Thermodynamic Values for Select Compounds
at 298.15 K.
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| Species | ∆fH° (kJ/mol) | S° (J K−1 mol−1) | ∆fG° (kJ/mol) | 
|---|---|---|---|
| 
 Aluminum 
  | 
|||
| 
 Al(s) 
  | 
 0 
  | 
 28.275 
  | 
 0 
  | 
| 
 Al3+(aq) 
  | 
 −531 
  | 
 −321.7 
  | 
 −485 
  | 
| 
 AlCl3(s) 
  | 
 −704.2 
  | 
 110.67 
  | 
 −628.8 
  | 
| 
 Al2O3(s, corundum) 
  | 
 −1675.7 
  | 
 50.92 
  | 
 −1582.3 
  | 
| 
 Argon 
  | 
|||
| 
 Ar(g) 
  | 
 0 
  | 
 154.843 
  | 
 0 
  | 
| 
 Ar(aq) 
  | 
 −12.1 
  | 
 59.4 
  | 
 16.4 
  | 
| 
 Barium 
  | 
|||
| 
 BaCl2(s) 
  | 
 −858.6 
  | 
 123.68 
  | 
 −810.4 
  | 
| 
 BaO(s) 
  | 
 −553.5 
  | 
 70.42 
  | 
 −525.1 
  | 
| 
 BaSO4(s) 
  | 
 −1473.2 
  | 
 132.2 
  | 
 −1362.2 
  | 
| 
 BaCO3(s) 
  | 
 −1216.3 
  | 
 112.1 
  | 
 85.35 
  | 
| 
 Beryllium 
  | 
|||
| 
 Be(s) 
  | 
 0 
  | 
 9.5 
  | 
 0 
  | 
| 
 Be(OH)2(s) 
  | 
 −902.5 
  | 
 51.9 
  | 
 −815 
  | 
| 
 Bromine 
  | 
|||
| 
 Br(g) 
  | 
 111.884 
  | 
 175.022 
  | 
 82.396 
  | 
| 
 Br2(ℓ) 
  | 
 0 
  | 
 152.231 
  | 
 0 
  | 
| 
 Br2(g) 
  | 
 30.907 
  | 
 245.463 
  | 
 3.110 
  | 
| 
 Br2(aq) 
  | 
 −2.59 
  | 
 130.5 
  | 
 3.93 
  | 
| 
 Br−(aq) 
  | 
 −121.55 
  | 
 82.4 
  | 
 −103.96 
  | 
| 
 BrCl(g) 
  | 
 14.64 
  | 
 240.10 
  | 
 −0.98 
  | 
| 
 BrF3(g) 
  | 
 −255.6 
  | 
 292.53 
  | 
 −229.43 
  | 
| 
 HBr(g) 
  | 
 −36.40 
  | 
 198.695 
  | 
 −53.45 
  | 
| 
 Calcium 
  | 
|||
| 
 Ca(s) 
  | 
 0 
  | 
 41.42 
  | 
 0 
  | 
| 
 Ca(g) 
  | 
 178.2 
  | 
 158.884 
  | 
 144.3 
  | 
| 
 Ca2+(g) 
  | 
 1925.9 
  | 
 — 
  | 
 — 
  | 
| 
 Ca2+(aq) 
  | 
 −542.83 
  | 
 −53.1 
  | 
 −553.58 
  | 
| 
 CaC2(s) 
  | 
 −59.8 
  | 
 69.96 
  | 
 −64.9 
  | 
| 
 CaCO3(s, calcite) 
  | 
 −1206.92 
  | 
 92.9 
  | 
 −1128.79 
  | 
| 
 CaCl2(s) 
  | 
 −795.8 
  | 
 104.6 
  | 
 −748.1 
  | 
| 
 CaF2(s) 
  | 
 −1219.6 
  | 
 68.87 
  | 
 −1167.3 
  | 
| 
 CaH2(s) 
  | 
 −186.2 
  | 
 42 
  | 
 −147.2 
  | 
| 
 CaO(s) 
  | 
 −635.09 
  | 
 39.75 
  | 
 −604.03 
  | 
| 
 CaS(s) 
  | 
 −482.4 
  | 
 56.5 
  | 
 −477.4 
  | 
| 
 Ca(OH)2(s) 
  | 
 −986.09 
  | 
 83.39 
  | 
 −898.49 
  | 
| 
 Ca(OH)2(aq) 
  | 
 −1002.82 
  | 
 −74.5 
  | 
 −868.07 
  | 
| 
 CaSO4(s) 
  | 
 −1434.11 
  | 
 106.7 
  | 
 −1321.79 
  | 
| 
 Carbon 
  | 
|||
| 
 C(s, graphite) 
  | 
 0 
  | 
 5.74 
  | 
 0 
  | 
| 
 C(s, diamond) 
  | 
 1.895 
  | 
 2.377 
  | 
 2.9 
  | 
| 
 C(g) 
  | 
 716.682 
  | 
 158.096 
  | 
 671.257 
  | 
| 
 CCl4(ℓ) 
  | 
 −135.44 
  | 
 216.4 
  | 
 −65.21 
  | 
| 
 CCl4(g) 
  | 
 −102.9 
  | 
 309.85 
  | 
 −60.59 
  | 
| 
 CHCl3(ℓ) 
  | 
 −134.47 
  | 
 201.7 
  | 
 −73.66 
  | 
| 
 CHCl3(g) 
  | 
 −103.14 
  | 
 295.71 
  | 
 −70.34 
  | 
| 
 CH4(g, methane) 
  | 
 −74.81 
  | 
 186.264 
  | 
 −50.72 
  | 
| 
 C2H2(g, ethyne) 
  | 
 226.73 
  | 
 200.94 
  | 
 209.2 
  | 
| 
 C2H4(g, ethene) 
  | 
 52.26 
  | 
 219.56 
  | 
 68.15 
  | 
| 
 C2H6(g, ethane) 
  | 
 −84.68 
  | 
 229.6 
  | 
 −32.82 
  | 
| 
 C3H8(g, propane) 
  | 
 −103.8 
  | 
 269.9 
  | 
 −23.49 
  | 
| 
 C4H10(g, butane) 
  | 
 −126.148 
  | 
 310.227 
  | 
 −16.985 
  | 
| 
 C6H6(ℓ, benzene) 
  | 
 49.03 
  | 
 172.8 
  | 
 124.5 
  | 
| 
 C6H14(ℓ, hexane) 
  | 
 −198.782 
  | 
 296.018 
  | 
 −4.035 
  | 
| 
 C8H18(g, octane) 
  | 
 −208.447 
  | 
 466.835 
  | 
 16.718 
  | 
| 
 C8H18(ℓ, octane) 
  | 
 −249.952 
  | 
 361.205 
  | 
 6.707 
  | 
| 
 CH3OH(ℓ, methanol) 
  | 
 −238.66 
  | 
 126.8 
  | 
 −166.27 
  | 
| 
 CH3OH(g, methanol) 
  | 
 −200.66 
  | 
 239.81 
  | 
 −161.96 
  | 
| 
 CH3OH(aq, methanol) 
  | 
 −245.931 
  | 
 133.1 
  | 
 −175.31 
  | 
| 
 C2H5OH(ℓ, ethanol) 
  | 
 −277.69 
  | 
 160.7 
  | 
 −174.78 
  | 
| 
 C2H5OH(g, ethanol) 
  | 
 −235.1 
  | 
 282.7 
  | 
 −168.49 
  | 
| 
 C2H5OH(aq, ethanol) 
  | 
 −288.3 
  | 
 148.5 
  | 
 −181.64 
  | 
| 
 C6H12O6(s, glucose) 
  | 
 −1274.4 
  | 
 235.9 
  | 
 −917.2 
  | 
| 
 CH3COO−(aq) 
  | 
 −486.01 
  | 
 86.6 
  | 
 −369.31 
  | 
| 
 CH3COOH(aq) 
  | 
 −485.76 
  | 
 178.7 
  | 
 −396.46 
  | 
| 
 CH3COOH(ℓ) 
  | 
 −484.5 
  | 
 159.8 
  | 
 −389.9 
  | 
| 
 CO(g) 
  | 
 −110.525 
  | 
 197.674 
  | 
 −137.168 
  | 
| 
 CO2(g) 
  | 
 −393.509 
  | 
 213.74 
  | 
 −394.359 
  | 
| 
 H2CO3(aq) 
  | 
 −699.65 
  | 
 187.4 
  | 
 −623.08 
  | 
| 
 HCO3−(aq) 
  | 
 −691.99 
  | 
 91.2 
  | 
 −586.77 
  | 
| 
 CO32−(aq) 
  | 
 −677.14 
  | 
 −56.9 
  | 
 −527.81 
  | 
| 
 HCOO−(aq) 
  | 
 −425.55 
  | 
 92.0 
  | 
 −351.0 
  | 
| 
 HCOOH(aq) 
  | 
 −425.43 
  | 
 163 
  | 
 −372.3 
  | 
| 
 HCOOH(ℓ) 
  | 
 −424.72 
  | 
 128.95 
  | 
 −361.35 
  | 
| 
 CS2(g) 
  | 
 117.36 
  | 
 237.84 
  | 
 67.12 
  | 
| 
 CS2(ℓ) 
  | 
 89.70 
  | 
 151.34 
  | 
 65.27 
  | 
| 
 COCl2(g) 
  | 
 −218.8 
  | 
 283.53 
  | 
 −204.6 
  | 
| 
 Cesium 
  | 
|||
| 
 Cs(s) 
  | 
 0 
  | 
 85.23 
  | 
 0 
  | 
| 
 Cs+(g) 
  | 
 457.964 
  | 
 — 
  | 
 — 
  | 
| 
 CsCl(s) 
  | 
 −443.04 
  | 
 101.17 
  | 
 −414.53 
  | 
| 
 Chlorine 
  | 
|||
| 
 Cl(g) 
  | 
 121.679 
  | 
 165.198 
  | 
 105.68 
  | 
| 
 Cl−(g) 
  | 
 −233.13 
  | 
 — 
  | 
 — 
  | 
| 
 Cl−(aq) 
  | 
 −167.159 
  | 
 56.5 
  | 
 −131.228 
  | 
| 
 Cl2(g) 
  | 
 0 
  | 
 223.066 
  | 
 0 
  | 
| 
 Cl2(aq) 
  | 
 −23.4 
  | 
 121 
  | 
 6.94 
  | 
| 
 HCl(g) 
  | 
 −92.307 
  | 
 186.908 
  | 
 −95.299 
  | 
| 
 HCl(aq) 
  | 
 −167.159 
  | 
 56.5 
  | 
 −131.228 
  | 
| 
 ClO2(g) 
  | 
 102.5 
  | 
 256.84 
  | 
 120.5 
  | 
| 
 Cl2O(g) 
  | 
 80.3 
  | 
 266.21 
  | 
 97.9 
  | 
| 
 ClO−(aq) 
  | 
 −107.1 
  | 
 42.0 
  | 
 −36.8 
  | 
| 
 HClO(aq) 
  | 
 −120.9 
  | 
 142 
  | 
 −79.9 
  | 
| 
 ClF3(g) 
  | 
 −163.2 
  | 
 281.61 
  | 
 −123.0 
  | 
| 
 Chromium 
  | 
|||
| 
 Cr(s) 
  | 
 0 
  | 
 23.77 
  | 
 0 
  | 
| 
 Cr2O3(s) 
  | 
 −1139.7 
  | 
 81.2 
  | 
 −1058.1 
  | 
| 
 CrCl3(s) 
  | 
 −556.5 
  | 
 123 
  | 
 −486.1 
  | 
| 
 Copper 
  | 
|||
| 
 Cu(s) 
  | 
 0 
  | 
 33.15 
  | 
 0 
  | 
| 
 CuO(s) 
  | 
 −157.3 
  | 
 42.63 
  | 
 −129.7 
  | 
| 
 CuCl2(s) 
  | 
 −220.1 
  | 
 108.07 
  | 
 −175.7 
  | 
| 
 CuSO4(s) 
  | 
 −771.36 
  | 
 109 
  | 
 −661.8 
  | 
| 
 Fluorine 
  | 
|||
| 
 F2(g) 
  | 
 0 
  | 
 202.78 
  | 
 0 
  | 
| 
 F(g) 
  | 
 78.99 
  | 
 158.754 
  | 
 61.91 
  | 
| 
 F−(g) 
  | 
 −255.39 
  | 
 — 
  | 
 — 
  | 
| 
 F−(aq) 
  | 
 −332.63 
  | 
 −13.8 
  | 
 −278.79 
  | 
| 
 HF(g) 
  | 
 −271.1 
  | 
 173.779 
  | 
 −273.2 
  | 
| 
 HF(aq, un-ionized) 
  | 
 −320.08 
  | 
 88.7 
  | 
 −296.82 
  | 
| 
 HF(aq, ionized) 
  | 
 −332.63 
  | 
 −13.8 
  | 
 −278.79 
  | 
| 
 Hydrogen† 
  | 
|||
| 
 H2(g) 
  | 
 0 
  | 
 130.684 
  | 
 0 
  | 
| 
 H2(aq) 
  | 
 −4.2 
  | 
 57.7 
  | 
 17.6 
  | 
| 
 HD(g) 
  | 
 0.318 
  | 
 143.801 
  | 
 −1.464 
  | 
| 
 D2(g) 
  | 
 0 
  | 
 144.960 
  | 
 0 
  | 
| 
 H(g) 
  | 
 217.965 
  | 
 114.713 
  | 
 203.247 
  | 
| 
 H+(g) 
  | 
 1536.202 
  | 
 — 
  | 
 — 
  | 
| 
 H+(aq) 
  | 
 0 
  | 
 0 
  | 
 0 
  | 
| 
 OH−(aq) 
  | 
 −229.994 
  | 
 −10.75 
  | 
 −157.244 
  | 
| 
 H2O(ℓ) 
  | 
 −285.83 
  | 
 69.91 
  | 
 −237.129 
  | 
| 
 H2O(g) 
  | 
 −241.818 
  | 
 188.825 
  | 
 −228.572 
  | 
| 
 H2O2(ℓ) 
  | 
 −187.78 
  | 
 109.6 
  | 
 −120.35 
  | 
| 
 H2O2(aq) 
  | 
 −191.17 
  | 
 143.9 
  | 
 −134.03 
  | 
| 
 HO2−(aq) 
  | 
 −160.33 
  | 
 23.8 
  | 
 −67.3 
  | 
| 
 HDO(ℓ) 
  | 
 −289.888 
  | 
 79.29 
  | 
 −241.857 
  | 
| 
 D2O(ℓ) 
  | 
 −294.600 
  | 
 75.94 
  | 
 −243.439 
  | 
| 
 Iodine 
  | 
|||
| 
 I2(s) 
  | 
 0 
  | 
 116.135 
  | 
 0 
  | 
| 
 I2(g) 
  | 
 62.438 
  | 
 260.69 
  | 
 19.327 
  | 
| 
 I2(aq) 
  | 
 22.6 
  | 
 137.2 
  | 
 16.40 
  | 
| 
 I(g) 
  | 
 106.838 
  | 
 180.791 
  | 
 70.25 
  | 
| 
 I−(g) 
  | 
 −197 
  | 
 — 
  | 
 — 
  | 
| 
 I−(aq) 
  | 
 −55.19 
  | 
 111.3 
  | 
 −51.57 
  | 
| 
 I3−(aq) 
  | 
 −51.5 
  | 
 239.3 
  | 
 −51.4 
  | 
| 
 HI(g) 
  | 
 26.48 
  | 
 206.594 
  | 
 1.70 
  | 
| 
 HI(aq, ionized) 
  | 
 −55.19 
  | 
 111.3 
  | 
 −51.57 
  | 
| 
 IF(g) 
  | 
 −95.65 
  | 
 236.17 
  | 
 −118.51 
  | 
| 
 ICl(g) 
  | 
 17.78 
  | 
 247.551 
  | 
 −5.46 
  | 
| 
 ICl(ℓ) 
  | 
 −23.89 
  | 
 135.1 
  | 
 −13.58 
  | 
| 
 IBr(g) 
  | 
 40.84 
  | 
 258.773 
  | 
 3.69 
  | 
| 
 ICl3(s) 
  | 
 −89.5 
  | 
 167.4 
  | 
 −22.29 
  | 
| 
 Iron 
  | 
|||
| 
 Fe(s) 
  | 
 0 
  | 
 27.78 
  | 
 0 
  | 
| 
 FeO(s, wustite) 
  | 
 −266.27 
  | 
 57.49 
  | 
 −245.12 
  | 
| 
 Fe2O3(s, hematite) 
  | 
 −824.2 
  | 
 87.4 
  | 
 −742.2 
  | 
| 
 Fe3O4(s, magnetite) 
  | 
 −1118.4 
  | 
 146.4 
  | 
 −1015.4 
  | 
| 
 FeCl2(s) 
  | 
 −341.79 
  | 
 117.95 
  | 
 −302.3 
  | 
| 
 FeCl3(s) 
  | 
 −399.49 
  | 
 142.3 
  | 
 −344 
  | 
| 
 FeS2(s, pyrite) 
  | 
 −178.2 
  | 
 52.93 
  | 
 −166.9 
  | 
| 
 Fe(CO)5(ℓ) 
  | 
 −774 
  | 
 338.1 
  | 
 −705.3 
  | 
| 
 Lead 
  | 
|||
| 
 Pb(s) 
  | 
 0 
  | 
 64.81 
  | 
 0 
  | 
| 
 PbCl2(s) 
  | 
 −359.41 
  | 
 136 
  | 
 −314.1 
  | 
| 
 PbO(s, yellow) 
  | 
 −217.32 
  | 
 68.7 
  | 
 −187.89 
  | 
| 
 PbS(s) 
  | 
 −100.4 
  | 
 91.2 
  | 
 −98.7 
  | 
| 
 PbSO4(s) 
  | 
 −919.94 
  | 
 148.57 
  | 
 −813.14 
  | 
| 
 PbCl4(ℓ) 
  | 
 −329.3 
  | 
 — 
  | 
 — 
  | 
| 
 PbO2(s) 
  | 
 −277.4 
  | 
 68.6 
  | 
 −217.33 
  | 
| 
 Lithium 
  | 
|||
| 
 Li(s) 
  | 
 0 
  | 
 29.12 
  | 
 0 
  | 
| 
 Li+(g) 
  | 
 685.783 
  | 
 — 
  | 
 — 
  | 
| 
 LiOH(s) 
  | 
 −484.93 
  | 
 42.8 
  | 
 −438.95 
  | 
| 
 LiOH(aq) 
  | 
 −508.48 
  | 
 2.8 
  | 
 −450.58 
  | 
| 
 LiCl(s) 
  | 
 −408.701 
  | 
 59.33 
  | 
 −384.37 
  | 
| 
 Magnesium 
  | 
|||
| 
 Mg(s) 
  | 
 0 
  | 
 32.68 
  | 
 0 
  | 
| 
 Mg2+(aq) 
  | 
 −466.85 
  | 
 −138.1 
  | 
 −454.8 
  | 
| 
 MgCl2(g) 
  | 
 −400.4 
  | 
 — 
  | 
 — 
  | 
| 
 MgCl2(s) 
  | 
 −641.32 
  | 
 89.62 
  | 
 −591.79 
  | 
| 
 MgCl2(aq) 
  | 
 −801.15 
  | 
 −25.1 
  | 
 −717.1 
  | 
| 
 MgO(s) 
  | 
 −601.70 
  | 
 26.94 
  | 
 −569.43 
  | 
| 
 Mg(OH)2(s) 
  | 
 −924.54 
  | 
 63.18 
  | 
 −833.51 
  | 
| 
 MgS(s) 
  | 
 −346 
  | 
 50.33 
  | 
 −341.8 
  | 
| 
 MgSO4(s) 
  | 
 −1284.9 
  | 
 91.6 
  | 
 −1170.6 
  | 
| 
 MgCO3(s) 
  | 
 −1095.8 
  | 
 65.7 
  | 
 −1012.1 
  | 
| 
 Mercury 
  | 
|||
| 
 Hg(ℓ) 
  | 
 0 
  | 
 76.02 
  | 
 0 
  | 
| 
 HgCl2(s) 
  | 
 −224.3 
  | 
 146 
  | 
 −178.6 
  | 
| 
 HgO(s, red) 
  | 
 −90.83 
  | 
 70.29 
  | 
 −58.539 
  | 
| 
 HgS(s, red) 
  | 
 −58.2 
  | 
 82.4 
  | 
 −50.6 
  | 
| 
 Nickel 
  | 
|||
| 
 Ni(s) 
  | 
 0 
  | 
 29.87 
  | 
 0 
  | 
| 
 NiO(s) 
  | 
 −239.7 
  | 
 37.99 
  | 
 −211.7 
  | 
| 
 NiCl2(s) 
  | 
 −305.332 
  | 
 97.65 
  | 
 −259.032 
  | 
| 
 Nitrogen 
  | 
|||
| 
 N2(g) 
  | 
 0 
  | 
 191.61 
  | 
 0 
  | 
| 
 N2(aq) 
  | 
 −10.8 
  | 
 — 
  | 
 — 
  | 
| 
 N(g) 
  | 
 472.704 
  | 
 153.298 
  | 
 455.563 
  | 
| 
 NH3(g) 
  | 
 −46.11 
  | 
 192.45 
  | 
 −16.45 
  | 
| 
 NH3(aq) 
  | 
 −80.29 
  | 
 111.3 
  | 
 −26.50 
  | 
| 
 NH4+(aq) 
  | 
 −132.51 
  | 
 113.4 
  | 
 −79.31 
  | 
| 
 N2H4(ℓ) 
  | 
 50.63 
  | 
 121.21 
  | 
 149.34 
  | 
| 
 NH4Cl(s) 
  | 
 −314.43 
  | 
 94.6 
  | 
 −202.87 
  | 
| 
 NH4Cl(aq) 
  | 
 −299.66 
  | 
 169.9 
  | 
 −210.52 
  | 
| 
 NH4NO3(s) 
  | 
 −365.56 
  | 
 151.08 
  | 
 −183.87 
  | 
| 
 NH4NO3(aq) 
  | 
 −339.87 
  | 
 259.8 
  | 
 −190.56 
  | 
| 
 NO(g) 
  | 
 90.25 
  | 
 210.761 
  | 
 86.55 
  | 
| 
 NO2(g) 
  | 
 33.18 
  | 
 240.06 
  | 
 51.31 
  | 
| 
 N2O(g) 
  | 
 82.05 
  | 
 219.85 
  | 
 104.20 
  | 
| 
 N2O4(g) 
  | 
 9.16 
  | 
 304.29 
  | 
 97.89 
  | 
| 
 N2O4(ℓ) 
  | 
 −19.50 
  | 
 209.2 
  | 
 97.54 
  | 
| 
 NOCl(g) 
  | 
 51.71 
  | 
 261.69 
  | 
 66.08 
  | 
| 
 HNO3(ℓ) 
  | 
 −174.10 
  | 
 155.60 
  | 
 −80.71 
  | 
| 
 HNO3(g) 
  | 
 −135.06 
  | 
 266.38 
  | 
 −74.72 
  | 
| 
 HNO3(aq) 
  | 
 −207.36 
  | 
 146.4 
  | 
 −111.25 
  | 
| 
 NO3−(aq) 
  | 
 −205.0 
  | 
 146.4 
  | 
 −108.74 
  | 
| 
 NF3(g) 
  | 
 −124.7 
  | 
 260.73 
  | 
 −83.2 
  | 
| 
 Oxygen† 
  | 
|||
| 
 O2(g) 
  | 
 0 
  | 
 205.138 
  | 
 0 
  | 
| 
 O2(aq) 
  | 
 −11.7 
  | 
 110.9 
  | 
 16.4 
  | 
| 
 O(g) 
  | 
 249.170 
  | 
 161.055 
  | 
 231.731 
  | 
| 
 O3(g) 
  | 
 142.7 
  | 
 238.93 
  | 
 163.2 
  | 
| 
 OH−(aq) 
  | 
 −229.994 
  | 
 −10.75 
  | 
 −157.244 
  | 
| 
 Phosphorus 
  | 
|||
| 
 P4(s, white) 
  | 
 0 
  | 
 164.36 
  | 
 0 
  | 
| 
 P4(s, red) 
  | 
 −70.4 
  | 
 91.2 
  | 
 −48.4 
  | 
| 
 P(g) 
  | 
 314.64 
  | 
 163.193 
  | 
 278.25 
  | 
| 
 PH3(g) 
  | 
 5.4 
  | 
 310.23 
  | 
 13.4 
  | 
| 
 PCl3(g) 
  | 
 −287.0 
  | 
 311.78 
  | 
 −267.8 
  | 
| 
 PCl3(ℓ) 
  | 
 −319.7 
  | 
 217.1 
  | 
 −272.3 
  | 
| 
 PCl5(s) 
  | 
 −443.5 
  | 
 — 
  | 
 — 
  | 
| 
 P4O10(s) 
  | 
 −2984.0 
  | 
 228.86 
  | 
 −2697.7 
  | 
| 
 H3PO4(s) 
  | 
 −1279 
  | 
 110.5 
  | 
 −1119.1 
  | 
| 
 Potassium 
  | 
|||
| 
 K(s) 
  | 
 0 
  | 
 64.18 
  | 
 0 
  | 
| 
 KF(s) 
  | 
 −567.27 
  | 
 66.57 
  | 
 −537.75 
  | 
| 
 KCl(s) 
  | 
 −436.747 
  | 
 82.59 
  | 
 −409.14 
  | 
| 
 KCl(aq) 
  | 
 −419.53 
  | 
 159.0 
  | 
 −414.49 
  | 
| 
 KBr(s) 
  | 
 −393.798 
  | 
 95.90 
  | 
 −380.66 
  | 
| 
 KI(s) 
  | 
 −327.900 
  | 
 106.32 
  | 
 −324.892 
  | 
| 
 KClO3(s) 
  | 
 −397.73 
  | 
 143.1 
  | 
 −296.25 
  | 
| 
 KOH(s) 
  | 
 −424.764 
  | 
 78.9 
  | 
 −379.08 
  | 
| 
 KOH(aq) 
  | 
 −482.37 
  | 
 91.6 
  | 
 −440.5 
  | 
| 
 Silicon 
  | 
|||
| 
 Si(s) 
  | 
 0 
  | 
 18.83 
  | 
 0 
  | 
| 
 SiBr4(ℓ) 
  | 
 −457.3 
  | 
 277.8 
  | 
 −443.8 
  | 
| 
 SiC(s) 
  | 
 −65.3 
  | 
 16.61 
  | 
 −62.8 
  | 
| 
 SiCl4(g) 
  | 
 −657.01 
  | 
 330.73 
  | 
 −616.98 
  | 
| 
 SiH4(g) 
  | 
 34.3 
  | 
 204.62 
  | 
 56.9 
  | 
| 
 SiF4(g) 
  | 
 −1614.94 
  | 
 282.49 
  | 
 −1572.65 
  | 
| 
 SiO2(s, quartz) 
  | 
 −910.94 
  | 
 41.84 
  | 
 −856.64 
  | 
| 
 Silver 
  | 
|||
| 
 Ag(s) 
  | 
 0 
  | 
 42.55 
  | 
 0 
  | 
| 
 Ag+(aq) 
  | 
 105.579 
  | 
 72.68 
  | 
 77.107 
  | 
| 
 Ag2O(s) 
  | 
 −31.05 
  | 
 121.3 
  | 
 −11.2 
  | 
| 
 AgCl(s) 
  | 
 −127.068 
  | 
 96.2 
  | 
 −109.789 
  | 
| 
 AgI(s) 
  | 
 −61.84 
  | 
 115.5 
  | 
 −66.19 
  | 
| 
 AgN3(s) 
  | 
 620.60 
  | 
 99.22 
  | 
 591.0 
  | 
| 
 AgNO3(s) 
  | 
 −124.39 
  | 
 140.92 
  | 
 −33.41 
  | 
| 
 AgNO3(aq) 
  | 
 −101.8 
  | 
 219.2 
  | 
 −34.16 
  | 
| 
 Sodium 
  | 
|||
| 
 Na(s) 
  | 
 0 
  | 
 51.21 
  | 
 0 
  | 
| 
 Na(g) 
  | 
 107.32 
  | 
 153.712 
  | 
 76.761 
  | 
| 
 Na+(g) 
  | 
 609.358 
  | 
 — 
  | 
 — 
  | 
| 
 Na+(aq) 
  | 
 −240.12 
  | 
 59.0 
  | 
 −261.905 
  | 
| 
 NaF(s) 
  | 
 −573.647 
  | 
 51.46 
  | 
 −543.494 
  | 
| 
 NaF(aq) 
  | 
 −572.75 
  | 
 45.2 
  | 
 −540.68 
  | 
| 
 NaCl(s) 
  | 
 −411.153 
  | 
 72.13 
  | 
 −384.138 
  | 
| 
 NaCl(g) 
  | 
 −176.65 
  | 
 229.81 
  | 
 −196.66 
  | 
| 
 NaCl(aq) 
  | 
 −407.27 
  | 
 115.5 
  | 
 −393.133 
  | 
| 
 NaBr(s) 
  | 
 −361.062 
  | 
 86.82 
  | 
 −348.983 
  | 
| 
 NaBr(aq) 
  | 
 −361.665 
  | 
 141.4 
  | 
 −365.849 
  | 
| 
 NaI(s) 
  | 
 −287.78 
  | 
 98.53 
  | 
 −286.06 
  | 
| 
 NaI(aq) 
  | 
 −295.31 
  | 
 170.3 
  | 
 −313.47 
  | 
| 
 NaOH(s) 
  | 
 −425.609 
  | 
 64.455 
  | 
 −379.484 
  | 
| 
 NaOH(aq) 
  | 
 −470.114 
  | 
 48.1 
  | 
 −419.15 
  | 
| 
 NaClO3(s) 
  | 
 −365.774 
  | 
 123.4 
  | 
 −262.259 
  | 
| 
 NaHCO3(s) 
  | 
 −950.81 
  | 
 101.7 
  | 
 −851.0 
  | 
| 
 Na2CO3(s) 
  | 
 −1130.68 
  | 
 134.98 
  | 
 −1044.44 
  | 
| 
 Na2SO4(s) 
  | 
 −1387.08 
  | 
 149.58 
  | 
 −1270.16 
  | 
| 
 Sulfur 
  | 
|||
| 
 S8(s, monoclinic) 
  | 
 0.33 
  | 
 — 
  | 
 — 
  | 
| 
 S8(s, rhombic) 
  | 
 0 
  | 
 31.80 
  | 
 0 
  | 
| 
 S(g) 
  | 
 278.805 
  | 
 167.821 
  | 
 238.250 
  | 
| 
 S2−(aq) 
  | 
 33.1 
  | 
 −14.6 
  | 
 85.8 
  | 
| 
 S2Cl2(g) 
  | 
 −18.4 
  | 
 331.5 
  | 
 −31.8 
  | 
| 
 SF6(g) 
  | 
 −1209 
  | 
 291.82 
  | 
 −1105.3 
  | 
| 
 SF4(g) 
  | 
 −774.9 
  | 
 292.03 
  | 
 −731.3 
  | 
| 
 H2S(g) 
  | 
 −20.63 
  | 
 205.79 
  | 
 −33.56 
  | 
| 
 H2S(aq) 
  | 
 −39.7 
  | 
 121 
  | 
 −27.83 
  | 
| 
 HS−(aq) 
  | 
 −17.6 
  | 
 62.8 
  | 
 12.08 
  | 
| 
 SO2(g) 
  | 
 −296.830 
  | 
 248.22 
  | 
 −300.194 
  | 
| 
 SO3(g) 
  | 
 −395.72 
  | 
 256.76 
  | 
 −371.06 
  | 
| 
 SOCl2(g) 
  | 
 −212.5 
  | 
 309.77 
  | 
 −198.3 
  | 
| 
 SO42−(aq) 
  | 
 −909.27 
  | 
 20.1 
  | 
 −744.53 
  | 
| 
 H2SO4(ℓ) 
  | 
 −813.989 
  | 
 156.904 
  | 
 −690.003 
  | 
| 
 H2SO4(aq) 
  | 
 −909.27 
  | 
 20.1 
  | 
 −744.53 
  | 
| 
 HSO4−(aq) 
  | 
 −887.34 
  | 
 131.8 
  | 
 −755.91 
  | 
| 
 Tin 
  | 
|||
| 
 Sn(s, white) 
  | 
 0 
  | 
 51.55 
  | 
 0 
  | 
| 
 Sn(s, gray) 
  | 
 −2.09 
  | 
 44.14 
  | 
 0.13 
  | 
| 
 SnCl2(s) 
  | 
 −325.1 
  | 
 — 
  | 
 — 
  | 
| 
 SnCl4(ℓ) 
  | 
 −511.3 
  | 
 258.6 
  | 
 −440.1 
  | 
| 
 SnCl4(g) 
  | 
 −471.5 
  | 
 365.8 
  | 
 −432.2 
  | 
| 
 SnO2(s) 
  | 
 −580.7 
  | 
 52.3 
  | 
 −519.6 
  | 
| 
 Titanium 
  | 
|||
| 
 Ti(s) 
  | 
 0 
  | 
 30.63 
  | 
 0 
  | 
| 
 TiCl4(ℓ) 
  | 
 −804.2 
  | 
 252.34 
  | 
 −737.2 
  | 
| 
 TiCl4(g) 
  | 
 −763.2 
  | 
 354.9 
  | 
 −726.7 
  | 
| 
 TiO2(s) 
  | 
 −939.7 
  | 
 49.92 
  | 
 −884.5 
  | 
| 
 Uranium 
  | 
|||
| 
 U(s) 
  | 
 0 
  | 
 50.21 
  | 
 0 
  | 
| 
 UO2(s) 
  | 
 −1084.9 
  | 
 77.03 
  | 
 −1031.7 
  | 
| 
 UO3(s) 
  | 
 −1223.8 
  | 
 96.11 
  | 
 −1145.9 
  | 
| 
 UF4(s) 
  | 
 −1914.2 
  | 
 151.67 
  | 
 −1823.3 
  | 
| 
 UF6(g) 
  | 
 −2147.4 
  | 
 377.9 
  | 
 −2063.7 
  | 
| 
 UF6(s) 
  | 
 −2197.0 
  | 
 227.6 
  | 
 −2068.5 
  | 
| 
 Zinc 
  | 
|||
| 
 Zn(s) 
  | 
 0 
  | 
 41.63 
  | 
 0 
  | 
| 
 ZnCl2(s) 
  | 
 −415.05 
  | 
 111.46 
  | 
 −369.398 
  | 
| 
 ZnO(s) 
  | 
 −348.28 
  | 
 43.64 
  | 
 −318.3 
  | 
| 
 ZnS(s, sphalerite) 
  | 
 −205.98 
  | 
 57.7 
  | 
 −201.29 
  | 
| From Wagman, D. D., Evans, W. H., Parker, V. B., Schumm, R. H., Halow, I., Bailey, S. M., Churney, K. L., and Nuttall, R., Journal of Physical and Chemical Reference Data, Vol. 11, Suppl. 2, 1982. †Many hydrogen-containing and oxygen-containing compounds are listed only under other elements.  | 
|||
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