Methane (CH4) | C1H4(g) | |||||||||||||
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) | ![]() |
![]() |
log Kf | |||||||
0 | 0. | 0. | INFINITE | -10.024 | -66.911 | -66.911 | INFINITE | |||||||
100 | 33.258 | 149.500 | 216.485 | -6.698 | -69.644 | -64.353 | 33.615 | |||||||
200 | 33.473 | 172.577 | 189.418 | -3.368 | -72.027 | -58.161 | 15.190 | |||||||
250 | 34.216 | 180.113 | 186.829 | -1.679 | -73.426 | -54.536 | 11.395 | |||||||
298.15 | 35.639 | 186.251 | 186.251 | 0. | -74.873 | -50.768 | 8.894 | |||||||
300 | 35.708 | 186.472 | 186.252 | 0.066 | -74.929 | -50.618 | 8.813 | |||||||
350 | 37.874 | 192.131 | 186.694 | 1.903 | -76.461 | -46.445 | 6.932 | |||||||
400 | 40.500 | 197.356 | 187.704 | 3.861 | -77.969 | -42.054 | 5.492 | |||||||
450 | 43.374 | 202.291 | 189.053 | 5.957 | -79.422 | -37.476 | 4.350 | |||||||
500 | 46.342 | 207.014 | 190.614 | 8.200 | -80.802 | -32.741 | 3.420 | |||||||
600 | 52.227 | 215.987 | 194.103 | 13.130 | -83.308 | -22.887 | 1.993 | |||||||
700 | 57.794 | 224.461 | 197.840 | 18.635 | -85.452 | -12.643 | 0.943 | |||||||
800 | 62.932 | 232.518 | 201.675 | 24.675 | -87.238 | -2.115 | 0.138 | |||||||
900 | 67.601 | 240.205 | 205.532 | 31.205 | -88.692 | 8.616 | -0.500 | |||||||
1000 | 71.795 | 247.549 | 209.370 | 38.179 | -89.849 | 19.492 | -1.018 | |||||||
1100 | 75.529 | 254.570 | 213.162 | 45.549 | -90.750 | 30.472 | -1.447 | |||||||
1200 | 78.833 | 261.287 | 216.895 | 53.270 | -91.437 | 41.524 | -1.807 | |||||||
1300 | 81.744 | 267.714 | 220.558 | 61.302 | -91.945 | 52.626 | -2.115 | |||||||
1400 | 84.305 | 273.868 | 224.148 | 69.608 | -92.308 | 63.761 | -2.379 | |||||||
1500 | 86.556 | 279.763 | 227.660 | 78.153 | -92.553 | 74.918 | -2.609 | |||||||
1600 | 88.537 | 285.413 | 231.095 | 86.910 | -92.703 | 86.088 | -2.810 | |||||||
1700 | 90.283 | 290.834 | 234.450 | 95.853 | -92.780 | 97.265 | -2.989 | |||||||
1800 | 91.824 | 296.039 | 237.728 | 104.960 | -92.797 | 108.445 | -3.147 | |||||||
1900 | 93.188 | 301.041 | 240.930 | 114.212 | -92.770 | 119.624 | -3.289 | |||||||
2000 | 94.399 | 305.853 | 244.057 | 123.592 | -92.709 | 130.802 | -3.416 | |||||||
2100 | 95.477 | 310.485 | 247.110 | 133.087 | -92.624 | 141.975 | -3.531 | |||||||
2200 | 96.439 | 314.949 | 250.093 | 142.684 | -92.521 | 153.144 | -3.636 | |||||||
2300 | 97.301 | 319.255 | 253.007 | 152.371 | -92.409 | 164.308 | -3.732 | |||||||
2400 | 98.075 | 323.413 | 255.854 | 162.141 | -92.291 | 175.467 | -3.819 | |||||||
2500 | 98.772 | 327.431 | 258.638 | 171.984 | -92.174 | 186.622 | -3.899 | |||||||
2600 | 99.401 | 331.317 | 261.359 | 181.893 | -92.060 | 197.771 | -3.973 | |||||||
2700 | 99.971 | 335.080 | 264.020 | 191.862 | -91.954 | 208.916 | -4.042 | |||||||
2800 | 100.489 | 338.725 | 266.623 | 201.885 | -91.857 | 220.058 | -4.105 | |||||||
2900 | 100.960 | 342.260 | 269.171 | 211.958 | -91.773 | 231.196 | -4.164 | |||||||
3000 | 101.389 | 345.690 | 271.664 | 222.076 | -91.705 | 242.332 | -4.219 | |||||||
3100 | 101.782 | 349.021 | 274.106 | 232.235 | -91.653 | 253.465 | -4.271 | |||||||
3200 | 102.143 | 352.258 | 276.498 | 242.431 | -91.621 | 264.598 | -4.319 | |||||||
3300 | 102.474 | 355.406 | 278.842 | 252.662 | -91.609 | 275.730 | -4.364 | |||||||
3400 | 102.778 | 358.470 | 281.139 | 262.925 | -91.619 | 286.861 | -4.407 | |||||||
3500 | 103.060 | 361.453 | 283.391 | 273.217 | -91.654 | 297.993 | -4.447 | |||||||
3600 | 103.319 | 364.360 | 285.600 | 283.536 | -91.713 | 309.127 | -4.485 | |||||||
3700 | 103.560 | 367.194 | 287.767 | 293.881 | -91.798 | 320.262 | -4.521 | |||||||
3800 | 103.783 | 369.959 | 289.894 | 304.248 | -91.911 | 331.401 | -4.555 | |||||||
3900 | 103.990 | 372.658 | 291.982 | 314.637 | -92.051 | 342.542 | -4.588 | |||||||
4000 | 104.183 | 375.293 | 294.032 | 325.045 | -92.222 | 353.687 | -4.619 | |||||||
4100 | 104.363 | 377.868 | 296.045 | 335.473 | -92.422 | 364.838 | -4.648 | |||||||
4200 | 104.531 | 380.385 | 298.023 | 345.918 | -92.652 | 375.993 | -4.676 | |||||||
4300 | 104.688 | 382.846 | 299.967 | 356.379 | -92.914 | 387.155 | -4.703 | |||||||
4400 | 104.834 | 385.255 | 301.879 | 366.855 | -93.208 | 398.322 | -4.729 | |||||||
4500 | 104.972 | 387.612 | 303.758 | 377.345 | -93.533 | 409.497 | -4.753 | |||||||
4600 | 105.101 | 389.921 | 305.606 | 387.849 | -93.891 | 420.679 | -4.777 | |||||||
4700 | 105.223 | 392.182 | 307.424 | 398.365 | -94.281 | 431.869 | -4.800 | |||||||
4800 | 105.337 | 394.399 | 309.213 | 408.893 | -94.702 | 443.069 | -4.822 | |||||||
4900 | 105.445 | 396.572 | 310.973 | 419.432 | -95.156 | 454.277 | -4.843 | |||||||
5000 | 105.546 | 398.703 | 312.707 | 429.982 | -95.641 | 465.495 | -4.863 | |||||||
5100 | 105.642 | 400.794 | 314.414 | 440.541 | -96.157 | 476.722 | -4.883 | |||||||
5200 | 105.733 | 402.847 | 316.095 | 451.110 | -96.703 | 487.961 | -4.902 | |||||||
5300 | 105.818 | 404.861 | 317.750 | 461.688 | -97.278 | 499.210 | -4.920 | |||||||
5400 | 105.899 | 406.840 | 319.382 | 472.274 | -97.882 | 510.470 | -4.938 | |||||||
5500 | 105.976 | 408.784 | 320.990 | 482.867 | -98.513 | 521.741 | -4.955 | |||||||
5600 | 106.049 | 410.694 | 322.575 | 493.469 | -99.170 | 533.025 | -4.972 | |||||||
5700 | 106.118 | 412.572 | 324.137 | 504.077 | -99.852 | 544.320 | -4.988 | |||||||
5800 | 106.184 | 414.418 | 325.678 | 514.692 | -100.557 | 555.628 | -5.004 | |||||||
5900 | 106.247 | 416.234 | 327.197 | 525.314 | -101.284 | 566.946 | -5.019 | |||||||
6000 | 106.306 | 418.020 | 328.696 | 535.942 | -102.032 | 578.279 | -5.034 | |||||||
PREVIOUS: March 1961 (1 atm) | CURRENT: March 1961 (1 bar) | |||||||||||||
Methane (CH4) | C1H4(g) |
Download table in tab-delimited text format.