Atkinson resistance: Difference between revisions

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<!-- To obtain a blank version of this page, type subst:chembox supplement inside of double curly braces, {{}}, and save the page -->
Greetings! I am Marvella and I feel comfortable when people use the full title. South Dakota is where I've always been living. Bookkeeping is what I do. The thing she adores most is body developing and now she is attempting to make cash with it.<br><br>Feel free to visit my page [http://www.gaysphere.net/blog/212030 www.gaysphere.net]
This page provides supplementary chemical data on [[pentane|''n''-pentane]]. <!-- 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. MSDS for pentane is available at [http://hazard.com/msds/mf/baker/baker/files/p0737.htm Mallinckrodt Baker].
 
== 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]],<ref>''Lange's Handbook of Chemistry'', 10th ed. pp. 1234–1237</ref> ''n''<sub>D</sub>
| 1.3575 at 20&nbsp;°C <!-- Please omit if not applicable -->
|-
| [[Abbe number]]
|? <!-- Please omit if not applicable -->
|-
| [[Dielectric constant]],<ref>''Lange's Handbook of Chemistry'', 10th ed. pp. 1289–1376</ref> ε<sub>r</sub>
| 1.844 ε<sub>0</sub> at 20 °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]]<ref>{{Cite web|url=http://symp15.nist.gov/pdf/p217.pdf|title=Viscosity and Surface Tension of Saturated n-Pentane|author=A.P. Fröba, L. Penedo Pellegrino, and A. Leipertz|accessdate=30 May 2007|publisher=National Institute of Standards and Technology (15th Symposium on Thermophysical Properties)|date=June 2003|format=PDF}}</ref>
| 18.16 dyn/cm at 0&nbsp;°C<br>17.03 dyn/cm at 10&nbsp;°C<br>15.82 dyn/cm at 20&nbsp;°C<br>14.73 dyn/cm at 30&nbsp;°C<br>13.66 dyn/cm at 40&nbsp;°C
|-
| [[Viscosity]]<ref>''Lange's Handbook of Chemistry'', 10th ed. pp. 1669–1674</ref>
| 0.2894 mPa·s at 0&nbsp;°C<br>0.2395 mPa·s at 20&nbsp;°C<br>0.2200 mPa·s at 30&nbsp;°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]]
| 143.46 K (–128.69 °C), 0.076 Pa
|-
| [[Critical point (chemistry)|Critical point]]
| 469.8 K (196.7 °C), 3360 kPa
|-
| [[Standard enthalpy change of fusion|Std enthalpy change<br/>of fusion]], Δ<sub>fus</sub>''H''<sup><s>o</s></sup>
| 8.4 kJ/mol
|-
| [[Standard entropy change of fusion|Std entropy change<br/>of fusion]], Δ<sub>fus</sub>''S''<sup><s>o</s></sup>
| 58.5 J/(mol·K)
|-
| [[Standard enthalpy change of vaporization|Std enthalpy change<br/>of vaporization]], Δ<sub>vap</sub>''H''<sup><s>o</s></sup>
| 26.200 kJ/mol at 25&nbsp;°C<br>25.79 kJ/mol at 36.1&nbsp;°C
|-
| [[Standard entropy change of vaporization|Std entropy change<br/>of vaporization]], Δ<sub>vap</sub>''S''<sup><s>o</s></sup>
| 87.88 J/(mol·K) at 25&nbsp;°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>
| –173.5 kJ/mol
|-
| [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>liquid</sub>
| 263.47 J/(mol K)
|-
| [[Enthalpy of combustion]], Δ<sub>c</sub>''H''<sup><s>o</s></sup><sub>liquid</sub>
| –3509 kJ/mol
|-
| [[Heat capacity]], ''c<sub>p</sub>''
| 167.19 J/(mol K) at 25&nbsp;°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>
| –146.8 kJ/mol
|-
| [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>gas</sub>
| 347.82 J/(mol K)
|-
| [[Enthalpy of combustion]], Δ<sub>c</sub>''H''<sup><s>o</s></sup><sub>gas</sub>
| –3535 kJ/mol
|-
| [[Heat capacity]], ''c<sub>p</sub>''
| 120.07 J/(mol K) at 25&nbsp;°C
|-
|}
 
==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''' || –76.6 || –50.1 || –29.2 || –12.6 || 18.5 || 36.1 || 58.0 || 92.4 || 124.7 || 164.3 || &nbsp; — || &nbsp; —
|}
Table data obtained from ''CRC Handbook of Chemistry and Physics'' 47th ed.{{Clear}}
 
[[Image:LogNPentaneVaporPressure.png|thumb|764px|left|'''log<sub>10</sub> of ''n''-Pentane vapor pressure.''' Uses formula: <math>\scriptstyle \log_e P_{mmHg} =</math><math>\scriptstyle \log_e (\frac {760} {101.325}) - 10.41840\log_e(T+273.15) - \frac {5778.024} {T+273.15} + 81.92460 + 1.178208 \times 10^{-5} (T+273.15)^2</math> obtained from CHERIC<ref name="cheric_p">{{Cite web|url=http://www.cheric.org/research/kdb/hcprop/cmpsrch.php|title=Pure Component Properties|format=Queriable database|publisher=Chemical Engineering Research Information Center|accessdate=30 May 2007}}</ref>]]{{Clear}}
 
== 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>&minus;1</sup>
|-
! {{chembox header}} | [[NMR Spectroscopy|NMR]]
|-
| [[Proton NMR]] <!-- Link to image of spectrum -->
| &nbsp;
|-
| [[Carbon-13 NMR]] <!-- Link to image of spectrum -->
| &nbsp;
|-
| Other NMR data <!-- Insert special data e.g. <sup>19</sup>F chem. shifts, omit if not used -->
| &nbsp;
|-
! {{chembox header}} | [[Mass Spectrometry|MS]]
|-
| Masses of <br>main fragments
| &nbsp; <!-- Give list of major fragments -->
|-
|}
 
==References==
<references/>
* {{Cite web|url=http://webbook.nist.gov/chemistry/|title=NIST Standard Reference Database}}
 
Except where noted otherwise, data relate to [[standard ambient temperature and pressure]].
 
[[wikipedia:Chemical infobox|Disclaimer]] applies.
{{Use dmy dates|date=September 2010}}
 
{{DEFAULTSORT:Pentane (Data Page)}}
[[Category:Chemical data pages]]

Latest revision as of 16:06, 18 March 2014

Greetings! I am Marvella and I feel comfortable when people use the full title. South Dakota is where I've always been living. Bookkeeping is what I do. The thing she adores most is body developing and now she is attempting to make cash with it.

Feel free to visit my page www.gaysphere.net

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