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) fH° fG° 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)

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