540.540.038.033.341.033.8
Density, lbs/US gal1.3511.6951.8881.9461.8911.9551.935
Density, kg/m3161.9203.1226.2233.2226.6234.3231.9

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