Formaldehyde (H2CO) | C1H2O1(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 | -10.021 | -112.057 | -112.057 | INFINITE | |||||||
100 | 33.258 | 182.208 | 249.156 | -6.695 | -113.243 | -112.630 | 58.832 | |||||||
200 | 33.502 | 205.292 | 222.109 | -3.363 | -114.387 | -111.598 | 29.146 | |||||||
250 | 34.194 | 212.831 | 219.525 | -1.673 | -115.118 | -110.819 | 23.154 | |||||||
298.15 | 35.402 | 218.950 | 218.950 | 0. | -115.897 | -109.921 | 19.258 | |||||||
300 | 35.458 | 219.169 | 218.951 | 0.066 | -115.928 | -109.884 | 19.132 | |||||||
350 | 37.203 | 224.761 | 219.388 | 1.880 | -116.771 | -108.810 | 16.239 | |||||||
400 | 39.264 | 229.861 | 220.383 | 3.791 | -117.616 | -107.615 | 14.053 | |||||||
450 | 41.489 | 234.613 | 221.703 | 5.810 | -118.445 | -106.314 | 12.341 | |||||||
500 | 43.766 | 239.102 | 223.220 | 7.941 | -119.245 | -104.923 | 10.961 | |||||||
600 | 48.216 | 247.478 | 226.575 | 12.542 | -120.731 | -101.917 | 8.873 | |||||||
700 | 52.319 | 255.224 | 230.121 | 17.572 | -122.039 | -98.675 | 7.363 | |||||||
800 | 55.983 | 262.455 | 233.716 | 22.991 | -123.162 | -95.259 | 6.220 | |||||||
900 | 59.199 | 269.239 | 237.290 | 28.754 | -124.111 | -91.712 | 5.323 | |||||||
1000 | 61.995 | 275.624 | 240.807 | 34.817 | -124.906 | -88.068 | 4.600 | |||||||
1100 | 64.411 | 281.649 | 244.249 | 41.140 | -125.570 | -84.351 | 4.005 | |||||||
1200 | 66.494 | 287.345 | 247.605 | 47.688 | -126.127 | -80.578 | 3.507 | |||||||
1300 | 68.290 | 292.740 | 250.871 | 54.429 | -126.596 | -76.763 | 3.084 | |||||||
1400 | 69.840 | 297.859 | 254.046 | 61.338 | -126.998 | -72.914 | 2.720 | |||||||
1500 | 71.182 | 302.724 | 257.131 | 68.390 | -127.349 | -69.039 | 2.404 | |||||||
1600 | 72.346 | 307.356 | 260.126 | 75.568 | -127.661 | -65.141 | 2.127 | |||||||
1700 | 73.360 | 311.773 | 263.035 | 82.855 | -127.946 | -61.225 | 1.881 | |||||||
1800 | 74.246 | 315.992 | 265.861 | 90.236 | -128.213 | -57.292 | 1.663 | |||||||
1900 | 75.023 | 320.028 | 268.606 | 97.700 | -128.470 | -53.345 | 1.467 | |||||||
2000 | 75.709 | 323.894 | 271.275 | 105.237 | -128.724 | -49.385 | 1.290 | |||||||
2100 | 76.314 | 327.602 | 273.869 | 112.839 | -128.979 | -45.411 | 1.130 | |||||||
2200 | 76.852 | 331.165 | 276.393 | 120.498 | -129.240 | -41.426 | 0.984 | |||||||
2300 | 77.331 | 334.592 | 278.850 | 128.208 | -129.510 | -37.428 | 0.850 | |||||||
2400 | 77.759 | 337.893 | 281.241 | 135.963 | -129.792 | -33.419 | 0.727 | |||||||
2500 | 78.143 | 341.075 | 283.572 | 143.758 | -130.090 | -29.397 | 0.614 | |||||||
2600 | 78.489 | 344.146 | 285.843 | 151.590 | -130.404 | -25.363 | 0.510 | |||||||
2700 | 78.801 | 347.115 | 288.057 | 159.455 | -130.736 | -21.317 | 0.412 | |||||||
2800 | 79.083 | 349.986 | 290.218 | 167.349 | -131.088 | -17.258 | 0.322 | |||||||
2900 | 79.339 | 352.765 | 292.327 | 175.270 | -131.461 | -13.186 | 0.238 | |||||||
3000 | 79.573 | 355.459 | 294.387 | 183.216 | -131.855 | -9.101 | 0.158 | |||||||
3100 | 79.786 | 358.072 | 296.399 | 191.184 | -132.272 | -5.002 | 0.084 | |||||||
3200 | 79.981 | 360.608 | 298.366 | 199.173 | -132.713 | -0.890 | 0.015 | |||||||
3300 | 80.159 | 363.072 | 300.290 | 207.180 | -133.177 | 3.236 | -0.051 | |||||||
3400 | 80.323 | 365.467 | 302.172 | 215.204 | -133.666 | 7.377 | -0.113 | |||||||
3500 | 80.475 | 367.798 | 304.014 | 223.244 | -134.179 | 11.533 | -0.172 | |||||||
3600 | 80.614 | 370.067 | 305.817 | 231.299 | -134.717 | 15.704 | -0.228 | |||||||
3700 | 80.743 | 372.277 | 307.584 | 239.367 | -135.281 | 19.890 | -0.281 | |||||||
3800 | 80.863 | 374.432 | 309.315 | 247.447 | -135.871 | 24.092 | -0.331 | |||||||
3900 | 80.974 | 376.534 | 311.011 | 255.539 | -136.486 | 28.310 | -0.379 | |||||||
4000 | 81.077 | 378.586 | 312.675 | 263.641 | -137.128 | 32.543 | -0.425 | |||||||
4100 | 81.173 | 380.589 | 314.307 | 271.754 | -137.796 | 36.793 | -0.469 | |||||||
4200 | 81.263 | 382.546 | 315.909 | 279.876 | -138.491 | 41.060 | -0.511 | |||||||
4300 | 81.346 | 384.459 | 317.481 | 288.006 | -139.213 | 45.343 | -0.551 | |||||||
4400 | 81.425 | 386.330 | 319.024 | 296.145 | -139.962 | 49.643 | -0.589 | |||||||
4500 | 81.498 | 388.161 | 320.541 | 304.291 | -140.738 | 53.961 | -0.626 | |||||||
4600 | 81.567 | 389.953 | 322.030 | 312.444 | -141.540 | 58.296 | -0.662 | |||||||
4700 | 81.631 | 391.708 | 323.494 | 320.604 | -142.371 | 62.650 | -0.696 | |||||||
4800 | 81.692 | 393.427 | 324.933 | 328.771 | -143.228 | 67.021 | -0.729 | |||||||
4900 | 81.749 | 395.112 | 326.348 | 336.943 | -144.113 | 71.410 | -0.761 | |||||||
5000 | 81.803 | 396.764 | 327.740 | 345.120 | -145.025 | 75.818 | -0.792 | |||||||
5100 | 81.854 | 398.384 | 329.109 | 353.303 | -145.964 | 80.244 | -0.822 | |||||||
5200 | 81.902 | 399.974 | 330.457 | 361.491 | -146.930 | 84.689 | -0.851 | |||||||
5300 | 81.948 | 401.535 | 331.783 | 369.683 | -147.924 | 89.153 | -0.879 | |||||||
5400 | 81.991 | 403.067 | 333.089 | 377.880 | -148.944 | 93.636 | -0.906 | |||||||
5500 | 82.031 | 404.572 | 334.375 | 386.082 | -149.991 | 98.137 | -0.932 | |||||||
5600 | 82.070 | 406.050 | 335.642 | 394.287 | -151.064 | 102.659 | -0.958 | |||||||
5700 | 82.107 | 407.503 | 336.890 | 402.495 | -152.164 | 107.199 | -0.982 | |||||||
5800 | 82.141 | 408.932 | 338.120 | 410.708 | -153.290 | 111.759 | -1.007 | |||||||
5900 | 82.175 | 410.336 | 339.332 | 418.924 | -154.442 | 116.338 | -1.030 | |||||||
6000 | 82.206 | 411.717 | 340.527 | 427.143 | -155.619 | 120.938 | -1.053 | |||||||
PREVIOUS: March 1961 (1 atm) | CURRENT: March 1961 (1 bar) | |||||||||||||
Formaldehyde (H2CO) | C1H2O1(g) |
Download table in tab-delimited text format.