各种物质的热容

1、附录 物质的摩尔热容(100kPa)(1)单质和无机物物质Cp,my(298.15K)Cp,my=a+bT+cT2,或 Cp,my=a+bT+cT-2ab103c106c10-5适用温度范围/KJK-1mol-1JK-1mol-1Jmol-1K-2Jmol-1K-3JKmol-1Ag(s)25.4823.975.284 -0.252931234Ag2O(s)65.57 Al(s)24.3520.6712.38 273931.7Al2O3-79.092.3837.535 -26.861271937Al2(SO4)3(s)259.4368.5761.92 -113.472981100Br2(g)3

2、5.9937.200.690 -1.1883001500Br2(l)35.6 C(金刚石)6.079.1213.22 -6.192981200C(石墨)8.6617.154.27 -8.792982300CO(g)29.14227.65.0 2902500CO2(g)37.12044.149.04 -8.542982500Ca(s)26.2721.9214.64 273673CaC2(s)62.3468.611.88 -8.66298720CaCO3(方解石)81.83104.5221.92 -25.942981200CaCl2(s)72.6371.8812.72 -2.512981055Ca

3、O(s)48.5343.834.52 -6.522981800Ca(OH)2(s)84.5 CaSO4(硬石膏)97.6577.4991.92 -6.5612731373Cl2(g)33.936.691.05 -2.5232731500Cu(s)24.4724.564.18 -1.2012731357CuO(s)44.438.7920.08 2981250Cu2O-69.862.3423.85 2981200F2(g)31.4634.691.84 -3.35273200Fe-25.2317.2826.69 2731041FeCO3(s)82.1348.66112.1 298885FeO(s)5

4、1.152.806.242 -3.1882731173Fe2O3(s)104.697.7417.13 -12.8872981100Fe3O4(s)143.4278.91 -41.882981100H(g)20.80 H2(g)28.8329.08-0.842.00 3001500D2(g)29.2028.5770.8791.958 2981500HBr(g)29.1226.155.86 1.092981600HCl(g)29.1226.534.60 1.902982000Hl(g)29.1226.325.94 0.922981000H2O(g)33.57130.1211.30 2732000H

5、2O(l)75.296 H2O2(l)82.29 H2S(g)33.9729.2915.69 2731300H2SO4(l)137.57 l2(g)55.9740.1249.79 298386.8I2(g)36.87 N2(g)29.1226.874.27 2732500NH3(g)35.6529.7925.48 -1.6652731400NO(g)29.86129.583.85 -0.592731500NO2(g)37.9042.938.54 -6.74 N2O(g)38.7045.698.62 -8.54273500N2O4(g)79.083.8930.75 14.90 2O5(Ng)10

6、8.0 O(g)21.93 O2(g)29.3731.463.39 -3.772732000O3(g)38.15 S(单斜)23.6414.9029.08 368.6392S(斜方)22.6014.9826.11 273368.6(g)32.5536.111.09 2732000S(g) -3.51 SO2(g)39.7947.707.171 -8.542981800SO3(g)50.7057.3226.86 -13.05273900(2).有机化合物在指定温度范围内恒压热容可用下式计算：Cp,my=a+bT+cT2+dT3物质Cp,my(298.15K) Cp,my=f(T)ab103c10

7、6d106适用温度范围/KJK-1mol-1JK-1mol-1Jmol-1K-2Jmol-1K-3JKmol-1烃类CH4(g),甲烷35.71517.45160.461.117-7.2052981500C2H2(g),乙炔43.92823.46085.768-58.34215.8702981500C2H4(g),乙烯43.564.197154.590-81.09016.8152981500C2H6(g),乙烷52.6504.936182.259-74.85610.7992981500C3H6(g),丙烯63.893.305235.860-117.60022.6772981500C3H6(g)

8、,丙烷73.51-4.799307.311-160.15932.7482981500C4H6(g),1,3-丁二烯79.54-2.958340.084-223.68956.530298150C4H8(g),1-丁烯85.652.540344.929441.6642981500C4H8(g),顺-2-丁烯78.918.774342.448-197.32234.2712981500C4H8(g),反-2-丁烯87.828.381307.541-148.25627.2842981500C4H8(g),2-甲基两烯89.127.084321.632-166.07133.4972981500C4H10(

9、g),正丁烷97.450.469385.376-198.88239.9962981500C4H10(g),异丁烷96.82-6.841409.643-220.54745.7392981500C6H6(g),苯81.67-33.899471.872-298.34470.8352981500C6H6(l)苯135.7759.50255.01 281353C6H12(g),环己烷106.27-67.664679.452-380.76178.0062981500C6H14(g),正己烷143.093.084565.786-300.36962.0612981500C6H14(l)正己烷194.93 C6

10、H5CH3(g),甲苯103.76-33.882557.045-342.37379.8732981500C6H5CH3(l),甲苯157.1159.62326.98 281382C6H4(CH2）(g),邻二甲苯133.26-14.811591.136-339.59074.6972981500C6H4CH3）2(l),邻二甲苯187.9187.9 C6H4(CH3）2(g),间二甲苯127.57-27.384620.870-363.89581.3792981500C6H（CH3）2（l),间二甲苯183.3183.3 C6H4(CH3）2(g),对二甲苯126.86-25.92460.670-

11、350.56176.8772981500C6H4（CH3）2(l),对二甲苯183.7183.7 含氧化合物35.36 HCOH(g),甲醛54.435.3618.82058.379-15.6062911500HCOOH(g),甲酸99.0430.6789.20-34.539 300700HCOOH(l),甲酸49.4 CH3OH(g),甲醇81.620.42103.68-24.640 300700CH3OH(l),甲醇62.8 CH2COH(g),乙醛123.431.054121.457-36.577 2981500CH3COOH(l),乙酸72.454.81230 CH3COOH(g),乙

12、酸114.621.76193.09-76.78 300700C2H5OH(l),乙醇71.1106.52165.7575.3 283348C2HOH(g),乙醇124.7320.694-205.38-99.809 3001500CH3COCH3（l),丙酮75.3124.7355.61232.2 298320CH3COCH3(g),两酮 22.472201.78-63.521 2981500C2H5OC2H5(l),乙醚 170.7 290CH3COOC2H5(l),乙酸乙酯 169.0 293C6H5COOH（s),苯甲酸155.2155.2 卤代烃 CH3Cl(g),氯甲烷40.7914.90396.2-31.552 273800CH2Cl2(g),二氯甲烷51.3833.4765.3 273800CHCl3（l),氯仿116.3 CHCl3(g),氯仿65.8129.506148.942-90.713 273