Intel 8255: Difference between revisions

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{{Use dmy dates|date=July 2013}}
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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 -->
 
This page provides supplementary chemical data on [[cyclohexane]]. <!-- 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 and follow its directions.
*[http://www2.siri.org/msds/index.php SIRI]
*[http://www.sciencestuff.com/msds/C1658.html Science Stuff]
*[https://fscimage.fishersci.com/msds/05870.htm Fisher Scientific]
 
== 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>
| 1.4262 at 20°C <!-- Please omit if not applicable -->
|-
| [[Abbe number]]
|? <!-- Please omit if not applicable -->
|-
| [[Dielectric constant]], ε<sub>r</sub>
| 2.023 ε<sub>0</sub> at 20 °C <!-- Please omit if not applicable -->
|-
| [[Bond strength]]
| ? <!-- Specify which bond. Please omit if not applicable -->
|-
| [[Bond length]]<ref>Morrison, Robert Thornton; Boyd, Robert Neilson: ''Organic Chemistry'' 2nd ed. p 288</ref>
| 230 pm H–C <!-- Specify which bond. Please omit if not applicable -->
|-
| [[Bond angle]]
| 109.5° H–C–H<br>109.5°C–C–C<br> 109.5° H–C–C<br><!-- Specify which angle, e.g. Cl-P-O. Please omit if not applicable -->
<!-- Specify which angle, e.g. Cl-P-O. Please omit if not applicable -->
|-
| [[Magnetic susceptibility]]
| ? <!-- Please omit if not applicable -->
|-
| [[Surface tension]]
| 27 dyn/cm &nbsp;&nbsp; at 10°C<br>25.3 dyn/cm at 20°C<br>15.7 dyn/cm at 80°C
|-
| [[Viscosity]]<ref>''Lange's Handbook of Chemistry'', 10th ed. pp 1669-1674</ref>
| 1.03 mPa·s at 17°C<br>0.93 mPa·s at 22°C<br>0.86 mPa·s at 27°C<br>0.75 mPa·s at 35°C<br>
|-
|}
 
== 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]]
| 279.7 K (6.55 °C), ? Pa
|-
| [[Critical point (chemistry)|Critical point]]
| 554 K (281 °C), 4070 kPa
|-
| [[Standard enthalpy change of fusion|Std enthalpy change<br/>of fusion]], Δ<sub>fus</sub>''H''<sup><s>o</s></sup>
| 2.68 kJ/mol<br>crystal I → liquid
|-
| [[Standard entropy change of fusion|Std entropy change<br/>of fusion]], Δ<sub>fus</sub>''S''<sup><s>o</s></sup>
| 9.57 J/(mol·K)<br>crystal I → liquid
|-
| [[Standard enthalpy change of vaporization|Std enthalpy change<br/>of vaporization]], Δ<sub>vap</sub>''H''<sup><s>o</s></sup>
| 32 kJ/mol
|-
| [[Standard entropy change of vaporization|Std entropy change<br/>of vaporization]], Δ<sub>vap</sub>''S''<sup><s>o</s></sup>
| 111.80 J/(mol·K)
|-
! {{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)
|-
| [[Enthalpy of transition]], Δ<sub>trs</sub>''H''<sup><s>o</s></sup>
| 6.7 kJ/mol at –87.0°C<br>crystal II → crystal I
|-
| [[Entropy of transition]], Δ<sub>trs</sub>''S''<sup><s>o</s></sup>
| 36 J/(mol·K) at –87.0°C<br>crystal II → crystal I
|-
! {{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>
| –156.4 kJ/mol
|-
| [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>liquid</sub>
| 204 J/(mol K)
|-
| [[Enthalpy of combustion]], Δ<sub>c</sub>''H''<sup><s>o</s></sup>
| –3919.6 kJ/mol
|-
| [[Heat capacity]], ''c<sub>p</sub>''
| 156 J/(mol K)
|-
! {{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>
| –123.1 kJ/mol
|-
| [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>gas</sub>
| 298.19 J/(mol K)
|-
| [[Heat capacity]], ''c<sub>p</sub>''
| 105.3 J/(mol K)
|-
| [[van der Waals equation|van der Waals' constants]]<ref name="lange1522">''Lange's Handbook of Chemistry'' 10th ed, pp 1522-1524</ref>
| a = 2311 L<sup>2</sup> kPa/mol<sup>2</sup><br> b = 0.1424 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''' || –45.3<sub>(s)</sub> || –15.9<sub>(s)</sub> || 6.7 || 25.5 || 60.8 || 80.7 || 106.0 || 146.4 || 184.0 || 228.4 || &nbsp;— || &nbsp;—
|}
Table data obtained from ''CRC Handbook of Chemistry and Physics'' 44th ed. The "(s)" annotation indicates equilibrium temperature of vapor over solid. Otherwise value is equilibrium temperature of vapor over liquid.
 
[[Image:LogCyclohexaneVaporPressure.png|thumb|797px|left|'''log<sub>10</sub> of Cyclohexane vapor pressure.''' Uses formula: <math>\scriptstyle \log_e P_{mmHg} =</math><math>\scriptstyle \log_e (\frac {760} {101.325}) - 9.200978\log_e(T+273.15) - \frac {6354.898} {T+273.15} + 75.65058 + 7.374814 \times 10^{-06} (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|publisher=Chemical Engineering Research Information Center|accessdate=19 May 2007|format=Queriable database}}</ref>]]{{Clear}}
 
==Distillation data==
{|
|- valign="top"
|
{|
|- valign="top"
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|-
| bgcolor="#D0D0D0" align="center" colspan="3"| '''Vapor-liquid Equilibrium<br>for Cyclohexane/[[Ethanol]]'''<ref name="cheric_b">{{Cite web|url=http://www.cheric.org/research/kdb/hcvle/hcvle.php|title=Binary Vapor-Liquid Equilibrium Data|publisher=Chemical Engineering Research Information Center|format=Queriable database|accessdate=19 May 2007}}</ref><br>''P'' = 760&nbsp;mm Hg
|- {{chembox header}}
! rowspan="2" | BP<br>Temp.<br>°C
! colspan="2" | % by mole ethanol
|- {{chembox header}}
! liquid !! vapor
|-
| 73.99 || 2.0 || 17.5
|-
| 69.08 || 3.0 || 30.2
|-
| 66.94 || 6.5 || 35.8
|-
| 66.08 || 8.1 || 36.3
|-
| 66.37 || 8.6 || 36.5
|-
| 65.59 || 12.5 || 38.8
|-
| 65.23 || 15.1 || 39.6
|-
| 65.12 || 20.6 || 40.8
|-
| 64.93 || 25.8 || 41.5
|-
| 64.87 || 28.3 || 41.8
|-
| 64.84 || 31.5 || 42.6
|-
| 64.78 || 36.6 || 43.0
|-
| 64.77 || 40.3 || 43.1
|-
| 64.77 || 43.1 || 43.1
|-
| 64.78 || 44.4 || 43.8
|-
| 64.81 || 50.0 || 44.3
|-
| 64.88 || 55.7 || 45.5
|-
| 65.01 || 61.3 || 46.0
|-
| 64.99 || 62.1 || 45.8
|-
| 65.25 || 67.8 || 47.5
|-
| 65.56 || 73.8 || 50.5
|-
| 66.03 || 76.3 || 49.6
|-
| 65.93 || 77.6 || 51.5
|-
| 66.40 || 78.1 || 49.8
|-
| 66.90 || 80.9 || 54.5
|-
| 67.26 || 83.3 || 57.8
|-
| 67.98 || 85.3 || 59.5
|-
| 68.86 || 88.1 || 62.3
|-
| 69.44 || 89.8 || 65.3
|-
| 70.11 || 90.9 || 67.8
|-
| 71.42 || 92.9 || 72.5
|-
| 72.48 || 95.1 || 77.8
|-
|}
| &nbsp; &nbsp;
|
{|
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|-
| bgcolor="#D0D0D0" align="center" colspan="3"| '''Vapor-liquid Equilibrium<br>for Cyclohexane/[[Benzene]]'''<ref name="cheric_b"/><br>''P'' = 760&nbsp;mm Hg
|- {{chembox header}}
! rowspan="2" | BP<br>Temp.<br>°C
! colspan="2" | % by mole benzene
|- {{chembox header}}
! liquid !! vapor
|-
| 79.5 || 10.1 || 13.1
|-
| 78.9 || 17.1 || 21.1
|-
| 78.4 || 25.6 || 29.3
|-
| 77.8 || 34.3 || 37.6
|-
| 77.5 || 42.8 || 44.5
|-
| 77.4 || 52.5 || 52.9
|-
| 77.4 || 57.1 || 56.4
|-
| 77.6 || 66.5 || 64.5
|-
| 77.9 || 75.9 || 72.8
|-
| 78.2 || 81.0 || 77.7
|-
| 78.6 || 86.3 || 83.4
|-
| 79.3 || 94.5 || 92.6
|-
|}
|-
| &nbsp;
|-
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|-
| bgcolor="#D0D0D0" align="center" colspan="3"| '''Vapor-liquid Equilibrium<br>for Cyclohexane/[[hexane|''n''-Hexane]]'''<ref name="cheric_b"/><br>''P'' = 101.0 kPa
|- {{chembox header}}
! rowspan="2" | BP<br>Temp.<br>°C
! colspan="2" | % by mole ''n''-hexane
|- {{chembox header}}
! liquid !! vapor
|-
| 80.60 || 0.00 || 0.00
|-
| 78.87 || 7.9 || 12.12
|-
| 78.15 || 12.50 || 18.30
|-
| 77.36 || 18.06 || 25.19
|-
| 76.85 || 21.65 || 29.30
|-
| 76.29 || 25.92 || 34.13
|-
| 75.85 || 29.39 || 37.92
|-
| 75.29 || 33.52 || 42.38
|-
| 75.29 || 37.86 || 46.93
|-
| 74.23 || 41.63 || 50.71
|-
| 73.58 || 46.72 || 55.63
|-
| 73.11 || 50.66 || 59.21
|-
| 72.26 || 59.26 || 67.28
|-
| 71.11 || 69.43 || 76.07
|-
| 70.45 || 76.18 || 81.40
|-
| 69.05 || 90.70 || 93.13
|-
| 68.64 || 100.00 || 100.00
|-
|}
|}
| &nbsp; &nbsp;
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|-
| bgcolor="#D0D0D0" align="center" colspan="3"| '''Vapor-liquid Equilibrium<br>for Cyclohexane/[[Acetic acid]]'''<ref name="cheric_b"/><br>''P'' = 101.325 kPa
|- {{chembox header}}
! rowspan="2" | BP<br>Temp.<br>°C
! colspan="2" | % by mole acetic acid
|- {{chembox header}}
! liquid !! vapor
|-
| 79.60 || 2.75 || 6.31
|-
| 79.32 || 5.20 || 9.85
|-
| 78.84 || 101.2 || 15.01
|-
| 78.53 || 14.06 || 18.04
|-
| 78.50 || 21.39 || 21.98
|-
| 78.81 || 35.30 || 26.20
|-
| 79.13 || 49.30 || 29.00
|-
| 79.33 || 56.10 || 30.00
|-
| 81.44 || 74.60 || 33.50
|-
| 81.66 || 75.80 || 34.20
|-
| 85.18 || 86.70 || 40.00
|-
| 90.52 || 92.50 || 49.20
|-
| 91.90 || 93.20 || 51.70
|-
| 95.52 || 94.57 || 57.82
|-
| 98.94 || 95.96 || 63.33
|-
| 105.75 || 97.84 || 75.69
|-
| 113.16 || 99.33 || 90.67
|-
|}
| &nbsp; &nbsp;
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|-
| bgcolor="#D0D0D0" align="center" colspan="3"| '''Vapor-liquid Equilibrium<br>for Cyclohexane/[[Isopropanol]]'''<ref name="cheric_b"/><br>''P'' = 760&nbsp;mm Hg
|- {{chembox header}}
! rowspan="2" | BP<br>Temp.<br>°C
! colspan="2" | % by mole cyclohexane
|- {{chembox header}}
! liquid !! vapor
|-
| 78.71 || 2.7 || 11.2
|-
| 76.91 || 7.0 || 21.8
|-
| 74.96 || 11.6 || 28.3
|-
| 74.80 || 12.0 || 27.6
|-
| 72.28 || 19.1 || 37.1
|-
| 70.19 || 30.6 || 48.9
|-
| 69.35 || 47.3 || 55.5
<!-- *69.02 760 48.5 54.8 +-0.02 data point suspect -->
|-
| 69.20 || 51.6 || 57.0
|-
| 69.14 || 51.6 || 57.2
|-
| 69.11 || 51.8 || 56.8
|-
| 68.80 || 52.8 || 58.3
|-
| 69.01 || 53.8 || 58.2
|-
| 69.08 || 57.1 || 58.2
<!-- *69.21 760 63.1 60.5 +-0.02 data point suspect -->
<!-- *69.06 760 64.0 59.5 +-0.02 data point suspect -->
|-
| 69.10 || 70.8 || 62.7
|-
| 69.42 || 74.2 || 64.9
|-
| 69.45 || 78.4 || 66.0
|-
| 69.66 || 80.7 || 67.3
|-
| 70.11 || 86.2 || 69.7
|-
| 70.31 || 87.3 || 70.9
|-
| 71.50 || 92.1 || 77.3
|-
| 74.74 || 97.8 || 85.0
<!-- 74.01 || 99.0 || 83.8 data point suspect -->
|-
| 76.73 || 99.5 || 89.3
|-
|}
|}
{{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
| 1055–1000&nbsp;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.
 
{{DEFAULTSORT:Cyclohexane (Data Page)}}
[[Category:Chemical data pages]]

Latest revision as of 15:23, 10 December 2014

Friends call him Royal. I presently reside in Alabama. The occupation he's been occupying for many years is a messenger. To perform badminton is some thing he truly enjoys doing.

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