|
|
| (One intermediate revision by one other user not shown) |
| Line 1: |
Line 1: |
| {{Use dmy dates|date=July 2013}}
| | Hi there. My name is Sophia Meagher although it is not the name on my beginning certification. To perform domino is something I truly appreciate performing. My wife and I live in Mississippi and I love every working day living here. Office supervising is what she does for a residing.<br><br>Also visit my page :: [http://165.132.39.93/xe/visitors/372912 best psychic] |
| <!-- To obtain a blank version of this page, type subst:chembox supplement inside of double curly braces, {{}}, and save the page -->
| |
| | |
| This page provides supplementary chemical data on [[ethane]]. <!-- replace with proper wikilink -->
| |
| | |
| == Material Safety Data Sheet == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
| |
| | |
| The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet ([[Material safety data sheet|MSDS]]) for this chemical from a reliable source such as [http://www2.siri.org/msds/index.php SIRI], and follow its directions.
| |
| | |
| == Structure and properties == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
| |
| | |
| {| border="1" cellspacing="0" cellpadding="3" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-collapse: collapse; border-color: #C0C090;"
| |
| ! {{chembox header}} | Structure and properties
| |
| |-
| |
| | [[Index of refraction]], ''n''<sub>D</sub>
| |
| | ? <!-- Please omit if not applicable -->
| |
| |-
| |
| | [[Abbe number]]
| |
| |? <!-- Please omit if not applicable -->
| |
| |-
| |
| | [[Dielectric constant]], ε<sub>r</sub>
| |
| | ? ε<sub>0</sub> at ? °C <!-- Please omit if not applicable -->
| |
| |-
| |
| | [[Bond strength]]
| |
| | ? <!-- Specify which bond. Please omit if not applicable -->
| |
| |-
| |
| | [[Bond length]]
| |
| | ? <!-- Specify which bond. Please omit if not applicable -->
| |
| |-
| |
| | [[Bond angle]]
| |
| | ? <!-- Specify which angle, e.g. Cl-P-O. Please omit if not applicable -->
| |
| |-
| |
| | [[Magnetic susceptibility]]
| |
| | ? <!-- Please omit if not applicable -->
| |
| |-
| |
| | [[Surface tension]]
| |
| | 21.16 dyn/cm at –119.9°C
| |
| |-
| |
| |}
| |
| | |
| == Thermodynamic properties == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
| |
| | |
| {| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-collapse: collapse; border-color: #C0C090;"
| |
| ! {{chembox header}} | Phase behavior
| |
| |-
| |
| | [[Triple point]]
| |
| | 91 K (-182 °C), 1.1 Pa
| |
| |-
| |
| | [[Critical point (chemistry)|Critical point]]
| |
| | 305.3 K (32.2 °C), 4.9 MPa
| |
| |-
| |
| | [[Standard enthalpy change of fusion|Std enthalpy change<br/>of fusion]], Δ<sub>fus</sub>''H''<sup><s>o</s></sup>
| |
| | 9.76 kJ/mol at –182°C
| |
| |-
| |
| | [[Standard entropy change of fusion|Std entropy change<br/>of fusion]], Δ<sub>fus</sub>''S''<sup><s>o</s></sup>
| |
| | 6.46 J/(mol·K) at –182°C
| |
| |-
| |
| | [[Standard enthalpy change of vaporization|Std enthalpy change<br/>of vaporization]], Δ<sub>vap</sub>''H''<sup><s>o</s></sup><br>crystal I → liquid
| |
| | 14.703 kJ/mol at –89.0°C
| |
| |-
| |
| | [[Standard entropy change of vaporization|Std entropy change<br/>of vaporization]], Δ<sub>vap</sub>''S''<sup><s>o</s></sup><br>crystal I → liquid
| |
| | 79.87 J/(mol·K) at –89.0°C
| |
| |-
| |
| | [[Standard enthalpy change of state transition|Std enthalpy change<br>of state transition]], Δ<sub>trs</sub>''H''<sup><s>o</s></sup><br>crystal II → crystal I
| |
| | 2.282 kJ/mol at –183.3°C
| |
| |-
| |
| | [[Standard entropy change of state transition|Std entropy change<br>of state transition]], Δ<sub>trs</sub>''S''<sup><s>o</s></sup><br>crystal II → crystal I
| |
| | 25.48 kJ/mol at –183.3°C
| |
| |-
| |
| ! {{chembox header}} | Solid properties
| |
| |-
| |
| | [[Standard enthalpy change of formation|Std enthalpy change<br/>of formation]], Δ<sub>f</sub>''H''<sup><s>o</s></sup><sub>solid</sub>
| |
| | ? kJ/mol
| |
| |-
| |
| | [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>solid</sub>
| |
| | ? J/(mol K)
| |
| |-
| |
| | [[Heat capacity]], ''c<sub>p</sub>''
| |
| | ? J/(mol K)
| |
| |-
| |
| ! {{chembox header}} | Liquid properties
| |
| |-
| |
| | [[Standard enthalpy change of formation|Std enthalpy change<br/>of formation]], Δ<sub>f</sub>''H''<sup><s>o</s></sup><sub>liquid</sub>
| |
| | ? kJ/mol
| |
| |-
| |
| | [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>liquid</sub>
| |
| | 126.7 J/(mol K)
| |
| |-
| |
| | [[Heat capacity]], ''c<sub>p</sub>''
| |
| | 68.5 J/(mol K) at –179°C
| |
| |-
| |
| ! {{chembox header}} | Gas properties
| |
| |-
| |
| | [[Standard enthalpy change of formation|Std enthalpy change<br/>of formation]], Δ<sub>f</sub>''H''<sup><s>o</s></sup><sub>gas</sub>
| |
| | –83.8 kJ/mol
| |
| |-
| |
| | [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>gas</sub>
| |
| | 229.6 J/(mol K)
| |
| |-
| |
| | [[Enthalpy of combustion]], Δ<sub>c</sub>''H''<sup><s>o</s></sup>
| |
| | –1560.7 kJ/mol
| |
| |-
| |
| | [[Heat capacity]], ''c<sub>p</sub>''
| |
| | 52.49 J/(mol K) at 25°C
| |
| |-
| |
| | [[van der Waals equation|van der Waals' constants]]<ref name="lange1522">''Lange's Handbook of Chemistry'' 10th ed, pp 1522-1524</ref>
| |
| | a = 556.2 L<sup>2</sup> kPa/mol<sup>2</sup><br> b = 0.06380 liter per mole
| |
| |-
| |
| |}
| |
| | |
| ==Vapor pressure of liquid==
| |
| {| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
| |
| |-
| |
| | {{chembox header}} | '''P in mm Hg''' || 1 || 10 || 40 || 100 || 400 || 760 || 1520 || 3800 || 7600 || 15200 || 30400 || 45600
| |
| |-
| |
| | {{chembox header}} | '''T in °C''' || –159.5 || –142.9 || –129.8 || –119.3 || –99.6 || –88.6 || –75.0 || –52.8 || –32.0 || –6.4 || 23.6 || —
| |
| |}
| |
| Table data obtained from ''CRC Handbook of Chemistry and Physics'' 44th ed.
| |
| | |
| [[Image:LogEthaneVaporPressure.png|thumb|627px|left|'''log<sub>10</sub> of Ethane vapor pressure.''' Uses formula <math>\scriptstyle \log_e P_{mmHg} = </math><math> \scriptstyle \log_e (\frac {760} {101.325}) - 5.381564 \log_e(T+273.15) - \frac {2626.728} {T+273.15} + 1.601858 \times 10^{-05}(T+273.15)^2</math> obtained from CHERIC<ref>{{Cite web|url=http://www.cheric.org/research/kdb/hcprop/cmpsrch.php|title=Pure Component Properties|publisher=Chemical Engineering Research Information Center|format=Queriable database|accessdate=8 May 2007}}</ref>]]{{Clear}}
| |
| | |
| == Melting point data== <!-- KEEP this header, it is linked to from the infobox on the main article page -->
| |
| Mean value for acceptable data: '''-183.01 °C''' (90.14 K)
| |
| | |
| Sources used, from [http://precedings.nature.com/documents/6229/version/1 ONS Open Melting Point Collection]:<ref name=Bradley2011>{{Cite web|url= http://precedings.nature.com/documents/6229/version/1|title= ONS Open Melting Point Collection|year= 2011|doi = 10.1038/npre.2011.6229.1}}</ref>
| |
| * -183.33 °C<ref name=Burnett1970>{{cite journal|author = Burnett, Lowell J.|coauthors = Muller, Burton H.|year = 1970|title = Melting points of ethane and three of its deuterated modifications|journal = J. Chem. Eng. Data|volume = 15 |issue = 1|pages = 154–157|doi = 10.1021/je60044a013}}</ref>
| |
| * -182.85 °C from CHERIC<ref name=CHERIC>{{Cite web|url=http://www.cheric.org/kdb/kdb/hcprop/showprop.php?cmpid=2|title=CHERIC|publisher=Chemical Engineering Research Information Center|format=Queriable database|accessdate=25 August 2011}}</ref>
| |
| * -182.78 °C<ref name=Givens1977>{{cite journal|author = Givens, F. L. |coauthors = McCormick, W. D. |year = 1977|title = Proton magnetic resonance line shape measurements in solid ethane |journal = J. Chem. Phys.|volume = 67|pages = 1150–6|doi = 10.1063/1.434967}}</ref>
| |
| * -182.79 °C from PHYSPROP<ref name=PHYSPROP>{{Cite web|url=http://www.srcinc.com/what-we-do/product.aspx?id=133|title=PHYSPROP|publisher=SRC, Inc. (Syracuse Research Corporation)|format=Queriable database|accessdate=25 August 2011}}</ref>
| |
| * -183.28 °C <ref name=Witt1937>{{cite journal|author = Witt, R. K.|coauthors = Kemp, J. D.|year = 1937|title = The Heat Capacity of Ethane from 15°K. to the Boiling Point. The Heat of Fusion and the Heat of Vaporization|journal = |volume = 59|issue = 2|pages = 273–276|doi = 10.1021/ja01281a013}}</ref>
| |
| | |
| Values considered "outliers", not included in averaging:
| |
| * -172 °C from Oxford MSDS<ref name=OxfordMSDS>{{Cite web|url=http://msds.chem.ox.ac.uk/ET/ethane.html|title=Safety data for ethane|publisher=Oxford University|format=Queriable database|accessdate=25 August 2011}}</ref>
| |
| * -172.15 °C<ref name=Streng1971>{{cite journal|author = Streng, A. G.|year = 1971|title = Miscibility and compatibility of some liquefied and solidified gases at low temperatures|journal = J. Chem. Eng. Data|volume = 16|issue = 3|pages = 357–359|doi = 10.1021/je60050a024}}</ref>
| |
| | |
| == Spectral data == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
| |
| | |
| {| border="1" cellspacing="0" cellpadding="3" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-collapse: collapse; border-color: #C0C090;"
| |
| ! {{chembox header}} | [[UV/VIS spectroscopy|UV-Vis]]
| |
| |-
| |
| | [[Lambda-max|λ<sub>max</sub>]]
| |
| | ? [[Nanometre|nm]]
| |
| |-
| |
| | [[molar absorptivity|Extinction coefficient]], ε
| |
| | ?
| |
| |-
| |
| ! {{chembox header}} | [[Infrared|IR]]
| |
| |-
| |
| | Major absorption bands
| |
| | ? cm<sup>−1</sup>
| |
| |-
| |
| ! {{chembox header}} | [[NMR Spectroscopy|NMR]]
| |
| |-
| |
| | [[Proton NMR]] <!-- Link to image of spectrum -->
| |
| |
| |
| |-
| |
| | [[Carbon-13 NMR]] <!-- Link to image of spectrum -->
| |
| |
| |
| |-
| |
| | Other NMR data <!-- Insert special data e.g. <sup>19</sup>F chem. shifts, omit if not used -->
| |
| |
| |
| |-
| |
| ! {{chembox header}} | [[Mass Spectrometry|MS]]
| |
| |-
| |
| | Masses of <br>main fragments
| |
| | <!-- Give list of major fragments -->
| |
| |-
| |
| |}
| |
| | |
| ==References==
| |
| <references/>
| |
| <!-- [http://webbook.nist.gov/chemistry/ NIST Standard Reference Database] -->
| |
| | |
| Except where noted otherwise, data relate to [[standard ambient temperature and pressure]].
| |
| | |
| [[wikipedia:Chemical infobox|Disclaimer]] applies.
| |
| | |
| {{DEFAULTSORT:Ethane (Data Page)}}
| |
| [[Category:Chemical data pages]]
| |