Find the standard-state enthalpy change of the reaction of Eq. (2.7-6):0=2NO_{2}(g)-N_{2}O_{4}(g) at 298.15 K, using values of enthalpy changes of formation from Table A.8.
Table A.8 Values of Thermodynamic Functions | ||||||
Quantities | ||||||
T | C^{°}_{V,m} | S^{°}_{m} | -\frac{G^{°}_{m}-H^{°}_{m,298}}{T} | H^{°}_{m}-H^{°}_{m,298} | \Delta _{f}H^{°} | \Delta _{f}G^{°} |
Units | ||||||
K | JK^{-1}mol^{-1} | JK^{-1}mol^{-1} | JK^{-1}mol^{-1} | kJmol^{-1} | kJmol^{-1} | kJmol^{-1} |
Ag(cr) | ||||||
0 | −5.745 | |||||
298 | 25.351 | 42.55 | – | 0 | 0 | 0 |
Ag^{+}(ao) | ||||||
298 | 21.8 | 72.78 | 105.579 | 77.107 | ||
AgBr(cr) | ||||||
298 | 52.38 | 107.1 | −100.37 | −96.90 | ||
AgCl(cr) | ||||||
298 | 50.79 | 96.2 | −127.068 | −109.78 | ||
AgI(cr) | ||||||
298 | 56.82 | 115.5 | −61.84 | −66.19 | ||
Ag_{2}S(cr, α, orthorhombic) | ||||||
0 | −33.999 | |||||
298 | 76.53 | 144.01 | −32.59 | −40.67 | ||
Ag_{2}S(cr, β) | ||||||
298 | 150.6 | −29.41 | −39.46 | |||
Ar(g) | ||||||
0 | 0 | 0 | −6.197 | 0 | 0 | |
298 | 20.786 | 154.845 | 154.845 | 0 | 0 | 0 |
500 | 20.786 | 165.591 | 157.200 | 4.196 | 0 | 0 |
1000 | 20.786 | 179.999 | 165.410 | 14.589 | 0 | 0 |
2000 | 20.786 | 194.407 | 176.719 | 35.375 | ||
Br(g) | ||||||
0 | 117.942 | |||||
298 | 20.786 | 175.022 | 6.197 | 111.884 | 82.396 | |
500 | 20.798 | 185.765 | 177.372 | 4.196 | 96.900 | 70.100 |
1000 | 21.365 | 200.301 | 185.603 | 14.698 | 98.028 | 42.873 |
Br^{−}(ao) | ||||||
298 | −141.8 | 82.4 | −121.55 | −103.96 | ||
Br_{2}(g) | ||||||
0 | 0 | 0 | −9.722 | 45.702 | 45.697 | |
298 | 36.048 | 245.394 | 245.394 | 0 | 30.910 | 3.126 |
500 | 37.077 | 264.329 | 249.526 | 7.402 | 0 | 0 |
1000 | 37.787 | 290.293 | 264.143 | 26.150 | 0 | 0 |
2000 | 38.945 | 316.785 | 283.569 | 64.432 | 0 | 0 |
Br_{2}(l) | ||||||
298 | 75.674 | 152.206 | 152.206 | 0 | 0 | 0 |
500 | 75.302 | 191.150 | −23.208 | 13.481 | ||
C(cr, graphite) | ||||||
0 | 0 | 0 | -1.051 | 0 | 0 | |
298 | .517 | 5.740 | 5.740 | 0 | 0 | 0 |
500 | 14.623 | 11.662 | 6.932 | 2.365 | 0 | 0 |
1000 | 21.610 | 24.457 | 12.662 | 11.795 | 0 | 0 |
2000 | 25.094 | 40.771 | 23.008 | 35.525 | 0 | 0 |
C(cr, diamond) | ||||||
0 | −0.523 | 2.423 | ||||
298 | 6.113 | 2.377 | 0 | 1.895 | 2.900 | |
C(g) | ||||||
0 | 0 | 0 | −6.536 | 711.185 | 711.185 | |
298 | 20.838 | 158.100 | 158.100 | 0 | 716.170 | 671.244 |
500 | 20.804 | 168.863 | 160.459 | 4.202 | 718.507 | 639.906 |
1000 | 20.791 | 183.278 | 168.678 | 14.600 | 719.475 | 560.654 |
2000 | 20.952 | 197.713 | 179.996 | 35.433 | 716.577 | 402.694 |
CH_{4}(g) | ||||||
0 | 0 | 0 | −10.024 | −66.911 | −66.911 | |
298 | 35.639 | 186.251 | 186.251 | 0 | −74.873 | −50.768 |
500 | 46.342 | 207.014 | 190.614 | 8.200 | −80.802 | −32.741 |
1000 | 71.795 | 247.549 | 209.370 | 38.179 | −89.849 | 19.492 |
2000 | 94.399 | 305.853 | 244.057 | 123.592 | −92.709 | 130.802 |
CO(g) | ||||||
0 | 0 | 0 | −8.671 | -113.805 | -113.805 | |
298 | 29.142 | 197.653 | 197.653 | 0 | −110.527 | -137.163 |
500 | 29.794 | 212.831 | 200.968 | 5.931 | −110.003 | −155.414 |
1000 | 33.183 | 234.538 | 212.848 | 21.690 | −111.983 | −200.275 |
2000 | 36.250 | 258.714 | 230.342 | 56.744 | −118.896 | −286.034 |
CO(ao) | ||||||
298 | 104.6 | −120.96 | −119.90 | |||
CO_{2}(g) | ||||||
0 | 0 | 0 | −9.364 | −393.151 | −393.151 | |
298 | 37.129 | 213.795 | 213.795 | 0 | -394.389 | -394.389 |
500 | 44.627 | 234.901 | 281.290 | 8.054 | −393.676 | −394.939 |
1000 | 54.308 | 269.299 | 235.901 | 33.397 | −394.623 | −395.886 |
2000 | 60.350 | 309.293 | 263.574 | 91.439 | −396.784 | −396.333 |
CO_{2}(ao) | ||||||
298 | 117.6 | −413.80 | −385.98 | |||
CH_{3}OH(g) | ||||||
298 | 43.89 | 289.81 | 0 | −201.17 | −162.46 | |
C_{2}H_{2}(g) | ||||||
0 | 0 | 0 | −10.012 | 235.755 | 235.755 | |
298 | 44.095 | 200.958 | 200.958 | 0 | 226.731 | 248.163 |
500 | 54.869 | 226.610 | 206.393 | 10.108 | 220.345 | 264.439 |
1000 | 68.275 | 269.192 | 227.984 | 41.208 | 202.989 | 315.144 |
2000 | 81.605 | 321.335 | 262.733 | 117.203 | 166.980 | 441.068 |
C_{2}H_{4}(g) | ||||||
0 | 0 | 0 | −10.518 | 60.986 | 60.986 | |
298 | 42.886 | 219.330 | 219.330 | 0 | 52.467 | 68.421 |
500 | 62.477 | 246.215 | 224.879 | 10.668 | 46.641 | 80.933 |
1000 | 93.899 | 300.408 | 249.742 | 50.665 | 38.183 | 119.122 |
2000 | 118.386 | 374.791 | 295.101 | 159.381 | 34.894 | 202.070 |
C_{2}H_{6}(g) | ||||||
0 | −11.950 | −69.132 | ||||
298 | 52.63 | 229.60 | 0 | −84.68 | −32.82 | |
Ethanol, C_{2}H_{5}OH(l) | ||||||
298 | 111.46 | 160.7 | −277.69 | −174.78 | ||
Ethanol, C_{2}H_{5}OH(ao) | ||||||
298 | 148.5 | -288.3 | -181.64 | |||
Acetic acid, CH_{3}CO_{2}H(l) | ||||||
298 | 124.3 | 282.5 | -484.5 | -389.9 | ||
Acetic acid, CH_{3}CO_{2}H(ai) | ||||||
298 | -6.3 | 86.6 | -486.01 | -396.31 | ||
Acetic acid, CH_{3}CO_{2}H(ao) | ||||||
298 | 178.7 | −485.76 | −396.46 | |||
Acetate ion, CH^{3}CO_{2}^{−}(ao) | ||||||
298 | −6.3 | 86.6 | 0 | −486.01 | −369.31 | |
Propane, C_{3}H_{8}(g) | ||||||
298 | 73.51 | 270.02 | −103.85 | −23.27 | ||
n-Butane, C_{4}H_{10}(g) | ||||||
298 | 97.45 | 310.23 | 0 | −201.17 | −162.46 | |
Benzene, C_{6}H_{6}(g) | ||||||
298 | 81.67 | 269.31 | 0 | 82.93 | 129.73 | |
Benzene, C_{6}H_{6}(l) | ||||||
298 | 135.31 | 172.8 | 49.028 | 124.50 | ||
Benzoic acid, C_{6}H_{5}COOH(cr) | ||||||
298 | 146.8 | 167.6 | 0 | −385.1 | −245.3 | |
Cyclohexane, C_{6}H_{12}(g) | ||||||
298 | 106.3 | 298.2 | −123.1 | 31.8 | ||
Cyclohexane, C_{6}H_{12}(l) | ||||||
298 | 156 | 204.4 | −156.2 | 26.7 | ||
Octane, C_{8}H_{18}(l) | ||||||
298 | 361.1 | −249.9 | 6.4 | |||
Iso-octane (2,2,4-trimethyl pentane), C_{8}H_{18}(g) | ||||||
298 | 423.2 | −224.1 | 13.7 | |||
Iso-octane (2,2,4-trimethyl pentane), C_{8}H_{18}(l) | ||||||
298 | 328.0 | −255.1 | 6.90 | |||
Ca(cr) | ||||||
298 | 25.951 | 43.070 | 43.070 | 0 | 1.056 | 0.61 |
Ca^{2+}(ao) | ||||||
298 | −53.1 | −542.83 | −553.58 | |||
CaCl_{2}(cr) | ||||||
298 | 72.59 | 104.6 | −795.8 | −748.1 | ||
Calcite, CaCO_{3}(cr) | ||||||
298 | 81.88 | 92.9 | −1206.92 | −1128.79 | ||
Aragonite, CaCO_{3}(cr) | ||||||
298 | 81.25 | 88.7 | −1207.13 | −1127.75 | ||
CaO(cr) | ||||||
298 | 42.120 | 38.212 | 38.212 | 0 | -635.089 | −603.501 |
500 | 48.982 | 61.980 | 43.305 | 9.338 | −634.242 | −582.316 |
1000 | 53.735 | 97.700 | 62.463 | 35.237 | −634.273 | −530.677 |
Cl(g) | ||||||
0 | 0 | 0 | −6.272 | 119.621 | 119.621 | |
298 | 21.838 | 165.189 | 165.189 | 0 | 121.302 | 105.306 |
500 | 22.744 | 176.752 | 167.708 | 4.522 | 122.272 | 94.203 |
1000 | 22.233 | 192.430 | 176.615 | 15.815 | 124.334 | 65.288 |
2000 | 21.341 | 207.505 | 188.749 | 37.512 | 127.058 | 5.081 |
Cl^{-}(g) | ||||||
298 | 22.958 | 167.5567 | 167.556 | 0 | 1378.801 | 1355.845 |
500 | 23.706 | 179.700 | 170.205 | 4.748 | 1384.192 | 1338 |
Cl_{2}(g) | ||||||
0 | 0 | 0 | −9.181 | 0 | 0 | |
298 | 33.949 | 223.079 | 223.079 | 0 | 0 | 0 |
500 | 36.064 | 241.228 | 227.020 | 7.104 | 0 | 0 |
1000 | 37.438 | 266.767 | 241.203 | 25.565 | 0 | 0 |
2000 | 38.428 | 293.033 | 261.277 | 63.512 | 0 | 0 |
Cl^{-}(ao) | ||||||
298 | −136.4 | 56.5 | −167.159 | −131.228 | ||
Cu(cr) | ||||||
298 | 24.435 | 33.150 | 0 | 0 | ||
Cu^{2+}(ao) | ||||||
298 | -99.6 | 64.77 | 65.49 | |||
CuO(cr) | ||||||
298 | 42.246 | 42.594 | 42.594 | −156.063 | −128.292 | |
Cu_{2}O(cr) | ||||||
298 | 35.693 | 234.617 | 234.617 | 0 | 306.269 | 276.788 |
F(g) | ||||||
0 | 0 | 0 | -6.518 | 77.284 | 77.284 | |
298 | 22.746 | 158.750 | 158.750 | 0 | 79.390 | 62.289 |
500 | 22.100 | 170.363 | 161.307 | 4.528 | 80.597 | 50.350 |
1000 | 21.266 | 185.362 | 170.038 | 15.324 | 82.403 | 19.317 |
2000 | 20.925 | 199.963 | 181.778 | 36.369 | 84.387 | −44.635 |
F_{2}(g) | ||||||
0 | 0 | 0 | -8.825 | 0 | 0 | |
298 | 31.302 | 202.789 | 202.789 | 0 | 0 | 0 |
500 | 34.255 | 219.738 | 206.452 | 6.743 | 0 | 0 |
1000 | 37.057 | 244.552 | 219.930 | 24.622 | 0 | 0 |
2000 | 38.846 | 270.904 | 239.531 | 62.745 | 0 | 0 |
Fe(cr) | ||||||
0 | -4.489 | |||||
298 | 25.10 | 27.28 | 0 | 0 | 0 | |
Fe^{2+}(ao) | ||||||
298 | −137.7 | −89.1 | −78.90 | |||
Fe^{3+}(ao) | ||||||
298 | −315.9 | −48.5 | −4.7 | |||
Fe(OH)_{3}(s) | ||||||
298 | 106.7 | −823.0 | −696.5 | |||
Fe(OH)_{3}(ao) | ||||||
298 | −659.3 | |||||
H_{2}(g) | ||||||
0 | 0 | 0 | −8.467 | 0 | 0 | |
298 | 28.836 | 130.680 | 130.680 | 0 | 0 | 0 |
500 | 29.260 | 145.737 | 133.973 | 5.882 | 0 | 0 |
1000 | 30.205 | 166.216 | 145.536 | 20.680 | 0 | 0 |
2000 | 34.280 | 188.418 | 161.943 | 52.951 | 0 | 0 |
H(g) | ||||||
0 | 0 | 0 | −6.197 | 216.35 | 216.035 | |
298 | 20.786 | 114.713 | 0 | 217.965 | 203.247 | |
500 | 20.786 | 125.463 | 5.928 | 219.254 | 192.957 | |
H^{+}(ao) | ||||||
298 | 0 | 0 | 0 | 0 | ||
H_{2}CO_{3}(ao) | ||||||
298 | 187.4 | −699.65 | −623.08 | |||
HBr(g) | ||||||
0 | 0 | 0 | −8.648 | −28.560 | −28.560 | |
298 | 29.142 | 198.695 | 0 | −36.40 | −53.45 | |
500 | 29.453 | 213.812 | 202.006 | 5.903 | −52.636 | −57.026 |
1000 | 32.319 | 235.032 | 21.294 | −54.018 | −60.796 | |
2000 | 36.109 | 258.824 | 55.838 | −54.751 | −67.196 | |
HCl(g) | ||||||
0 | 0 | 0 | −8.640 | −92.127 | −92.127 | |
298 | 29.136 | 186.901 | 186.901 | 0 | −92.312 | −95.300 |
500 | 29.304 | 201.898 | 190.205 | 5.892 | −92.912 | −97.166 |
1000 | 31.628 | 222.903 | 201.857 | 21.046 | −94.388 | −100.799 |
2000 | 35.600 | 246.246 | 218.769 | 54.953 | −95.590 | −106.631 |
HF(g) | ||||||
298 | 29.138 | 173.78 | 173.780 | 0 | −272.546 | −274.646 |
HI(g) | ||||||
0 | 0 | 0 | −8.656 | 28.535 | 28.535 | |
298 | 29.156 | 206.589 | 206.589 | 0 | 26.359 | 1.560 |
500 | 29.736 | 221.760 | 209.905 | 5.928 | −5.622 | −10.088 |
1000 | 33.135 | 243.404 | 221.763 | 21.641 | −6.754 | −14.006 |
2000 | 36.623 | 267.680 | 239.248 | 56.863 | −7.589 | −21.009 |
HNO_{3}(g) | ||||||
0 | −11.778 | −125.27 | ||||
298 | 53.35 | 266.38 | 0 | −135.06 | −74.72 | |
HNO_{3}(ai) | ||||||
298 | −86.6 | 146.4 | 0 | −207.36 | −111.25 | |
H_{2}O(g) | ||||||
0 | 0 | 0 | −9.904 | −238.921 | −238.921 | |
298 | 33.590 | 188.834 | 188.834 | 0 | −241.826 | −228.582 |
500 | 35.226 | 206.534 | 192.685 | 6.925 | −243.826 | −219.051 |
1000 | 41.268 | 232.738 | 206.738 | 26.000 | −247.857 | −192.590 |
2000 | 51.180 | 264.769 | 228.374 | 72.790 | −251.575 | −135.528 |
H_{2}O(l) | ||||||
298 | 75.351 | 69.950 | 69.950 | 0 | −285.830 | −237.141 |
500 | 83.694 | 109.898 | 78.579 | 15.659 | −279.095 | −206.002 |
H_{2}S(g) | ||||||
298 | 34.192 | 205.757 | 205.757 | 0 | −20.502 | −33.329 |
500 | 37.192 | 224.102 | 209.726 | 7.188 | −27.762 | −40.179 |
1000 | 45.786 | 252.579 | 224.599 | 27.980 | −90.024 | −20.984 |
H_{2}SO_{4}(l) | ||||||
298 | 83.761 | 298.796 | 298.796 | 0 | −735.129 | −653.366 |
H_{2}SO_{4}(ai) | ||||||
298 | −293 | 20.1 | 0 | −909.27 | −744.53 | |
He(g) | ||||||
0 | 0 | 0 | −6.197 | 0 | 0 | |
298 | 20.786 | 126.152 | 126.152 | 0 | 0 | 0 |
500 | 20.786 | 136.899 | 128.507 | 4.196 | 0 | 0 |
1000 | 20.786 | 151.306 | 136.718 | 14.589 | 0 | 0 |
2000 | 20.786 | 165.714 | 148.027 | 35.375 | 0 | 0 |
Hg(l) | ||||||
298 | 27.978 | 76.028 | 0 | 0 | 0 | 0 |
Hg(g) | ||||||
298 | 20.786 | 174.970 | 174.970 | 0 | 61.380 | 31.880 |
Hg^{2+}_{2}(ao) | ||||||
298 | 84.5 | 172.4 | 153.52 | |||
Hg^{2+}(ao) | ||||||
298 | −32.2 | 171.1 | 164.4 | |||
Hg_{2}Cl_{2}(cr) | ||||||
298 | 101.968 | 192.535 | 192.535 | 0 | −264.927 | −210.485 |
HgCl_{2}(cr) | ||||||
298 | 73.906 | 144.494 | 144.494 | 0 | −230.120 | -184.022 |
HgO(cr, red, orthorhombic) | ||||||
298 | 44.06 | 70.29 | −90.83 | −58.539 | ||
HgS(cr, red) | ||||||
298 | 48.41 | 82.4 | −58.2 | −50.6 | ||
HgS(cr,black) | ||||||
298 | 88.3 | −53.6 | −47.7 | |||
I_{2}(cr) | ||||||
298 | 54.436 | 116.142 | 116.142 | 0 | 0 | 0 |
I_{2}(g) | ||||||
298 | 36.887 | 260.685 | 260.685 | 0 | 62.421 | 19.325 |
I(g) | ||||||
0 | −6.197 | 107.240 | ||||
298 | 20.786 | 180.791 | 0 | 106.838 | 70.250 | |
I^{-}(ao) | ||||||
298 | −142.3 | 111.3 | −55.19 | −51.57 | ||
K^{+}(ao) | ||||||
298 | 21.8 | 102.5 | −252.38 | −283.27 | ||
KOH(cr) | ||||||
298 | 64.9 | 78.9 | 12.150 | −424.764 | −379.08 | |
Li^{+}(ao) | ||||||
298 | 68.6 | 13.4 | −278.49 | −293.31 | ||
Mg(cr) | ||||||
0 | −5.000 | |||||
298 | 24.89 | 32.68 | 0 | 0 | 0 | |
MgO(cr, macrocrystal) | ||||||
0 | −5.167 | −597.530 | ||||
298 | 37.15 | 26.74 | 0 | −601.70 | −569.43 | |
N_{2}(g) | ||||||
0 | 0 | 0 | −8.670 | 0 | 0 | |
298 | 29.124 | 191.609 | 191.609 | 0 | 0 | 0 |
500 | 29.580 | 206.739 | 194.917 | 5.911 | 0 | 0 |
1000 | 32.697 | 228.170 | 206.708 | 21.463 | 0 | 0 |
2000 | 35.971 | 252.074 | 224.006 | 56.137 | 0 | 0 |
NH_{3}(g) | ||||||
0 | 0 | 0 | −10.045 | −38.907 | −38.907 | |
298 | 35.652 | 192.774 | 192.774 | 0 | −45.898 | −16.367 |
500 | 42.048 | 212.659 | 197.021 | 7.819 | −49.857 | 4.800 |
1000 | 56.491 | 246.486 | 213.849 | 32.637 | −55.013 | 61.910 |
2000 | 72.833 | 291.525 | 242.244 | 98.561 | −54.833 | 179.447 |
NH_{3}(ao) | ||||||
298 | 111.3 | −80.29 | −26.50 | |||
NH_{4}^{+}(ao) | ||||||
298 | 79.9 | 113.4 | -132.51 | -79.31 | ||
NO(g) | ||||||
298 | 29.845 | 210.758 | 210.758 | 0 | 90.291 | 86.600 |
NO_{2}(g) | ||||||
298 | 36.874 | 240.034 | 240.034 | 0 | 33.095 | 51.258 |
N_{2}O_{4}(g) | ||||||
0 | 0 | 0 | −16.398 | 18.718 | 18.718 | |
298 | 77.256 | 305.376 | 304.376 | 0 | 9.079 | 97.787 |
500 | 97.204 | 349.446 | 313.907 | 17.769 | 8.769 | 158.109 |
1000 | 119.208 | 425.106 | 352.127 | 72.978 | 15.189 | 305.410 |
2000 | 129.03 | 511.743 | 412.484 | 198.518 | 33.110 | 588.764 |
N_{2}O(g) | ||||||
298 | 38.617 | 219.957 | 219.957 | 0 | 82.048 | 104.179 |
No_{3}^{-}(ao) | ||||||
298 | −86.6 | 146.4 | −205.0 | −108.74 | ||
N_{2}O_{5}(g) | ||||||
298 | 96.303 | 346.548 | 346.548 | 0 | 11.297 | 118.013 |
NOCl(g) | ||||||
0 | −11.364 | 53.60 | ||||
298 | 44.69 | 261.69 | 51.71 | 66.08 | ||
Na^{+}(ao) | ||||||
298 | 46.4 | 59.0 | −240.12 | −261.905 | ||
NaOH(cr) | ||||||
0 | 0 | 0 | −10.487 | −421.396 | −421.396 | |
298 | 59.530 | 64.445 | 64.445 | 0 | −425.931 | −379.741 |
500 | 75.157 | 98.172 | 71.595 | 13.288 | −427.401 | −347.767 |
Ne(g) | ||||||
0 | 0 | 0 | −6.197 | 0 | 0 | |
298 | 20.786 | 146.327 | 146.327 | 0 | 0 | 0 |
500 | 20.786 | 157.074 | 148.683 | 4.196 | 0 | 0 |
1000 | 20.786 | 171.482 | 156.893 | 14.589 | 0 | 0 |
2000 | 20.786 | 185.889 | 168.202 | 35.375 | 0 | 0 |
O(g) | ||||||
0 | 0 | 0 | −6.725 | 246.790 | 246.790 | |
298 | 21.911 | 161.058 | 161.058 | 0 | 249.173 | 231.736 |
500 | 21.257 | 172.197 | 163.511 | 4.343 | 250.474 | 219.549 |
1000 | 20.915 | 186.790 | 171.930 | 14.860 | 252.682 | 187.681 |
2000 | 20.826 | 201.247 | 183.391 | 35.713 | 255.299 | 121.552 |
O_{2}(g) | ||||||
0 | 0 | 0 | −8.683 | 0 | 0 | |
298 | 29.376 | 205.147 | 205.147 | 0 | 0 | 0 |
500 | 31.091 | 220.693 | 208.524 | 6.084 | 0 | 0 |
1000 | 34.870 | 243.578 | 220.875 | 22.703 | 0 | 0 |
2000 | 37.741 | 268.748 | 239.160 | 59.175 | 0 | 0 |
O_{3}(g) | ||||||
0 | 0 | 0 | −10.351 | 145.348 | 145.348 | |
298 | 39.238 | 238.932 | 238.932 | 0 | 142.674 | 163.184 |
500 | 47.262 | 261.272 | 243.688 | 8.792 | 142.340 | 177.224 |
1000 | 55.024 | 297.048 | 262.228 | 34.819 | 143.439 | 211.759 |
2000 | 58.250 | 336.469 | 290.533 | 91.873 | 145.784 | 279.089 |
OH^{-}(ao) | ||||||
298 | −148.5 | −10.75 | −229.994 | −157.244 | ||
P(cr, white) | ||||||
298 | 23.840 | 41.09 | 5.360 | 0 | 0 | |
P(cr, red, triclinic) | ||||||
298 | 21.21 | 22.80 | 3.607 | −17.6 | −12.1 | |
P(cr, black) | ||||||
298 | −39.3 | |||||
P(am, red) | ||||||
298 | −7.5 | |||||
PCl_{3}(g) | ||||||
0 | 0 | 0 | −15.932 | −285.497 | −285.497 | |
298 | 71.581 | 311.682 | 311.682 | 0 | −288.696 | −269.610 |
500 | 78.370 | 350.656 | 320.107 | 15.274 | −290.007 | −256.102 |
1000 | 81.867 | 406.435 | 350.828 | 55.607 | −290.528 | −221.943 |
2000 | 82.819 | 463.583 | 394.530 | 138.107 | −348.754 | −110.631 |
PCl_{5}(g) | ||||||
0 | 0 | 0 | −22.852 | −354.723 | −354.723 | |
298 | 111.890 | 364.288 | 364.288 | 0 | −360.184 | −290.271 |
500 | 124.332 | 425.745 | 377.544 | 24.100 | −359.722 | −242.799 |
1000 | 130.705 | 514.582 | 426.223 | 88.359 | −354.829 | −127.623 |
2000 | 132.439 | 605.912 | 495.804 | 220.215 | −401.646 | 137.886 |
Pb(cr) | ||||||
0 | −6.878 | |||||
298 | 26.44 | 64.81 | 0 | 0 | 0 | |
Pb^{2+}(ao) | ||||||
298 | 10.5 | −1.7 | −24.43 | |||
PbO_{2}(cr) | ||||||
298 | 64.64 | 68.6 | −277.4 | −217.33 | ||
PbS(cr) | ||||||
298 | 49.50 | 91.2 | −100.4 | −98.7 | ||
PbSO_{4}(cr) | ||||||
0 | −20.062 | |||||
298 | 103.207 | 148.57 | 0 | −919.94 | −813.14 | |
Pt(cr) | ||||||
0 | −5.740 | |||||
298 | 25.86 | 41.63 | 0 | 0 | 0 | |
S(cr, rhombic) | ||||||
0 | −4.410 | |||||
298 | 22.64 | 31.80 | 0 | 0 | 0 | |
S(cr, monoclinic) | ||||||
298 | 0.33 | 0.096 | ||||
S^{2-}(ao) | ||||||
298 | −14.6 | 33.1 | 85.8 | |||
SO_{2}(g) | ||||||
0 | 0 | 0 | −10.552 | −294.299 | −294.299 | |
298 | 39.878 | 248.212 | 248.212 | 0 | −296.842 | −300.125 |
500 | 46.576 | 270.495 | 252.979 | 8.758 | −302.736 | −300.871 |
1000 | 54.484 | 305.767 | 271.339 | 34.428 | −361.940 | −288.725 |
2000 | 58.229 | 345.007 | 299.383 | 91.250 | −360.981 | −215.929 |
SO_{3}(g) | ||||||
0 | 0 | 0 | −11.697 | −390.025 | −390.025 | |
298 | 50.661 | 256.769 | 256.769 | 0 | −395.765 | −371.016 |
500 | 63.100 | 286.152 | 262.992 | 11.580 | −401.878 | −352.668 |
1000 | 75.968 | 334.828 | 287.768 | 47.060 | −459.581 | −293.639 |
2000 | 81.140 | 389.616 | 326.421 | 126.390 | −454.351 | −129.768 |
SO_{4}^{2-}(ao) | ||||||
298 | −293 | 20.1 | −909.27 | −744.53 | ||
Sn^{2+}(ao) | ||||||
(μ(NaClO_{4}) = 3.0) | ||||||
298 | -17 | -8.8 | -27.2 | |||
Sn^{4+}(ao) | ||||||
(in HCl+H_{2}O) | ||||||
298 | −117 | 30.5 | 2.5 | |||
Zn(cr) | ||||||
0 | −5.669 | |||||
298 | 25.287 | 41.717 | 0 | 0 | 0 | |
Zn^{2+}(ao) | ||||||
298 | 46 | -112.1 | −153.89 | −147.06 | ||
ZnO(cr) | ||||||
298 | 40.25 | 43.64 | −348.28 | −318.30 | ||
sphalerite, ZnS(cr) | ||||||
298 | 46.0 | 57.7 | −205.98 | −201.29 | ||
wurtzite, ZnS(cr) | ||||||
298 | −192.63 | |||||
FA1:G433rom M.W. Chase, Jr., C. A. Davies, J. R. Downey, Jr., D. J. Frurip, R. A. McDonald, and A. N. Syverud, JANAF Thermochemical Tables, 3rd ed., J. Phys. Chem. Ref. Data, Vol. 14, 1985, Supplement No. 1, published by the American Chemical Society and the American Institute of Physics for the National Bureau of Standards; D. D.Wagman,W. H. Evans, V. B. Parker, R. H. Schymm, I. Halow, S. M. Bailer, K. L. Churney, and R. L Nuttall, The NBS Tables of Chemical Thermodynamic Properties—Selected Values for Inorganic and C_{1} and C_{2} Organic Substances in SI Units, J. Phys. Chem. Ref. Data., Vol. 11, 1982, Supplement No. 2, published by the American Chemical Society and the American Institute of Physics for the National Bureau of Standards. In the case of small discrepancies between Chase et al., andWagman et al., the values from Chase et al., have been taken. Values for organic substances with more than two carbons are from D. R. Stull, E. F.Westrum, and G. C. Sinke, The Chemical Thermodynamics of Organic Compounds, Wiley, New York, 1969, or from M. Kh. Karapet’yants and M. L. Karapet’yants, Thermodynamic Constants of Inorganic and Organic Compounds, Humphrey Science Publishers, Ann Arbor, MI, 1970. Abbreviations: cr=crystal; l=liquid; g=gas; ao=aqueous, molality standard state without (further) ionization; ai=aqueous, molality standard state with ionization; am=amorphous. |