Температурная зависимость истинной мольной и объемной теплоемкости
газов и паров при нормальном давлении [1]
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Наименование газа
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Истинная мольная теплоемкость, кДж/кмоль*град
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Истинная объемная теплоемкость, кДж/м3*град
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Температура границы, 0С
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Приложение 2
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1
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2
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3
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4
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He, Ne, Ar, Kr, Xe и пары металлов (Zn, Hg и т.д.)
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20,82
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---
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---
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Ci2, Br2, I2
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31 + 0,0042 Т
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---
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0 – 2000
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H2
|
|
1,24 + 3,734*10-5t + 0,747*10-7t2
1,194 + 22,10-5t(2000 – 30000C)
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0 – 1700
---
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H2O, H2S
|
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1,55 + 4,64*10-5t + 2,55*10-7t2
---
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0 – 2000
0 – 2000
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O2, N2, CO, HCl, воздух
|
|
1,322 + 7,45*10-5t + 0,594*10-7t2
1,234 + 22,0*10-5t(2000 – 30000C)
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0 – 2000
---
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Более точно: О2
N2
CО
NO
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26,2 + 0,0115 Т – 3,22*10-6Т2
26,4 + 0,00760 Т – 1,445*10-6Т2
26,2 + 0,00875 Т – 1,92*10-6Т2
26,0 + 0,0102 Т – 2,56*10-6Т2
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---
---
---
---
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0 – 1700
0 – 1700
0 – 1700
0 – 1200
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CO2, SO2
|
|
1,96 + 4,63*10-4 + 2,336*10-7T2
(500 – 30000C)
1,636 + 18,*10-4t-14,9*10-7t2
(0 – 5000C)
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---
---
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NH3
|
|
---
---
---
---
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0 – 1700
0 – 1000
0,680
0 – 500
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-
1
|
2
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3
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4
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Приложение 2
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NO2
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29,3 + 0,0298Т – 3,61*10-6Т2
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---
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---
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CH4
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1,62 + 3,56*10-3t
---
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0 - 1000
От 100 и выше
От -100 до +150
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C2H6
|
|
---
---
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0 – 1200
0 – 1200
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C3H8
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0,504 + 0,270Т – 0,0952*10-3Т2
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---
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0 – 1200
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С2Н4
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|
---
1,90 + 2,29*10-3t
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0 – 1200
0 – 1200
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C2H2
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 24,4 + 0,0222Т – 0,0231*10-3Т2
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---
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0 – 1200
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C6H6
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-21,1 + 0,401Т – 0,170*10-3Т2
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---
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0 – 1200
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Изопрен
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3,98 + 0,337Т – 0,1243*10-3Т2
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---
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0 – 1200
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S2
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35,9 + 0,00125Т
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---
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0 – 1200
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SO3
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18,85 + 0,067Т
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---
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---
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CH3OH(газ)
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20,45 + 0,1037Т – 0,0247*10-3Т2
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---
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0 – 400
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C2H5HO(газ)
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9,05 + 0,208Т – 0,0651*10-3Т2
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---
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0 – 400
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СН3СНО(газ)
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19,0 + 0,1395Т – 0,0389*103Т2
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---
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0 – 400
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HCHO(газ)
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20,94 + 0,0586Т – 0,0156*10-3Т2
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---
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0 – 1250
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НСООН(газ)
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30,70 + 0,0895Т – 0,0346*10-3Т2
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---
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0 – 1250
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Средняя мольная теплоемкость газов от 0 до t0С при нормальном давлении [1]
Температура
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Значение средней молекулярной теплоемкости ,  кДж/кмоль*град
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Приложение 3
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H2
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O2
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N2
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CO
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CO2
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CH4
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H2O, H2S
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NH3
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NO
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C2H4
|
SO2
|
C2H2
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воздух
|
 О
 HC Н
(газ)
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СН3ОН
(газ)
|
С2Н5ОН
(газ)
|
НСООН
(газ)
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0
|
28,8
|
29,3
|
28,4
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28,42
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37,7
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33,4
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32,5
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34,7
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28,5
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39,4
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41,2
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46,2
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28,6
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35,2
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49,0
|
74,6
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54,0
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100
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29,0
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29,6
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28,7
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28,9
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39,2
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36,6
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33,2
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36,2
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29,0
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42,1
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42,4
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47,8
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29,0
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37,4
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53,7
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80,5
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57,8
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200
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29,1
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30,1
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29,0
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29,2
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40,6
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39,8
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33,8
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37,8
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29,5
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48,6
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43,5
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49,6
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29,3
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39,6
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57,0
|
86,6
|
61,6
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300
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29,15
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30,5
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29,4
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29,6
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41,9
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42,0
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34,5
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39,4
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29,9
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53,3
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44,7
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51,3
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29,7
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41,1
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62,8
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92,2
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64,7
|
400
|
29,2
|
30,9
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29,6
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29,9
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43,2
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45,5
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35,1
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40,8
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30,3
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57,9
|
45,8
|
53,0
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30,0
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43,8
|
65,8
|
97,2
|
66,2
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500
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29,3
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31,3
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30,0
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30,2
|
44,4
|
48,3
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35,6
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42,3
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30,6
|
62,5
|
46,6
|
54,4
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30,3
|
45,9
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70,0
|
101,4
|
68,3
|
600
|
29,4
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31,8
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30,3
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30,5
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45,5
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50,9
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36,0
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43,7
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31,0
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67,0
|
47,5
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56,0
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30,6
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47,8
|
74,2
|
105,2
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70,7
|
700
|
29,5
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32,0
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30,6
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30,8
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46,5
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53,5
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36,6
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45,1
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31,3
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71,7
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48,5
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57,4
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30,9
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49,5
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---
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108,2
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---
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800
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29,6
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32,3
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30,8
|
31,2
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47,5
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55,8
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37,5
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46,4
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31,6
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76,3
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49,3
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58,7
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31,2
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51,1
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---
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110,2
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---
|
900
|
29,7
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32,7
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31,1
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31,5
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48,5
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58,1
|
38,0
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47,6
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31,9
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82,0
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50,0
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60,0
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31,4
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52,8
|
---
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112,0
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---
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1000
|
29,8
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33,0
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31,4
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31,7
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49,3
|
60,2
|
38,6
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48,8
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32,2
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84,0
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50,6
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61,2
|
31,7
|
54,0
|
---
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112,3
|
---
|
1100
|
29,9
|
33,4
|
31,6
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31,9
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50,1
|
62,4
|
39,1
|
---
|
32,5
|
90,1
|
50,9
|
62,3
|
31,9
|
55,4
|
---
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112,6
|
---
|
1200
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30,0
|
33,8
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31,8
|
32,2
|
50,9
|
64,4
|
39,6
|
---
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32,7
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94,7
|
51,3
|
63,4
|
32,2
|
57,0
|
---
|
112,9
|
---
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1300
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30,2
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34,0
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32,0
|
32,4
|
51,4
|
66,1
|
40,2
|
---
|
---
|
---
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51,7
|
64,3
|
32,4
|
---
|
---
|
---
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---
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1400
|
30,4
|
34,1
|
32,2
|
32,6
|
52,0
|
67,8
|
40,7
|
---
|
---
|
---
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52,0
|
65,2
|
32,6
|
---
|
---
|
---
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---
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1500
|
30,6
|
34,3
|
32,4
|
32,9
|
52,6
|
69,5
|
41,2
|
---
|
---
|
---
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52,3
|
66,0
|
32,9
|
---
|
---
|
---
|
---
|
1600
|
30,8
|
34,5
|
32,7
|
33,1
|
53,1
|
---
|
41,8
|
---
|
---
|
---
|
52,6
|
---
|
33,1
|
---
|
---
|
---
|
---
|
1700
|
31,0
|
34,7
|
32,9
|
33,3
|
53,5
|
---
|
42,3
|
---
|
---
|
---
|
52,9
|
---
|
33,2
|
---
|
---
|
---
|
---
|
1800
|
31,2
|
34,9
|
33,1
|
33,4
|
53,9
|
---
|
42,8
|
---
|
---
|
---
|
53,1
|
---
|
33,4
|
---
|
---
|
---
|
---
|
1900
|
31,4
|
35,1
|
33,2
|
33,6
|
54,2
|
---
|
43,2
|
---
|
---
|
---
|
53,3
|
---
|
33,5
|
---
|
---
|
---
|
---
|
2000
|
31,6
|
35,3
|
33,4
|
33,8
|
54,5
|
---
|
43,6
|
---
|
---
|
---
|
53,5
|
---
|
33,7
|
---
|
---
|
---
|
---
|
2100
|
31,8
|
35,4
|
33,6
|
33,9
|
54,8
|
---
|
44,1
|
---
|
---
|
---
|
53,7
|
---
|
33,8
|
---
|
---
|
---
|
---
|
2200
|
31,9
|
35,5
|
33,8
|
34,0
|
55,1
|
---
|
44,4
|
---
|
---
|
---
|
53,9
|
---
|
33,9
|
---
|
---
|
---
|
---
|
2300
|
32,1
|
35,7
|
33,9
|
34,2
|
55,3
|
---
|
44,9
|
---
|
---
|
---
|
54,1
|
---
|
34,0
|
---
|
---
|
---
|
---
|
2400
|
32,3
|
35,9
|
34,0
|
34,3
|
55,5
|
---
|
45,3
|
---
|
---
|
---
|
54,2
|
---
|
34,2
|
---
|
---
|
---
|
---
|
2500
|
32,5
|
36,0
|
34,1
|
34,4
|
55,8
|
---
|
---
|
---
|
---
|
---
|
54,3
|
---
|
34,3
|
---
|
---
|
---
|
---
|
3000
|
33,2
|
36,8
|
34,6
|
34,9
|
56,7
|
---
|
---
|
---
|
---
|
---
|
54,7
|
---
|
34,7
|
---
|
---
|
---
|
---
|
Приложение 4
|
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