几种气体的物理参数.pdf

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1、几种气体的物理参数密度气体常数k/比热容/［kcal/〔kg·℃〕］临界点液态密度热导率3原子量或［(kg·m)/cp4①沸点/℃汽化潜热/熔点熔融热名称化学式（kg/m）(20℃,1atm)k=黏度η0×10/cP/(kcal/kg)(温度/压力绝[kcal/(m·h·温度/分子量（kg·℃)cv（760mmHg）对大气密度/℃)]（标/℃/(cal/g)密度/760mmHg)33(标准状况)］cc(℃)压/ata（kg/m）准状况）℃（kg/m）pv氮N21.250728.0230.260.2500.1781.40170（114）-195.7847.58-147.1333.49310.

2、960.0196-209.866.1-1960.808氨NH30.77117.0349.790.530.401.29918（626）-33.4328132.4111.52360.0185-77.783.7-330.683氩Ar1.782039.9421.260.1270.0771.66209（142）-185.8738.9-122.448.00-5310.0149————乙炔C2H31.17126.0232.590.4020.3231.2493.5（198）-83.6619835.761.62310.0158——-23.50.52苯C6H6—78.0510.850.2990.2721.17

3、280.294288.547.73300.0076————正丁烷C4H102.67358.0814.600.4580.4141.10881.0（377）-0.592.315237.52250.0116————空气—1.293(28.95)29.270.2410.1721.40173（124）-192～19547-140.75(Ⅰ)37.25(Ⅰ)310～3500.021-213—-1920.86-140.65(Ⅱ)37.17(Ⅱ)水蒸汽H2O1.0018.0247———125.5（100）100595.9————079.6741.00氢H20.089852.016420.63.4082.4

4、21.40784.2（73）-252.75108.5-239.912.80310.140-259.1414-2520.0709氦He0.17854.002212.01.2600.761.66188（78）-268.054.66-267.962.2669.30.124-272.2———一氧化氮NO1.340230.0128.260.2329（15）——187.6（20）-151.8106.6———0.0190-163.618.4-891.226二氧化氮NO21.49146.0118.40.1920.1471.31—21.2170158.2100.05700.0344-11.237.232.3

5、——氧O21.428953226.50.2180.1561.40203（131）-182.9850.92-118.8249.713429.90.0206-218.43.3-1831.140甲烷CH40.71716.0352.900.5310.4061.31103（162）-161.58122-82.1545.61620.0258————一氧化碳CO1.2528.0030.290.2500.1801.40166（100）-191.4850.5-140.234.533110.0194-207.08.0-1910.814二氧化碳CO21.97644.0019.270.2000.1561.3013

6、7（254）-78.213731.172.94600.0118-56.645.3-501.155正戊烷C5H12—72.1011.750.410.3761.0087.436.0886197.133.02320.0110————丙烷C3H82.02044.0619.250.4450.3941.1379.5（18℃）（278）-42.110295.6432320.0127————丙烯C3H61.91442.0520.190.3900.3431.1783.5（20℃）（322）-47.710591.445.4233—————硫化氢H2S1.53934.0924.900.2530.1921.301

7、16.6-60.2131100.4188.9—0.0113————二氧化硫SO22.92764.0613.240.1510.1201.25117（396）-10.894157.577.785200.0066————三氧化硫SO32.7580.0710.57————44.8118.5(53)————16.83———氯Cl23.21770.9111.960.1150.08481.36129（16℃）-33.872.95144