下表列出了液相CO2在不同温度下与气相平衡的热力学数据。焓、汽化热和熵是相对于0 °C、3483 kPa的数值。热量值至J/mol需要乘以44.095 g/mol。将密度换算为mol/L需要乘以22.678 cm3-mol/L-g。数据来自《CRC Handbook of Chemistry and Physics》(第44版),pp. 2560-2561。临界温度曲线(31.1 °C)与温度–30 °C来自《Lange's Handbook of Chemistry》(第10版),pp. 1463。
更多信息 温度 °C, Pvap蒸汽压 kPa ...
二氧化碳液-气平衡热力学数据
|
温度 °C |
Pvap 蒸汽压 kPa |
Hliq 液体 焓 J/g |
Hvap 蒸气 焓 J/g |
ΔvapHo 汽化 热 J/g |
ρvap 蒸气 密度 g/cm3 |
ρliq 液体 密度 g/cm3 |
Sliq 液体 熵 J/mol-°C |
Svap 蒸气 熵 J/mol-°C
|
–56.6 |
518.3 |
|
|
|
|
1.179 |
|
|
–56.0 |
531.8 |
|
|
|
|
1.177 |
|
|
–54.0 |
579.1 |
|
|
|
|
1.169 |
|
|
–52.0 |
629.6 |
|
|
|
|
1.162 |
|
|
–50.0 |
683.4 |
|
|
|
|
1.155 |
|
|
–48.0 |
740.6 |
|
|
|
|
1.147 |
|
|
–46.0 |
801.3 |
|
|
|
|
1.139 |
|
|
–44.0 |
865.6 |
|
|
|
|
1.131 |
|
|
–42.0 |
933.8 |
|
|
|
|
1.124 |
|
|
–40.0 |
1005.7 |
|
|
|
|
1.116 |
|
|
–38.0 |
1081.9 |
|
|
|
|
1.108 |
|
|
–36.0 |
1161.8 |
|
|
|
|
1.100 |
|
|
–34.0 |
1246.2 |
|
|
|
|
1.092 |
|
|
–32.0 |
1335.1 |
|
|
|
|
1.084 |
|
|
-30.0 |
1428.6 |
|
|
|
|
1.075 |
|
|
–28.89 |
1521 |
–55.69 |
237.1 |
292.9 |
0.03846 |
1.0306 |
–9.48 |
43.41
|
–27.78 |
1575 |
–53.76 |
237.3 |
291.0 |
0.03987 |
1.0276 |
–9.13 |
43.21
|
–26.67 |
1630 |
–51.84 |
237.6 |
289.4 |
0.04133 |
1.0242 |
–8.78 |
43.01
|
–25.56 |
1686 |
–49.87 |
237.6 |
287.5 |
0.04283 |
1.0209 |
–8.45 |
42.78
|
–24.44 |
1744 |
–47.91 |
237.8 |
285.7 |
0.04440 |
1.0170 |
–8.10 |
42.56
|
–23.33 |
1804 |
–45.94 |
237.8 |
283.6 |
0.04600 |
1.0132 |
–7.75 |
42.36
|
–22.22 |
1866 |
–43.93 |
237.8 |
281.7 |
0.04767 |
1.0093 |
–7.40 |
42.14
|
–21.11 |
1928 |
–41.92 |
237.8 |
279.6 |
0.04938 |
1.0053 |
–7.05 |
41.94
|
–20.00 |
1993 |
–39.91 |
237.8 |
277.8 |
0.05116 |
1.0011 |
–6.68 |
41.71
|
–18.89 |
2059 |
–37.86 |
237.8 |
275.7 |
0.05300 |
0.9968 |
–6.31 |
41.49
|
–17.78 |
2114 |
–35.82 |
237.6 |
273.6 |
0.05489 |
0.9923 |
–5.98 |
41.27
|
–16.67 |
2197 |
–33.73 |
237.6 |
271.2 |
0.05686 |
0.9875 |
–5.61 |
41.05
|
–15.56 |
2269 |
–31.64 |
237.3 |
269.2 |
0.05888 |
0.9829 |
–5.26 |
40.83
|
–14.44 |
2343 |
–29.54 |
237.3 |
266.9 |
0.06098 |
0.9782 |
–4.91 |
40.61
|
–13.33 |
2418 |
–27.41 |
237.1 |
264.5 |
0.06314 |
0.9734 |
–4.54 |
40.39
|
–12.22 |
2495 |
–25.27 |
236.9 |
262.2 |
0.06539 |
0.9665 |
–4.17 |
40.15
|
–11.11 |
2574 |
–23.09 |
236.7 |
259.7 |
0.06771 |
0.9639 |
–3.80 |
39.92
|
–10.00 |
2654 |
–20.90 |
236.4 |
257.3 |
0.07011 |
0.9592 |
–3.43 |
39.68
|
–8.89 |
2738 |
–18.69 |
235.9 |
254.8 |
0.07259 |
0.9543 |
–3.06 |
39.46
|
–7.78 |
2823 |
–16.45 |
235.7 |
252.2 |
0.07516 |
0.9494 |
–2.69 |
39.22
|
–6.67 |
2910 |
–14.18 |
235.2 |
249.4 |
0.07783 |
0.9443 |
–2.32 |
38.98
|
–5.56 |
2999 |
–11.90 |
234.8 |
246.6 |
0.08059 |
0.9393 |
–1.94 |
38.74
|
–4.44 |
3090 |
–9.977 |
234.3 |
243.8 |
0.08347 |
0.9340 |
–1.57 |
38.50
|
–3.89 |
3136 |
–8.410 |
234.1 |
242.4 |
0.08494 |
0.9313 |
–1.37 |
38.37
|
–2.78 |
3230 |
–6.046 |
233.6 |
239.7 |
0.08797 |
0.9260 |
–0.98 |
38.12
|
–1.67 |
3327 |
–3.648 |
232.9 |
236.6 |
0.09111 |
0.9206 |
–0.59 |
37.88
|
–0.56 |
3425 |
–1.222 |
232.4 |
233.6 |
0.09438 |
0.9150 |
–0.20 |
37.62
|
0.56 |
3526 |
1.234 |
231.7 |
230.5 |
0.09776 |
0.9094 |
0.20 |
37.36
|
1.67 |
3629 |
3.728 |
231.0 |
227.3 |
0.1013 |
0.9036 |
0.61 |
37.08
|
2.78 |
3735 |
6.268 |
230.4 |
224.0 |
0.1050 |
0.8975 |
1.01 |
36.83
|
3.89 |
3843 |
8.445 |
229.4 |
220.5 |
0.1088 |
0.8914 |
1.42 |
36.55
|
5.00 |
3953 |
11.46 |
228.5 |
217.0 |
0.1128 |
0.8850 |
1.83 |
36.25
|
6.11 |
4067 |
14.13 |
227.6 |
213.4 |
0.1169 |
0.8784 |
2.25 |
35.98
|
7.22 |
4182 |
16.85 |
226.5 |
209.7 |
0.1213 |
0.8716 |
2.69 |
35.68
|
8.33 |
4300 |
19.63 |
225.4 |
205.8 |
0.1258 |
0.8645 |
3.12 |
35.39
|
9.44 |
4420 |
22.46 |
224.3 |
201.8 |
0.1306 |
0.8571 |
3.56 |
35.07
|
10.56 |
4544 |
25.36 |
223.1 |
197.7 |
0.1355 |
0.8496 |
4.02 |
34.76
|
11.67 |
4670 |
28.33 |
221.8 |
193.4 |
0.1408 |
0.8418 |
4.48 |
34.45
|
12.78 |
4798 |
31.35 |
220.3 |
188.9 |
0.1463 |
0.8338 |
4.94 |
34.11
|
13.89 |
4929 |
34.49 |
218.8 |
184.3 |
0.1521 |
0.8254 |
5.42 |
33.76
|
15.00 |
5063 |
37.30 |
217.2 |
179.5 |
0.1583 |
0.8168 |
5.92 |
33.41
|
16.11 |
5200 |
41.03 |
215.1 |
174.4 |
0.1648 |
0.8076 |
6.42 |
33.02
|
17.22 |
5340 |
44.48 |
213.6 |
169.1 |
0.1717 |
0.7977 |
6.96 |
32.66
|
18.33 |
5482 |
48.03 |
211.5 |
163.5 |
0.1791 |
0.7871 |
7.49 |
32.25
|
19.44 |
5628 |
51.71 |
209.4 |
157.6 |
0.1869 |
0.7759 |
8.04 |
31.83
|
20.56 |
5776 |
55.61 |
207.0 |
151.4 |
0.1956 |
0.7639 |
8.63 |
31.38
|
21.67 |
5928 |
59.66 |
204.3 |
144.7 |
0.2054 |
0.7508 |
9.24 |
30.90
|
22.78 |
6083 |
63.97 |
201.5 |
137.5 |
0.2151 |
0.7367 |
9.89 |
30.39
|
23.89 |
6240 |
68.58 |
198.4 |
129.8 |
0.2263 |
0.7216 |
10.57 |
29.85
|
25.00 |
6401 |
73.51 |
194.8 |
121.3 |
0.2387 |
0.7058 |
11.31 |
29.24
|
26.11 |
6565 |
78.91 |
190.7 |
111.8 |
0.2532 |
0.6894 |
12.10 |
28.60
|
27.22 |
6733 |
84.94 |
186.0 |
101.1 |
0.2707 |
0.6720 |
12.99 |
27.84
|
28.33 |
6902 |
91.88 |
180.4 |
88.49 |
0.2923 |
0.6507 |
14.00 |
26.95
|
29.44 |
7081 |
100.4 |
173.1 |
72.72 |
0.3204 |
0.6209 |
15.24 |
25.85
|
30.00 |
7164 |
105.6 |
168.4 |
62.76 |
0.3378 |
0.5992 |
16.01 |
25.15
|
30.56 |
7253 |
112.3 |
162.3 |
50.04 |
0.3581 |
0.5661 |
16.99 |
24.24
|
31.1 |
7391 |
|
|
0.00 |
0.4641 |
0.4641 |
|
|
温度 °C |
Pvap 蒸汽压 kPa |
Hliq 液体 焓 J/g |
Hvap 蒸气 焓 J/g |
ΔvapHo 汽化 热 J/g |
ρvap 蒸气 密度 g/cm3 |
ρliq 液体 密度 g/cm3 |
Sliq 液体 熵 J/mol-°C |
Svap 蒸气 熵 J/mol-°C
|
关闭