J.6 Nitrogen oxide, NO(g)
\[\dfrac{1}{2}\mathrm{N_2}(g) + \dfrac{1}{2}\mathrm{O_2}(g) \longrightarrow \mathrm{NO}(g)\]
Data
Enthalpy reference temperature (Tr = 298.15 K); Standard state pressure = p° = 0.1 MPa
- C°p, S°, and -[G°-H°(Tr)]/T in J mol–1 K–1
- ΔH°f and ΔG°f in kJ mol–1
T (K) | C°p | S° | –[G°-H°(Tr)]/T | H° -H°(Tr) | ΔH°f | ΔG°f | log Kf |
---|---|---|---|---|---|---|---|
0 | 0 | 0 | INFINITE | -9.192 | 89.775 | 89.775 | INFINITE |
100 | 32.302 | 177.031 | 237.757 | -6.073 | 89.991 | 88.944 | -46.46 |
200 | 30.42 | 198.747 | 213.501 | -2.951 | 90.202 | 87.8 | -22.931 |
250 | 30.025 | 205.488 | 211.251 | -1.441 | 90.256 | 87.193 | -18.218 |
298.15 | 29.845 | 210.758 | 210.758 | 0 | 90.291 | 86.6 | -15.172 |
300 | 29.841 | 210.943 | 210.759 | 0.055 | 90.292 | 86.577 | -15.074 |
350 | 29.823 | 215.54 | 211.122 | 1.546 | 90.316 | 85.955 | -12.828 |
400 | 29.944 | 219.529 | 211.929 | 3.04 | 90.332 | 85.331 | -11.143 |
450 | 30.175 | 223.068 | 212.974 | 4.542 | 90.343 | 84.705 | -9.832 |
500 | 30.486 | 226.263 | 214.145 | 6.059 | 90.352 | 84.079 | -8.784 |
600 | 31.238 | 231.886 | 216.646 | 9.144 | 90.366 | 82.822 | -7.21 |
700 | 32.028 | 236.761 | 219.179 | 12.307 | 90.381 | 81.564 | -6.086 |
800 | 32.767 | 241.087 | 221.652 | 15.548 | 90.398 | 80.303 | -5.243 |
900 | 33.422 | 244.985 | 224.031 | 18.858 | 90.417 | 79.041 | -4.587 |
1000 | 33.987 | 248.536 | 226.307 | 22.229 | 90.437 | 77.775 | -4.063 |
1100 | 34.468 | 251.799 | 228.478 | 25.653 | 90.457 | 76.508 | -3.633 |
1200 | 34.877 | 254.816 | 230.549 | 29.12 | 90.476 | 75.239 | -3.275 |
1300 | 35.226 | 257.621 | 232.525 | 32.626 | 90.493 | 73.969 | -2.972 |
1400 | 35.524 | 260.243 | 234.412 | 36.164 | 90.508 | 72.697 | -2.712 |
1500 | 35.78 | 262.703 | 236.217 | 39.729 | 90.518 | 71.425 | -2.487 |
1600 | 36.002 | 265.019 | 237.945 | 43.319 | 90.525 | 70.151 | -2.29 |
1700 | 36.195 | 267.208 | 239.603 | 46.929 | 90.526 | 68.878 | -2.116 |
1800 | 36.364 | 269.282 | 241.195 | 50.557 | 90.522 | 67.605 | -1.962 |
1900 | 36.514 | 271.252 | 242.725 | 54.201 | 90.511 | 66.332 | -1.824 |
2000 | 36.647 | 273.128 | 244.199 | 57.859 | 90.494 | 65.06 | -1.699 |
2100 | 36.767 | 274.919 | 245.619 | 61.53 | 90.469 | 63.788 | -1.587 |
2200 | 36.874 | 276.632 | 246.99 | 65.212 | 90.438 | 62.519 | -1.484 |
2300 | 36.971 | 278.273 | 248.315 | 68.904 | 90.398 | 61.251 | -1.391 |
2400 | 37.06 | 279.849 | 249.596 | 72.606 | 90.35 | 59.984 | -1.306 |
2500 | 37.141 | 281.363 | 250.837 | 76.316 | 90.295 | 58.72 | -1.227 |
2600 | 37.216 | 282.822 | 252.039 | 80.034 | 90.231 | 57.458 | -1.154 |
2700 | 37.285 | 284.227 | 253.205 | 83.759 | 90.16 | 56.199 | -1.087 |
2800 | 37.35 | 285.585 | 254.338 | 87.491 | 90.081 | 54.943 | -1.025 |
2900 | 37.41 | 286.896 | 255.438 | 91.229 | 89.994 | 53.689 | -0.967 |
3000 | 37.466 | 288.165 | 256.508 | 94.973 | 89.899 | 52.439 | -0.913 |
3100 | 37.519 | 289.395 | 257.549 | 98.722 | 89.798 | 51.192 | -0.863 |
3200 | 37.57 | 290.587 | 258.563 | 102.477 | 89.689 | 49.948 | -0.815 |
3300 | 37.617 | 291.744 | 259.551 | 106.236 | 89.574 | 48.708 | -0.771 |
3400 | 37.663 | 292.867 | 260.514 | 110 | 89.451 | 47.472 | -0.729 |
3500 | 37.706 | 293.96 | 261.454 | 113.768 | 89.323 | 46.239 | -0.69 |
3600 | 37.747 | 295.022 | 262.372 | 117.541 | 89.189 | 45.01 | -0.653 |
3700 | 37.787 | 296.057 | 263.269 | 121.318 | 89.049 | 43.784 | -0.618 |
3800 | 37.825 | 297.065 | 264.145 | 125.098 | 88.903 | 42.563 | -0.585 |
3900 | 37.862 | 298.048 | 265.002 | 128.883 | 88.752 | 41.346 | -0.554 |
4000 | 37.898 | 299.008 | 265.84 | 132.671 | 88.596 | 40.132 | -0.524 |
4100 | 37.933 | 299.944 | 266.66 | 136.462 | 88.434 | 38.922 | -0.496 |
4200 | 37.966 | 300.858 | 267.464 | 140.257 | 88.268 | 37.717 | -0.469 |
4300 | 37.999 | 301.752 | 268.251 | 144.056 | 88.097 | 36.515 | -0.444 |
4400 | 38.031 | 302.626 | 269.022 | 147.857 | 87.922 | 35.318 | -0.419 |
4500 | 38.062 | 303.481 | 269.778 | 151.662 | 87.741 | 34.124 | -0.396 |
4600 | 38.092 | 304.318 | 270.52 | 155.469 | 87.556 | 32.934 | -0.374 |
4700 | 38.122 | 305.137 | 271.248 | 159.28 | 87.366 | 31.749 | -0.353 |
4800 | 38.151 | 305.94 | 271.962 | 163.094 | 87.171 | 30.568 | -0.333 |
4900 | 38.18 | 306.727 | 272.664 | 166.91 | 86.97 | 29.391 | -0.313 |
5000 | 38.208 | 307.499 | 273.353 | 170.73 | 86.765 | 28.218 | -0.295 |
5100 | 38.235 | 308.256 | 274.03 | 174.552 | 86.553 | 27.049 | -0.277 |
5200 | 38.262 | 308.998 | 274.695 | 178.377 | 86.336 | 25.884 | -0.26 |
5300 | 38.289 | 309.728 | 275.349 | 182.204 | 86.112 | 24.724 | -0.244 |
5400 | 38.316 | 310.443 | 275.993 | 186.034 | 85.881 | 23.568 | -0.228 |
5500 | 38.342 | 311.147 | 276.625 | 189.867 | 85.644 | 22.416 | -0.213 |
5600 | 38.367 | 311.838 | 277.248 | 193.703 | 85.399 | 21.269 | -0.198 |
5700 | 38.393 | 312.517 | 277.861 | 197.541 | 85.146 | 20.125 | -0.184 |
5800 | 38.418 | 313.185 | 278.464 | 201.381 | 84.884 | 18.987 | -0.171 |
5900 | 38.443 | 313.842 | 279.058 | 205.224 | 84.613 | 17.853 | -0.158 |
6000 | 38.468 | 314.488 | 279.643 | 209.07 | 84.331 | 16.724 | -0.146 |