水饱与蒸汽压

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1、饱和蒸气压饱和蒸气压（saturatedvaporpressure）在一定温度下，与液体或固体处于相平衡的蒸气所具有的压力称为饱和蒸气压。同一物质在不同温度下有不同的蒸气压，并随着温度的升高而增大。例如，在30C时，水的饱和蒸气压为4132.982Pa,乙醇为10532.438Pa。而在100C时，水的饱和蒸气压增大到101324.72Pa,乙醇为222647.74Pa。饱和蒸气压是液体的一项重要物理性质，如液体的沸点、液体混合物的相对挥发度等都与之有关。水在不同温度下的饱和蒸气压SaturatedWaterVaporPr

2、essuresatDifferentTemperatures温度(Temperature)饱和蒸气压(Saturatedwatervaporpressure)温度(Temperature)饱和蒸气压(Saturatedwatervaporpressure)温度(Temperature)饱和蒸气压(Saturatedwatervaporpressure)t/℃/(×10^3Pa)t/℃/(×10^3Pa)t/℃/(×10^3Pa)00.61129125232.012503973.610.65716126239.2425140

3、41.220.70605127246.662524109.630.75813128254.252534178.940.81359129262.042544249.150.8726130270.022554320.260.93537131278.22564392.271.0021132286.572574465.181.073133295.15258453991.1482134303.932594613.7101.2281135312.932604689.4111.3129136322.142614766.1121.4027

4、137331.572624843.7131.4979138341.222634922.3141.5988139351.092645001.8151.7056140361.192655082.3161.8185141371.532665163.8171.938142382.112675246.3182.0644143392.922685329.8192.1978144403.982695414.3202.3388145415.292705499.9212.4877146426.852715586.4222.644714743

5、8.672725674232.8104148450.752735762.7242.985149463.12745852.4253.169150475.722755943.1263.3629151488.612766035273.567152501.782776127.9283.7818153515.232786221.9294.0078154528.962796317.2304.2455155542.992806413.2314.4953156557.322816510.5324.7578157571.942826608.

6、9335.0335158586.872836708.5345.3229159602.112846809.2355.6267160617.662856911.1365.9453161633.532867014.1376.2795162649.732877118.3386.6298163666.252887223.7396.9969164683.12897330.2407.3814165700.292907438417.784166717.832917547428.2054167735.72927657.2438.646316

7、8753.942937768.6449.1075169772.522947881.3459.5898170791.472957995.24610.094171810.782968110.34710.62172830.472978226.84811.171173850.532988344.54911.745174870.982998463.55012.344175891.83008583.85112.97176913.033018705.45213.623177934.643028828.35314.303178956.66

8、3038952.65415.012179979.093049078.25515.7521801001.93059205.15616.5221811025.23069333.45717.3241821048.93079463.15818.15918310733089594.25919.0281841097