Motor variable: Difference between revisions

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m mv refs inline, lk Wirtinger derivative
Elementary functions of a motor variable: who uses both simultaneously?
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{{Use dmy dates|date=July 2013}}
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Please find below supplementary chemical data about [[dichloromethane]].
 
==MSDS sheets==
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]{{dead link|date=January 2013}}
* [http://www.sciencestuff.com/msds/C1677.html Science Stuff]
* [http://hazard.com/msds/mf/baker/baker/files/m4420.htm Baker]
* [http://physchem.ox.ac.uk/MSDS/DI/dichloromethane.html Oxford University Chemical Safety Archive]{{dead link|date=January 2013}}
 
== 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>{{Cite web|url=http://www.chemicalland21.com/industrialchem/solalc/METHYLENE%20CHLORIDE.htm|title=Methylene Chloride|publisher=chemicalland21.com|accessdate=29 May 2007}}</ref> ''n''<sub>D</sub>
| 1.4242 <!-- Please omit if not applicable -->
|-
| [[Abbe number]]
|? <!-- Please omit if not applicable -->
|-
| [[Dielectric constant]],<ref>''CRC Handbook of Chemistry and Physics'', 47th ed. p E-54</ref> ε<sub>r</sub>
| 9.08 ε<sub>0</sub> at 20°C <!-- Please omit if not applicable -->
|-
| [[molecular dipole moment|Dipole moment]],<ref>http://macro.lsu.edu/howto/solvents/Dipole%20Moment.htm</ref>
| 1.14 D <!-- 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>''CRC Handbook of Chemistry and Physics'', 47th ed. pp F-28 - F-30</ref>
| 26.52 dyn/cm at 20°C
|-
| [[Viscosity]]<ref>''CRC Handbook of Chemistry and Physics'', 47th ed. pp F-33 - F-38</ref>
| 0.449 mPa·s at 15°C<br>0.393 mPa·s at 30°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]]
| ? K (? °C), ? Pa
|-
| [[Critical point (thermodynamics)|Critical point]]<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=29 May 2007}}</ref>
| 510 K (237 °C), 6100 kPa
|-
| [[Standard enthalpy change of fusion|Std enthalpy change<br/>of fusion]], Δ<sub>fus</sub>''H''<sup><s>o</s></sup>
| +6.160 kJ/mol
|-
| [[Standard entropy change of fusion|Std entropy change<br/>of fusion]], Δ<sub>fus</sub>''S''<sup><s>o</s></sup>
| ? J/(mol·K)
|-
| [[Standard enthalpy change of vaporization|Std enthalpy change<br/>of vaporization]], Δ<sub>vap</sub>''H''<sup><s>o</s></sup>
| +28.6 kJ/mol
|-
| [[Standard entropy change of vaporization|Std entropy change<br/>of vaporization]], Δ<sub>vap</sub>''S''<sup><s>o</s></sup>
| ? 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)
|-
! {{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>
| &minus;124.3 kJ/mol
|-
| [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>liquid</sub>
| 174.5 J/(mol K)
|-
| [[Heat capacity]], ''c<sub>p</sub>''
| 102.3 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>
| &minus;95.52 kJ/mol
|-
| [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>gas</sub>
| 270.28 J/(mol K)
|-
| [[Heat capacity]], ''c<sub>p</sub>''
| ? J/(mol K)
|-
| [[van der Waals equation|van der Waals' constants]]<ref>{{Cite web|url=http://www2.ucdsb.on.ca/tiss/stretton/Database/van_der_waals_constants.html|title=van der Waal's Constants for Real Gases|publisher=Tom Stretton's Chemistry Pages|accessdate=29 May 2007}}</ref>
| a = 1244 L<sup>2</sup> kPa/mol<sup>2</sup><br> b = 0.08689 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
|-
| {{chembox header}} | '''T in °C''' || –70.0 || –43.3 || –22.3 || –6.3 || 24.1 || 40.7
|}
Table data obtained from ''CRC Handbook of Chemistry and Physics'' 47th ed.
 
[[Image:LogMethylenechlorideVaporPressure.png|thumb|781px|left|'''log<sub>10</sub> of Dichloromethane vapor pressure.''' Uses formula: <math>\scriptstyle \log_e P_{mmHg} =</math><math>\scriptstyle \log_e (\frac {760} {101.325}) - 10.08632\log_e(T+273.15) - \frac {6030.610} {T+273.15} + 80.87786 + 9.812512 \times 10^{-6} (T+273.15)^2</math> obtained from CHERIC<ref name="cheric_p"/>]]{{Clear}}
 
==Spectral data==
{| border="1" cellspacing="0" cellpadding="3" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-color: #C0C090;"
 
! width="85%" align="center" cellspacing="3" style="font-size:95%; border: 1px solid #C0C090; background-color: #F8EABA; margin-bottom: 3px;" colspan="2" | [[UV/VIS spectroscopy|UV-Vis]]
|-
| Spectrum
| ?
|-
| [[Lambda-max]]
| ? [[Nanometre|nm]]
|-
| Log [[Extinction coefficient|Ε]]
| ?
|-
! {{chembox header}} colspan="2" | [[Infrared|IR]]
|-
| Spectrum
| [http://webbook.nist.gov/cgi/cbook.cgi?ID=C75092&Units=SI&Type=IR-SPEC&Index=2#IR-SPEC NIST]
|-
| Major absorption bands
| ? cm<sup>&minus;1</sup>
|-
! {{chembox header}} colspan="2" | [[NMR Spectroscopy|NMR]]
|-
| [[Proton NMR]] <!-- Link to image of spectrum -->
| δ CDCl<sub>3</sub> 5.30 (s, 2H)
|-
| [[Carbon-13 NMR]] <!-- Link to image of spectrum -->
| δ CDCl<sub>3</sub> 53.5
|-
| Other NMR data <!-- Insert special data e.g. <sup>19</sup>F chem. shifts, omit if not used -->
| ?
|-
! width="85%" align="center" cellspacing="3" style="font-size:95%; border: 1px solid #C0C090; background-color: #F8EABA; margin-bottom: 3px;" colspan="2" | [[Mass Spectrometry|MS]]
|-
| Masses of <br>main fragments
| ? <!-- Give list of major fragments -->
|-
| {{chembox header}} colspan="2" | <small>Except where noted otherwise, data are given for<br>[[standard ambient temperature and pressure|standard ambient temperature and pressure (25°C, 101.3 kPa)]]<br/>[[wikipedia:Chemical infobox|Disclaimer and references]]</small>
|}
 
==Structure and properties data==
{| border="1" cellspacing="0" cellpadding="3" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-color: #C0C090;"
 
! width="85%" align="center" cellspacing="3" style="font-size:95%; border: 1px solid #C0C090; background-color: #F8EABA; margin-bottom: 3px;" colspan="2" | Structure and properties
|-
| [[Index of refraction]]
| 1.424
|-
| [[Dielectric constant]]
| 8.93
|-
| [[Viscosity]]
| 0.44 [[Poise|cP]] at 20 °C
|-
| width="85%" align="center" cellspacing="3" style="font-size:95%; border: 1px solid #C0C090; background-color: #F8EABA; margin-bottom: 3px;" colspan="2" | <small>Except where noted otherwise, data are given for<br>[[standard ambient temperature and pressure|standard ambient temperature and pressure (25°C, 101.3 kPa)]]<br/>[[wikipedia:Chemical infobox|Disclaimer and references]]</small>
|}
 
==References==
{{reflist}}
* [http://webbook.nist.gov/cgi/cbook.cgi?Name=dichloromethane&Units=SI NIST website]
* G. W. C. Kaye and [[T. H. Laby]], [http://www.kayelaby.npl.co.uk/toc/ Tables of Physical & Chemical Constants at National Physical Laboratory]
* [http://webbook.nist.gov/cgi/cbook.cgi?ID=C75092&Units=SI&Mask=3&Type=JANAFG&Table=on#JANAFG Heat capacity]
 
Except where noted otherwise, data relate to [[standard ambient temperature and pressure]].
 
[[wikipedia:Chemical infobox|Disclaimer]] applies.
 
{{DEFAULTSORT:Dichloromethane (Data Page)}}
[[Category:Chemical data pages]]

Revision as of 03:09, 16 February 2014

Hi there. Let me start by introducing the author, her name is Myrtle Cleary. For a while I've been in South Dakota and my parents live nearby. For years he's been operating as a receptionist. Doing ceramics is what my family members and I appreciate.

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