Hydrogen (H2) H2(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 -8.467 0. 0. 0.
100 28.154 100.727 155.408 -5.468 0. 0. 0.
200 27.447 119.412 133.284 -2.774 0. 0. 0.
250 28.344 125.640 131.152 -1.378 0. 0. 0.
 
298.15 28.836 130.680 130.680 0. 0. 0. 0.
 
300 28.849 130.858 130.680 0.053 0. 0. 0.
350 29.081 135.325 131.032 1.502 0. 0. 0.
400 29.181 139.216 131.817 2.959 0. 0. 0.
450 29.229 142.656 132.834 4.420 0. 0. 0.
500 29.260 145.737 133.973 5.882 0. 0. 0.
 
600 29.327 151.077 136.392 8.811 0. 0. 0.
700 29.441 155.606 138.822 11.749 0. 0. 0.
800 29.624 159.548 141.171 14.702 0. 0. 0.
900 29.881 163.051 143.411 17.676 0. 0. 0.
1000 30.205 166.216 145.536 20.680 0. 0. 0.
 
1100 30.581 169.112 147.549 23.719 0. 0. 0.
1200 30.992 171.790 149.459 26.797 0. 0. 0.
1300 31.423 174.288 151.274 29.918 0. 0. 0.
1400 31.861 176.633 153.003 33.082 0. 0. 0.
1500 32.298 178.846 154.652 36.290 0. 0. 0.
 
1600 32.725 180.944 156.231 39.541 0. 0. 0.
1700 33.139 182.940 157.743 42.835 0. 0. 0.
1800 33.537 184.846 159.197 46.169 0. 0. 0.
1900 33.917 186.669 160.595 49.541 0. 0. 0.
2000 34.280 188.418 161.943 52.951 0. 0. 0.
 
2100 34.624 190.099 163.244 56.397 0. 0. 0.
2200 34.952 191.718 164.501 59.876 0. 0. 0.
2300 35.263 193.278 165.719 63.387 0. 0. 0.
2400 35.559 194.785 166.899 66.928 0. 0. 0.
2500 35.842 196.243 168.044 70.498 0. 0. 0.
 
2600 36.111 197.654 169.155 74.096 0. 0. 0.
2700 36.370 199.021 170.236 77.720 0. 0. 0.
2800 36.618 200.349 171.288 81.369 0. 0. 0.
2900 36.856 201.638 172.313 85.043 0. 0. 0.
3000 37.087 202.891 173.311 88.740 0. 0. 0.
 
3100 37.311 204.111 174.285 92.460 0. 0. 0.
3200 37.528 205.299 175.236 96.202 0. 0. 0.
3300 37.740 206.457 176.164 99.966 0. 0. 0.
3400 37.946 207.587 177.072 103.750 0. 0. 0.
3500 38.149 208.690 177.960 107.555 0. 0. 0.
 
3600 38.348 209.767 178.828 111.380 0. 0. 0.
3700 38.544 210.821 179.679 115.224 0. 0. 0.
3800 38.738 211.851 180.512 119.089 0. 0. 0.
3900 38.928 212.860 181.328 122.972 0. 0. 0.
4000 39.116 213.848 182.129 126.874 0. 0. 0.
 
4100 39.301 214.816 182.915 130.795 0. 0. 0.
4200 39.484 215.765 183.686 134.734 0. 0. 0.
4300 39.665 216.696 184.442 138.692 0. 0. 0.
4400 39.842 217.610 185.186 142.667 0. 0. 0.
4500 40.017 218.508 185.916 146.660 0. 0. 0.
 
4600 40.188 219.389 186.635 150.670 0. 0. 0.
4700 40.355 220.255 187.341 154.698 0. 0. 0.
4800 40.518 221.106 188.035 158.741 0. 0. 0.
4900 40.676 221.943 188.719 162.801 0. 0. 0.
5000 40.829 222.767 189.392 166.876 0. 0. 0.
 
5100 40.976 223.577 190.054 170.967 0. 0. 0.
5200 41.117 224.374 190.706 175.071 0. 0. 0.
5300 41.252 225.158 191.349 179.190 0. 0. 0.
5400 41.379 225.931 191.982 183.322 0. 0. 0.
5500 41.498 226.691 192.606 187.465 0. 0. 0.
 
5600 41.609 227.440 193.222 191.621 0. 0. 0.
5700 41.712 228.177 193.829 195.787 0. 0. 0.
5800 41.806 228.903 194.427 199.963 0. 0. 0.
5900 41.890 229.619 195.017 204.148 0. 0. 0.
6000 41.965 230.323 195.600 208.341 0. 0. 0.
 
PREVIOUS: March 1961 (1 atm) CURRENT: March 1977 (1 bar)
 
Hydrogen (H2) H2(ref)

Download table in tab-delimited text format.