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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 -->
| | Wilber Berryhill is the title his mothers and fathers gave him and he totally digs that name. My wife and I reside in Kentucky. Since I was 18 I've been operating as a bookkeeper but soon my spouse and I will begin our own business. I am really fond of to go to karaoke but I've been taking on new issues recently.<br><br>my web page - [http://help.Ksu.edu.sa/node/65129 clairvoyance] |
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| This page provides supplementary chemical data on [[isobutane]]. <!-- replace with proper wikilink -->
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| == Material Safety Data Sheet == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
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| 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.
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| == Structure and properties == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
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| {| border="1" cellspacing="0" cellpadding="3" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-collapse: collapse; border-color: #C0C090;"
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| ! {{chembox header}} | Structure and properties
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| |-
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| | [[Index of refraction]], ''n''<sub>D</sub>
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| | ? <!-- Please omit if not applicable -->
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| |-
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| | [[Abbe number]]
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| |? <!-- Please omit if not applicable -->
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| |-
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| | [[Dielectric constant]], ε<sub>r</sub>
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| | ? ε<sub>0</sub> at ? °C <!-- Please omit if not applicable -->
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| |-
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| | [[Bond strength]]
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| | ? <!-- Specify which bond. Please omit if not applicable -->
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| | [[Bond length]]
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| | ? <!-- Specify which bond. Please omit if not applicable -->
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| | [[Bond angle]]
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| | ? <!-- Specify which angle, e.g. Cl-P-O. Please omit if not applicable -->
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| | [[Magnetic susceptibility]]
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| | ? <!-- Please omit if not applicable -->
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| | [[Surface tension]]
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| | 10.3 dyn/cm at 20°C<br> ''P' 300 kPa
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| |-
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| |}
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| == Thermodynamic properties == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
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| {| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-collapse: collapse; border-color: #C0C090;"
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| ! {{chembox header}} | Phase behavior
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| | [[Triple point]]
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| | 113.55K (–159.6 °C), 0.019481 Pa
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| | [[Critical point (chemistry)|Critical point]]
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| | 407.7 K (134.6 °C), 3650 kPa
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| | [[Standard enthalpy change of fusion|Std enthalpy change<br/>of fusion]], Δ<sub>fus</sub>''H''<sup><s>o</s></sup>
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| | 4.54 kJ/mol
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| |-
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| | [[Standard entropy change of fusion|Std entropy change<br/>of fusion]], Δ<sub>fus</sub>''S''<sup><s>o</s></sup>
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| | 39.92 J/(mol·K)
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| | [[Standard enthalpy change of vaporization|Std enthalpy change<br/>of vaporization]], Δ<sub>vap</sub>''H''<sup><s>o</s></sup>
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| | 21.3 kJ/mol
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| |-
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| | [[Standard entropy change of vaporization|Std entropy change<br/>of vaporization]], Δ<sub>vap</sub>''S''<sup><s>o</s></sup>
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| | 81.46 J/(mol·K)
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| ! {{chembox header}} | Solid properties
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| | [[Standard enthalpy change of formation|Std enthalpy change<br/>of formation]], Δ<sub>f</sub>''H''<sup><s>o</s></sup><sub>solid</sub>
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| | ? kJ/mol
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| | [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>solid</sub>
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| | ? J/(mol K)
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| | [[Heat capacity]], ''c<sub>p</sub>''
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| | ? J/(mol K)
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| ! {{chembox header}} | Liquid properties
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| | [[Standard enthalpy change of formation|Std enthalpy change<br/>of formation]], Δ<sub>f</sub>''H''<sup><s>o</s></sup><sub>liquid</sub>
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| | ? kJ/mol
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| | [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>liquid</sub>
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| | 200.79 J/(mol K)
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| | [[Heat capacity]], ''c<sub>p</sub>''
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| | 129.70 J/(mol K) –253°C to –13°C
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| ! {{chembox header}} | Gas properties
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| | [[Standard enthalpy change of formation|Std enthalpy change<br/>of formation]], Δ<sub>f</sub>''H''<sup><s>o</s></sup><sub>gas</sub>
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| | –134.2 kJ/mol
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| | [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>gas</sub>
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| | 249.7 J/(mol K)
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| | [[Enthalpy of combustion]], Δ<sub>c</sub>''H''<sup><s>o</s></sup>
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| | –2869 kJ/mol
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| | [[Heat capacity]], ''c<sub>p</sub>''
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| | 95.21 J/(mol K) at 20°C
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| | [[van der Waals equation|van der Waals' constants]]<ref name="lange1522">''Lange's Handbook of Chemistry'' 10th ed, pp 1522-1524</ref>
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| | a = 1304.1 L<sup>2</sup> kPa/mol<sup>2</sup><br> b = 0.1142 liter per mole
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| |}
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| ==Vapor pressure of liquid==
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| {| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
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| | {{chembox header}} | '''P in mm Hg''' || 1 || 10 || 40 || 100 || 400 || 760 || 1520 || 3800 || 7600 || 15200 || 30400|| 45600
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| | {{chembox header}} | '''T in °C''' || –109.2 || –86.4 || –68.4 || –54.1 || –27.1 || –11.7 || 7.5 || 39.0 || 68.8 || 99.5 || — || —
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| |}
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| Table data obtained from ''CRC Handbook of Chemistry and Physics'' 44th ed.
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| [[Image:logIsoButaneVaporPressure.png|thumb|583px|left|'''Vapor pressure of ''iso''-butane'''. From formula: <math>\scriptstyle \log_{10} P_{mmHg} = 6.74808 - \frac {882.80} {240.0+T}</math> obtained from ''Lange's Handbook of Chemistry'', 10th ed.]]{{Clear}}
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| == Spectral data == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
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| {| border="1" cellspacing="0" cellpadding="3" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-collapse: collapse; border-color: #C0C090;"
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| ! {{chembox header}} | [[UV/VIS spectroscopy|UV-Vis]]
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| | [[Lambda-max|λ<sub>max</sub>]]
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| | ? [[Nanometre|nm]]
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| | [[molar absorptivity|Extinction coefficient]], ε
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| | ?
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| ! {{chembox header}} | [[Infrared|IR]]
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| | Major absorption bands
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| | ? cm<sup>−1</sup>
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| ! {{chembox header}} | [[NMR Spectroscopy|NMR]]
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| | [[Proton NMR]] <!-- Link to image of spectrum -->
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| | [[Carbon-13 NMR]] <!-- Link to image of spectrum -->
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| | Other NMR data <!-- Insert special data e.g. <sup>19</sup>F chem. shifts, omit if not used -->
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| ! {{chembox header}} | [[Mass Spectrometry|MS]]
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| | Masses of <br>main fragments
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| | <!-- Give list of major fragments -->
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| |}
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| ==References==
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| <references/>
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| <!-- [http://webbook.nist.gov/chemistry/ NIST Standard Reference Database] -->
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| Except where noted otherwise, data relate to [[standard ambient temperature and pressure]].
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| [[wikipedia:Chemical infobox|Disclaimer]] applies.
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| {{DEFAULTSORT:Isobutane (Data Page)}}
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| [[Category:Chemical data pages]]
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| [[Category:Alkanes]]
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Wilber Berryhill is the title his mothers and fathers gave him and he totally digs that name. My wife and I reside in Kentucky. Since I was 18 I've been operating as a bookkeeper but soon my spouse and I will begin our own business. I am really fond of to go to karaoke but I've been taking on new issues recently.
my web page - clairvoyance