Difference between revisions of "Data:Thermochemical properties of alkanes"

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! Formula
 
! Formula
 
! [[Molar mass|''M'']]<br/>{{overline|g mol<sup>−1</sup>}}
 
! [[Molar mass|''M'']]<br/>{{overline|g mol<sup>−1</sup>}}
−
! [[Enthalpy change of formation|Δ<sub>f</sub>''H''{{su|p=<s>o</s>|b=298}}]]<br/>{{overline|kJ mol<sup>−1</sup>}}
+
! [[Enthalpy change of formation|Δ<sub>f</sub>''H''<sup><s>o</s></sup>]]<br/>{{overline|kJ mol<sup>−1</sup>}}
−
! [[Gibbs energy change of formation|Δ<sub>f</sub>''G''{{su|p=<s>o</s>|b=298}}]]<br/>{{overline|kJ mol<sup>−1</sup>}}
+
! [[Gibbs energy change of formation|Δ<sub>f</sub>''G''<sup><s>o</s></sup>]]<br/>{{overline|kJ mol<sup>−1</sup>}}
−
! [[Standard entropy|''S''{{su|p=<s>o</s>|b=298}}]]<br/>{{overline|J K<sup>−1</sup> mol<sup>−1</sup>}}
+
! [[Standard entropy|''S''<sup><s>o</s></sup>]]<br/>{{overline|J K<sup>−1</sup> mol<sup>−1</sup>}}
−
! [[Enthalpy change of combustion|Δ<sub>c</sub>''H''{{su|p=<s>o</s>|b=298}}]]<br/>{{overline|kJ mol<sup>−1</sup>}}
+
! [[Enthalpy change of combustion|Δ<sub>c</sub>''H''<sup><s>o</s></sup>]]<br/>{{overline|kJ mol<sup>−1</sup>}}
 
! [[Melting point|''T''<sub>m</sub>]]/K
 
! [[Melting point|''T''<sub>m</sub>]]/K
−
! [[Enthalpy change of fusion|Δ<sub>fus</sub>''H''{{su|p=<s>o</s>}}]]<br/>{{overline|kJ mol<sup>−1</sup>}}
+
! [[Enthalpy change of fusion|Δ<sub>fus</sub>''H'']]<br/>{{overline|kJ mol<sup>−1</sup>}}
 
! [[Boiling point|''T''<sub>b</sub>]]/K
 
! [[Boiling point|''T''<sub>b</sub>]]/K
−
! [[Enthalpy change of vaporization|Δ<sub>vap</sub>''H''{{su|p=<s>o</s>}}]]<br/>{{overline|kJ mol<sup>−1</sup>}}
+
! [[Enthalpy change of vaporization|Δ<sub>vap</sub>''H'']]<br/>{{overline|kJ mol<sup>−1</sup>}}
−
! [[Heat capacity|''C<sub>p</sub>'']]<br/>{{overline|J K<sup>−1</sup> mol<sup>−1</sup>}}
+
! [[Heat capacity|''C''{{su|p=<s>o</s>|b=''p''}}]]<br/>{{overline|J K<sup>−1</sup> mol<sup>−1</sup>}}
−
! [[Heat capacity|''C<sub>v</sub>'']]<br/>{{overline|J K<sup>−1</sup> mol<sup>−1</sup>}}
+
! [[Heat capacity|''C''{{su|p=<s>o</s>|b=''v''}}]]<br/>{{overline|J K<sup>−1</sup> mol<sup>−1</sup>}}
 
! Notes<br/>Refs.
 
! Notes<br/>Refs.
 
|-
 
|-
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| [[Pentane]] || l || C<sub>5</sub>H<sub>12</sub> || 72.149 || −173.3 || −9.5 || 263.1 || −3509.2 || 143.4 || 8.408 || 309.2 || 25.79 || 167.9 || || <ref>{{NIST chemistry | name = Pentane | id = 1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3 | accessdate = 2011-04-02}}.</ref>
 
| [[Pentane]] || l || C<sub>5</sub>H<sub>12</sub> || 72.149 || −173.3 || −9.5 || 263.1 || −3509.2 || 143.4 || 8.408 || 309.2 || 25.79 || 167.9 || || <ref>{{NIST chemistry | name = Pentane | id = 1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3 | accessdate = 2011-04-02}}.</ref>
 
|-
 
|-
−
| [[Isopentane]] || l || C<sub>5</sub>H<sub>12</sub> || 72.149 || −178.8 || || 260.7 || −3503.8 || 113.4 || 5.14 || 301.1 || 24.69 || 164.7 || || <ref>{{NIST chemistry | name = Butane, 2-methyl- | id = 1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3 | accessdate = 2011-04-02}}.</ref>
+
| [[Isopentane]] || l || C<sub>5</sub>H<sub>12</sub> || 72.149 || −178.8 || −14.3 || 260.7 || −3503.8 || 113.4 || 5.14 || 301.1 || 24.69 || 164.7 || || <ref>{{NIST chemistry | name = Butane, 2-methyl- | id = 1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3 | accessdate = 2011-04-02}}.</ref>
 
|-
 
|-
 
| [[Neopentane]] || g || C<sub>5</sub>H<sub>12</sub> || 72.149 || −168.1 || || || −3514.1 || 256.7 || 3.26 || 282.6 || 22.75 || || || <ref>{{NIST chemistry | name = Propane, 2,2-dimethyl- | id = 1S/C5H12/c1-5(2,3)4/h1-4H3 | accessdate = 2011-04-02}}.</ref>
 
| [[Neopentane]] || g || C<sub>5</sub>H<sub>12</sub> || 72.149 || −168.1 || || || −3514.1 || 256.7 || 3.26 || 282.6 || 22.75 || || || <ref>{{NIST chemistry | name = Propane, 2,2-dimethyl- | id = 1S/C5H12/c1-5(2,3)4/h1-4H3 | accessdate = 2011-04-02}}.</ref>
 
|-
 
|-
−
| [[Hexane]] || l || C<sub>6</sub>H<sub>14</sub> || 86.175 || −198.7 || || 196.06 || −4163 || 177.9 || 13.06 || 341.9 || 28.85 || 196.0 || || <ref>{{NIST chemistry | name = Hexane | id = 1S/C6H14/c1-3-5-6-4-2/h3-6H2,1-2H3 | accessdate = 2011-04-02}}.</ref>
+
| [[Hexane]] || l || C<sub>6</sub>H<sub>14</sub> || 86.175 || −198.7 || +25.7 || 196.06 || −4163 || 177.9 || 13.06 || 341.9 || 28.85 || 196.0 || || <ref>{{NIST chemistry | name = Hexane | id = 1S/C6H14/c1-3-5-6-4-2/h3-6H2,1-2H3 | accessdate = 2011-04-02}}.</ref>
 
|-
 
|-
−
| [[Isohexane]] || l || C<sub>6</sub>H<sub>14</sub> || 86.175 || −204.3 || || 290.58 || || 120 || 6.27 || 334 || 27.79 || 193.9 || || <ref>{{NIST chemistry | name = Pentane, 2-methyl- | id = 1S/C6H14/c1-4-5-6(2)3/h6H,4-5H2,1-3H3 | accessdate = 2011-04-02}}.</ref>
+
| [[Isohexane]] || l || C<sub>6</sub>H<sub>14</sub> || 86.175 || −204.3 || −8.0 || 290.58 || || 120 || 6.27 || 334 || 27.79 || 193.9 || || <ref>{{NIST chemistry | name = Pentane, 2-methyl- | id = 1S/C6H14/c1-4-5-6(2)3/h6H,4-5H2,1-3H3 | accessdate = 2011-04-02}}.</ref>
 +
|-
 +
| [[Heptane]] || l || C<sub>7</sub>H<sub>16</sub> || 100.20 || −224.8 || +0.8 || 328.5 || || 182.6 || 14.06 || 371.5 || 31.77 || 224.7 || || <ref>{{NIST chemistry | name = Heptane | id = 1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3 | accessdate = 2011-04-02}}.</ref>
 +
|-
 +
| [[Isoheptane]] || l || C<sub>7</sub>H<sub>16</sub> || 100.20 || −230.4 || −3.2 || 323.3 || −4810.7 || 154.7 || 9.18 || 363.2 || 30.62 || 222.9 || || <ref>{{NIST chemistry | name = Hexane, 2-methyl- | id = 1S/C7H16/c1-4-5-6-7(2)3/h7H,4-6H2,1-3H3 | accessdate = 2011-04-02}}.</ref>
 +
|-
 +
| [[Octane]] || l || C<sub>8</sub>H<sub>18</sub> || 114.23 || −250.1 || +6.4 || 361.2 || −5430 || 216.3 || 20.74 || 398.7 || 34.41 || 254.48 || || <ref>{{NIST chemistry | name = Octane | id = 1S/C8H18/c1-3-5-7-8-6-4-2/h3-8H2,1-2H3 | accessdate = 2011-04-02}}.</ref>
 +
|-
 +
| [[2-Methylheptane]] || l || C<sub>8</sub>H<sub>18</sub> || 114.23 || −255.2 || +2.8 || 356.4 || −5465.5 || 163 || 11.92 || 390.7 || 33.26 || 251.8 || || <ref>{{NIST chemistry | name = Heptane, 2-methyl- | id = 1S/C8H18/c1-4-5-6-7-8(2)3/h8H,4-7H2,1-3H3 | accessdate = 2011-04-02}}.</ref>
 +
|-
 +
| [[2,2,4-Trimethylpentane]] || l || C<sub>8</sub>H<sub>18</sub> || 114.23 || −259.3 || +7.1 || 328.0 || −5461.3 || 165.77 || 9.21 || 372.4 || 30.79 || 239.4 || || <ref>{{NIST chemistry | name = Pentane, 2,2,4-trimethyl- | id = 1S/C8H18/c1-7(2)6-8(3,4)5/h7H,6H2,1-5H3 | accessdate = 2011-04-02}}.</ref>
 +
|-
 +
| [[Nonane]] || l || C<sub>9</sub>H<sub>20</sub> || 128.26 || −274.7 || +12.8 || 393.7 || −6125.2 || 219.5 || 15.47 || 423.8 || 36.91 || 284.2 || || <ref>{{NIST chemistry | name = Nonane | id = 1S/C9H20/c1-3-5-7-9-8-6-4-2/h3-9H2,1-2H3 | accessdate = 2011-04-02}}.</ref>
 +
|-
 +
| [[Decane]] || l || C<sub>10</sub>H<sub>22</sub> || 142.28 || −301.0 || +17.6 || 425.9 || −6778.4 || 243.3 || 28.71 || 447.2 || 38.75 || 313.9 || || <ref>{{NIST chemistry | name = Decane | id = 1S/C10H22/c1-3-5-7-9-10-8-6-4-2/h3-10H2,1-2H3 | accessdate = 2011-04-02}}.</ref>
 +
|-
 +
| [[Dodecane]] || l || C<sub>12</sub>H<sub>26</sub> || 170.33 || −351 || +29.5 || 491 || −8086 || 263.5 || 36.83 || 489 || || 375.2 || || <ref>{{NIST chemistry | name = n-Dodecane | id = 1S/C12H26/c1-3-5-7-9-11-12-10-8-6-4-2/h3-12H2,1-2H3 | accessdate = 2011-04-02}}.</ref>
 +
|-
 +
| [[Tetradecane]] || l || C<sub>14</sub>H<sub>30</sub> || 198.39 || −403.3 || +39.3 || 555.4 || || 278.7 || 45.07 || 523 || || 435.7 || || <ref>{{NIST chemistry | name = Tetradecane | id = 1S/C14H30/c1-3-5-7-9-11-13-14-12-10-8-6-4-2/h3-14H2,1-2H3 | accessdate = 2011-04-02}}.</ref>
 
|-
 
|-
 
|}  
 
|}  

Latest revision as of 14:21, 3 April 2011

Name and state Formula M
g mol−1 		ΔfHo
kJ mol−1 		ΔfGo
kJ mol−1 		So
J K−1 mol−1 		ΔcHo
kJ mol−1 		Tm/K ΔfusH
kJ mol−1 		Tb/K ΔvapH
kJ mol−1 		Cop
J K−1 mol−1 		Cov
J K−1 mol−1 		Notes
Refs.
Methane g CH4 16.043 −74.87 −50.75 186.26 −890.4 90.6 0.9392 111 8.17 35 27 [1][2]
Ethane g C2H6 30.069 −84 −1560.3 89.9 2.857 184.6 14.7 53 44 [3][4]
Propane g C3H8 44.096 −104.2 −2219.5 85.5 3.52 231.1 19.4 75 66 [5][6]
Butane g C4H10 58.122 −126.3 −2877.9 136 4.66 273 22.44 96 88 [7][8]
Isobutane g C4H10 58.122 −135.9 −2868.3 113.6 4.54 261.5 21.30 95 86 [9][10]
Pentane l C5H12 72.149 −173.3 −9.5 263.1 −3509.2 143.4 8.408 309.2 25.79 167.9 [11]
Isopentane l C5H12 72.149 −178.8 −14.3 260.7 −3503.8 113.4 5.14 301.1 24.69 164.7 [12]
Neopentane g C5H12 72.149 −168.1 −3514.1 256.7 3.26 282.6 22.75 [13]
Hexane l C6H14 86.175 −198.7 +25.7 196.06 −4163 177.9 13.06 341.9 28.85 196.0 [14]
Isohexane l C6H14 86.175 −204.3 −8.0 290.58 120 6.27 334 27.79 193.9 [15]
Heptane l C7H16 100.20 −224.8 +0.8 328.5 182.6 14.06 371.5 31.77 224.7 [16]
Isoheptane l C7H16 100.20 −230.4 −3.2 323.3 −4810.7 154.7 9.18 363.2 30.62 222.9 [17]
Octane l C8H18 114.23 −250.1 +6.4 361.2 −5430 216.3 20.74 398.7 34.41 254.48 [18]
2-Methylheptane l C8H18 114.23 −255.2 +2.8 356.4 −5465.5 163 11.92 390.7 33.26 251.8 [19]
2,2,4-Trimethylpentane l C8H18 114.23 −259.3 +7.1 328.0 −5461.3 165.77 9.21 372.4 30.79 239.4 [20]
Nonane l C9H20 128.26 −274.7 +12.8 393.7 −6125.2 219.5 15.47 423.8 36.91 284.2 [21]
Decane l C10H22 142.28 −301.0 +17.6 425.9 −6778.4 243.3 28.71 447.2 38.75 313.9 [22]
Dodecane l C12H26 170.33 −351 +29.5 491 −8086 263.5 36.83 489 375.2 [23]
Tetradecane l C14H30 198.39 −403.3 +39.3 555.4 278.7 45.07 523 435.7 [24]

References

  1. ↑ Methane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/CH4/h1H4>. (accessed 2 April 2011).
  2. ↑ Methane. In Gas Encyclopedia; Air Liquide, <http://encyclopedia.airliquide.com/encyclopedia.asp?GasID=41>. (accessed 2 April 2011).
  3. ↑ Ethane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C2H6/c1-2/h1-2H3>. (accessed 2 April 2011).
  4. ↑ Ethane. In Gas Encyclopedia; Air Liquide, <http://encyclopedia.airliquide.com/encyclopedia.asp?GasID=28>. (accessed 2 April 2011).
  5. ↑ Propane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C3H8/c1-3-2/h3H2,1-2H3>. (accessed 2 April 2011).
  6. ↑ Propane. In Gas Encyclopedia; Air Liquide, <http://encyclopedia.airliquide.com/encyclopedia.asp?GasID=53>. (accessed 2 April 2011).
  7. ↑ Butane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C4H10/c1-3-4-2/h3-4H2,1-2H3>. (accessed 2 April 2011).
  8. ↑ Butane. In Gas Encyclopedia; Air Liquide, <http://encyclopedia.airliquide.com/encyclopedia.asp?GasID=8>. (accessed 2 April 2011).
  9. ↑ Isobutane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C4H10/c1-4(2)3/h4H,1-3H3>. (accessed 2 April 2011).
  10. ↑ Isobutane. In Gas Encyclopedia; Air Liquide, <http://encyclopedia.airliquide.com/encyclopedia.asp?GasID=38>. (accessed 2 April 2011).
  11. ↑ Pentane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3>. (accessed 2 April 2011).
  12. ↑ Butane, 2-methyl-. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3>. (accessed 2 April 2011).
  13. ↑ Propane, 2,2-dimethyl-. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C5H12/c1-5(2,3)4/h1-4H3>. (accessed 2 April 2011).
  14. ↑ Hexane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C6H14/c1-3-5-6-4-2/h3-6H2,1-2H3>. (accessed 2 April 2011).
  15. ↑ Pentane, 2-methyl-. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C6H14/c1-4-5-6(2)3/h6H,4-5H2,1-3H3>. (accessed 2 April 2011).
  16. ↑ Heptane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3>. (accessed 2 April 2011).
  17. ↑ Hexane, 2-methyl-. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C7H16/c1-4-5-6-7(2)3/h7H,4-6H2,1-3H3>. (accessed 2 April 2011).
  18. ↑ Octane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C8H18/c1-3-5-7-8-6-4-2/h3-8H2,1-2H3>. (accessed 2 April 2011).
  19. ↑ Heptane, 2-methyl-. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C8H18/c1-4-5-6-7-8(2)3/h8H,4-7H2,1-3H3>. (accessed 2 April 2011).
  20. ↑ Pentane, 2,2,4-trimethyl-. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C8H18/c1-7(2)6-8(3,4)5/h7H,6H2,1-5H3>. (accessed 2 April 2011).
  21. ↑ Nonane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C9H20/c1-3-5-7-9-8-6-4-2/h3-9H2,1-2H3>. (accessed 2 April 2011).
  22. ↑ Decane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C10H22/c1-3-5-7-9-10-8-6-4-2/h3-10H2,1-2H3>. (accessed 2 April 2011).
  23. ↑ n-Dodecane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C12H26/c1-3-5-7-9-11-12-10-8-6-4-2/h3-12H2,1-2H3>. (accessed 2 April 2011).
  24. ↑ Tetradecane. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/C14H30/c1-3-5-7-9-11-13-14-12-10-8-6-4-2/h3-14H2,1-2H3>. (accessed 2 April 2011).
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