Helium (He) He1(ref)
 
Enthalpy Reference Temperature = Tr = 298.15 K Standard State Pressure = p° = 0.1 MPa
  J·K-1 mol-1 kJ·mol-1  
T/K Cp° S° -[G°-H°(Tr)]/T H-H°(Tr) fH° fG° log Kf
0 0. 0. INFINITE -6.197 0. 0. 0.
100 20.786 103.445 144.632 -4.119 0. 0. 0.
200 20.786 117.853 128.053 -2.040 0. 0. 0.
250 20.786 122.491 126.494 -1.001 0. 0. 0.
 
298.15 20.786 126.152 126.152 0. 0. 0. 0.
 
300 20.786 126.281 126.152 0.038 0. 0. 0.
350 20.786 129.485 126.405 1.078 0. 0. 0.
400 20.786 132.260 126.968 2.117 0. 0. 0.
450 20.786 134.709 127.694 3.156 0. 0. 0.
500 20.786 136.899 128.507 4.196 0. 0. 0.
 
600 20.786 140.688 130.231 6.274 0. 0. 0.
700 20.786 143.893 131.960 8.353 0. 0. 0.
800 20.786 146.668 133.629 10.431 0. 0. 0.
900 20.786 149.116 135.216 12.510 0. 0. 0.
1000 20.786 151.306 136.718 14.589 0. 0. 0.
 
1100 20.786 153.288 138.135 16.667 0. 0. 0.
1200 20.786 155.096 139.475 18.746 0. 0. 0.
1300 20.786 156.760 140.741 20.824 0. 0. 0.
1400 20.786 158.300 141.941 22.903 0. 0. 0.
1500 20.786 159.734 143.080 24.982 0. 0. 0.
 
1600 20.786 161.076 144.163 27.060 0. 0. 0.
1700 20.786 162.336 145.196 29.139 0. 0. 0.
1800 20.786 163.524 146.181 31.217 0. 0. 0.
1900 20.786 164.648 147.124 33.296 0. 0. 0.
2000 20.786 165.714 148.027 35.375 0. 0. 0.
 
2100 20.786 166.728 148.893 37.453 0. 0. 0.
2200 20.786 167.695 149.726 39.532 0. 0. 0.
2300 20.786 168.619 150.528 41.610 0. 0. 0.
2400 20.786 169.504 151.300 43.689 0. 0. 0.
2500 20.786 170.352 152.045 45.768 0. 0. 0.
 
2600 20.786 171.168 152.765 47.846 0. 0. 0.
2700 20.786 171.952 153.461 49.925 0. 0. 0.
2800 20.786 172.708 154.135 52.004 0. 0. 0.
2900 20.786 173.438 154.789 54.082 0. 0. 0.
3000 20.786 174.142 155.422 56.161 0. 0. 0.
 
3100 20.786 174.824 156.037 58.239 0. 0. 0.
3200 20.786 175.484 156.634 60.318 0. 0. 0.
3300 20.786 176.123 157.215 62.397 0. 0. 0.
3400 20.786 176.744 157.781 64.475 0. 0. 0.
3500 20.786 177.346 158.331 66.554 0. 0. 0.
 
3600 20.786 177.932 158.867 68.632 0. 0. 0.
3700 20.786 178.501 159.390 70.711 0. 0. 0.
3800 20.786 179.056 159.901 72.790 0. 0. 0.
3900 20.786 179.596 160.399 74.868 0. 0. 0.
4000 20.786 180.122 160.885 76.947 0. 0. 0.
 
4100 20.786 180.635 161.361 79.025 0. 0. 0.
4200 20.786 181.136 161.826 81.104 0. 0. 0.
4300 20.786 181.625 162.280 83.183 0. 0. 0.
4400 20.786 182.103 162.726 85.261 0. 0. 0.
4500 20.786 182.570 163.161 87.340 0. 0. 0.
 
4600 20.786 183.027 163.588 89.418 0. 0. 0.
4700 20.786 183.474 164.007 91.497 0. 0. 0.
4800 20.786 183.912 164.417 93.576 0. 0. 0.
4900 20.786 184.340 164.819 95.654 0. 0. 0.
5000 20.786 184.760 165.214 97.733 0. 0. 0.
 
5100 20.786 185.172 165.601 99.811 0. 0. 0.
5200 20.786 185.575 165.981 101.890 0. 0. 0.
5300 20.786 185.971 166.355 103.969 0. 0. 0.
5400 20.786 186.360 166.722 106.047 0. 0. 0.
5500 20.786 186.741 167.082 108.126 0. 0. 0.
 
5600 20.786 187.116 167.437 110.204 0. 0. 0.
5700 20.786 187.484 167.785 112.283 0. 0. 0.
5800 20.786 187.845 168.128 114.362 0. 0. 0.
5900 20.786 188.201 168.465 116.440 0. 0. 0.
6000 20.786 188.550 168.797 118.519 0. 0. 0.
 
PREVIOUS: March 1977 (1 atm) CURRENT: March 1982 (1 bar)
 
Helium (He) He1(ref)

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