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href="#Ambiguity_regarding_the_example_of_chemical_nucleation"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Ambiguity regarding the example of chemical nucleation</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Ambiguity_regarding_the_example_of_chemical_nucleation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-free_energy_vs_radius_graph_jpg_needs_redrawing." class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#free_energy_vs_radius_graph_jpg_needs_redrawing."> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>free energy vs radius graph jpg needs redrawing.</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">2 comments</span> <ul id="toc-free_energy_vs_radius_graph_jpg_needs_redrawing.-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Modern_Theory_equation_documentation_error?" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Modern_Theory_equation_documentation_error?"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Modern Theory equation documentation error?</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Modern_Theory_equation_documentation_error?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sodium_acetate_nucleation_with_snapping_disk" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sodium_acetate_nucleation_with_snapping_disk"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Sodium acetate nucleation with snapping disk</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">2 comments</span> <ul id="toc-Sodium_acetate_nucleation_with_snapping_disk-sublist" class="vector-toc-list"> </ul> </li> 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If you would like to participate, please visit the project page, where you can join <a href="/wiki/Wikipedia_talk:WikiProject_Physics/Taskforces/Glass" title="Wikipedia talk:WikiProject Physics/Taskforces/Glass">the discussion</a> and see a list of open tasks.<span class="metadata wpb-metadata"><span class="wpb-project">Glass</span><span class="wpb-project_link">Wikipedia:WikiProject Physics/Taskforces/Glass</span><span class="wpb-banner_name">Template:WikiProject Glass</span><span class="wpb-assessment_cat">glass articles</span></span></td><td class="mbox-empty-cell"></td></tr><tr><td class="assess import-unknown"><a href="/wiki/Category:Unknown-importance_glass_articles" title="Category:Unknown-importance glass articles">???</a></td><td class="mbox-text" colspan="2">This article has not yet received a rating on the <a href="/wiki/Wikipedia:Version_1.0_Editorial_Team/Release_Version_Criteria#Importance_of_topic" title="Wikipedia:Version 1.0 Editorial Team/Release Version Criteria">importance scale</a>.</td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table> <meta property="mw:PageProp/toc"/> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Cosmological_confusion" data-mw-thread-id="h-Cosmological_confusion-2006-04-01T19:51:00.000Z"><span data-mw-comment-start="" id="h-Cosmological_confusion-2006-04-01T19:51:00.000Z"></span>Cosmological confusion<span data-mw-comment-end="h-Cosmological_confusion-2006-04-01T19:51:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Nucleation&action=edit&section=1" title="Edit section: Cosmological confusion"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Keflavich-2006-04-01T19:51:00.000Z-Cosmological_confusion"></span>Can anyone provide some cites and some discussion of nucleation in <a href="/wiki/Cosmology" title="Cosmology">cosmology</a>? Nucleation is a key concept in false vacuum inflation, it would be nice to get some treatment of that. --<a href="/wiki/User:Keflavich" title="User:Keflavich">Keflavich</a> <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-Keflavich-2006-04-01T19:51:00.000Z-Cosmological_confusion" class="ext-discussiontools-init-timestamplink">19:51, 1 April 2006 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Keflavich-2006-04-01T19:51:00.000Z-Cosmological_confusion"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Keflavich-2006-04-01T19:51:00.000Z-Cosmological_confusion"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Jrockley-2006-06-13T03:06:00.000Z-Keflavich-2006-04-01T19:51:00.000Z"></span>I was just about to ask a similar question! What about <a href="/wiki/Gravitational" class="mw-redirect" title="Gravitational">gravitational</a> nucleation? when the universe was finding its feet, it was a uniform cloud, no? What caused it to form nebulae, stars, and planets? - <a href="/w/index.php?title=User:Jrockley&action=edit&redlink=1" class="new" title="User:Jrockley (page does not exist)">jak</a> <small><a href="/wiki/User_talk:Jrockley" title="User talk:Jrockley">(talk)</a></small> <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-Jrockley-2006-06-13T03:06:00.000Z-Keflavich-2006-04-01T19:51:00.000Z" class="ext-discussiontools-init-timestamplink">03:06, 13 June 2006 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Jrockley-2006-06-13T03:06:00.000Z-Keflavich-2006-04-01T19:51:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Jrockley-2006-06-13T03:06:00.000Z-Keflavich-2006-04-01T19:51:00.000Z"></span></dd></dl> <dl><dd><dl><dd><span data-mw-comment-start="" id="c-DCDuring-2007-09-24T16:41:00.000Z-Jrockley-2006-06-13T03:06:00.000Z"></span>Fix it. <a href="/wiki/User:DCDuring" title="User:DCDuring">DCDuring</a> <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-DCDuring-2007-09-24T16:41:00.000Z-Jrockley-2006-06-13T03:06:00.000Z" class="ext-discussiontools-init-timestamplink">16:41, 24 September 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-DCDuring-2007-09-24T16:41:00.000Z-Jrockley-2006-06-13T03:06:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-DCDuring-2007-09-24T16:41:00.000Z-Jrockley-2006-06-13T03:06:00.000Z"></span></dd></dl></dd></dl> <p><span data-mw-comment-start="" id="c-72.54.128.137-2008-10-01T14:11:00.000Z-Cosmological_confusion"></span>Can you write who discovered nucleation? i need to know for a project. <span style="font-size: smaller;" class="autosigned">—Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/Special:Contributions/72.54.128.137" title="Special:Contributions/72.54.128.137">72.54.128.137</a> (<a href="/wiki/User_talk:72.54.128.137" title="User talk:72.54.128.137">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-72.54.128.137-2008-10-01T14:11:00.000Z-Cosmological_confusion" class="ext-discussiontools-init-timestamplink">14:11, 1 October 2008 (UTC)</a></span><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-72.54.128.137-2008-10-01T14:11:00.000Z-Cosmological_confusion"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-72.54.128.137-2008-10-01T14:11:00.000Z-Cosmological_confusion"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Help_Request" data-mw-thread-id="h-Help_Request-2006-08-07T17:39:00.000Z"><span data-mw-comment-start="" id="h-Help_Request-2006-08-07T17:39:00.000Z"></span>Help Request<span data-mw-comment-end="h-Help_Request-2006-08-07T17:39:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Nucleation&action=edit&section=2" title="Edit section: Help Request"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Toritaiyo-2006-08-07T17:39:00.000Z-Help_Request"></span>I noticed that this page has an external link to a page about the coke and mentos experience. I created a page about the mentos eruption phenomenon (<a href="/wiki/Mentos_eruption" class="mw-redirect" title="Mentos eruption">Mentos eruption</a>). But I'm not a scientist so any help you could provide editing it (especially the scientific explanation section) would be great. I'm sure that you would do much better at it than me. (<a href="/wiki/User:Toritaiyo" title="User:Toritaiyo">Toritaiyo</a> <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-Toritaiyo-2006-08-07T17:39:00.000Z-Help_Request" class="ext-discussiontools-init-timestamplink">17:39, 7 August 2006 (UTC)</a>)<span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Toritaiyo-2006-08-07T17:39:00.000Z-Help_Request"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Toritaiyo-2006-08-07T17:39:00.000Z-Help_Request"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Heterogeneous_nucleation_form_factor" data-mw-thread-id="h-Heterogeneous_nucleation_form_factor-2010-04-11T14:25:00.000Z"><span data-mw-comment-start="" id="h-Heterogeneous_nucleation_form_factor-2010-04-11T14:25:00.000Z"></span>Heterogeneous nucleation form factor<span data-mw-comment-end="h-Heterogeneous_nucleation_form_factor-2010-04-11T14:25:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Nucleation&action=edit&section=3" title="Edit section: Heterogeneous nucleation form factor"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Grunkhead-2010-04-11T14:25:00.000Z-Heterogeneous_nucleation_form_factor"></span>I get a different result for the form factor relating the free energy for heterogeneous nucleation as a proportion of the free energy of homogeneous nucleation. Can anyone add a source to confirm? </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle f(\theta )={\frac {1}{4}}\left(2-\cos \theta +\cos ^{3}\theta \right)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>f</mi> <mo stretchy="false">(</mo> <mi>θ</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mn>4</mn> </mfrac> </mrow> <mrow> <mo>(</mo> <mrow> <mn>2</mn> <mo>−</mo> <mi>cos</mi> <mo>⁡</mo> <mi>θ</mi> <mo>+</mo> <msup> <mi>cos</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> <mo>⁡</mo> <mi>θ</mi> </mrow> <mo>)</mo> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle f(\theta )={\frac {1}{4}}\left(2-\cos \theta +\cos ^{3}\theta \right)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b301ec34520bd2a2ab5f0107f58040a8da06503f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:28.867ex; height:5.176ex;" alt="{\displaystyle f(\theta )={\frac {1}{4}}\left(2-\cos \theta +\cos ^{3}\theta \right)}"/></span> </p><p><a href="/wiki/User:Grunkhead" title="User:Grunkhead">Grunkhead</a> (<a href="/wiki/User_talk:Grunkhead" title="User talk:Grunkhead">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-Grunkhead-2010-04-11T14:25:00.000Z-Heterogeneous_nucleation_form_factor" class="ext-discussiontools-init-timestamplink">14:25, 11 April 2010 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Grunkhead-2010-04-11T14:25:00.000Z-Heterogeneous_nucleation_form_factor"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Grunkhead-2010-04-11T14:25:00.000Z-Heterogeneous_nucleation_form_factor"></span> </p><p><br/><span data-mw-comment-start="" id="c-128.252.20.193-2010-06-28T21:20:00.000Z-Heterogeneous_nucleation_form_factor"></span> This rate is valid only if the heterogeneous nucleation takes place on a plane surface. In other cases the "geometric factor" has more complicated form. You can check any of text books for nucleation for further reference. <span style="font-size: smaller;" class="autosigned">—Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/Special:Contributions/128.252.20.193" title="Special:Contributions/128.252.20.193">128.252.20.193</a> (<a href="/wiki/User_talk:128.252.20.193" title="User talk:128.252.20.193">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-128.252.20.193-2010-06-28T21:20:00.000Z-Heterogeneous_nucleation_form_factor" class="ext-discussiontools-init-timestamplink">21:20, 28 June 2010 (UTC)</a></span><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-128.252.20.193-2010-06-28T21:20:00.000Z-Heterogeneous_nucleation_form_factor"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-128.252.20.193-2010-06-28T21:20:00.000Z-Heterogeneous_nucleation_form_factor"></span> </p><p><span data-mw-comment-start="" id="c-Rpsear-2013-12-26T19:35:00.000Z-Heterogeneous_nucleation_form_factor"></span>The original expression in the page was right, but as note above applies only to the (unrealistic) case of a perfectly smooth surface, so I have replaced the equation with a qualitative discussion of the effect of contact angle and surface geometry on nucleation. rpsear 26th Dec 2013 <small><span class="autosigned">— Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/User:Rpsear" title="User:Rpsear">Rpsear</a> (<a href="/wiki/User_talk:Rpsear" title="User talk:Rpsear">talk</a> • <a href="/wiki/Special:Contributions/Rpsear" title="Special:Contributions/Rpsear">contribs</a>) <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-Rpsear-2013-12-26T19:35:00.000Z-Heterogeneous_nucleation_form_factor" class="ext-discussiontools-init-timestamplink">19:35, 26 December 2013 (UTC)</a></span></small><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Rpsear-2013-12-26T19:35:00.000Z-Heterogeneous_nucleation_form_factor"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Rpsear-2013-12-26T19:35:00.000Z-Heterogeneous_nucleation_form_factor"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Ambiguity_regarding_the_example_of_chemical_nucleation" data-mw-thread-id="h-Ambiguity_regarding_the_example_of_chemical_nucleation-2010-04-21T02:54:00.000Z"><span data-mw-comment-start="" id="h-Ambiguity_regarding_the_example_of_chemical_nucleation-2010-04-21T02:54:00.000Z"></span>Ambiguity regarding the example of chemical nucleation<span data-mw-comment-end="h-Ambiguity_regarding_the_example_of_chemical_nucleation-2010-04-21T02:54:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Nucleation&action=edit&section=4" title="Edit section: Ambiguity regarding the example of chemical nucleation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Extremophile-2010-04-21T02:54:00.000Z-Ambiguity_regarding_the_example_of_chemical_nucleation"></span>"Most nucleation processes are physical, rather than chemical, but a few exceptions do exist (e.g. electrochemical nucleation) . A good example would be the famous Diet Coke and Mentos eruption". First of all, is electrochemical nucleation the only exception, the only form of chemical nucleation, or there are more? If it is the only one, then it's supposed to be "i.e." ("id est", "that is"), not "e.g." (example gratia). Secondly, is the diet(?)-coke-and-menthos case a sort of electrochemical nucleation, or is it just other sort of chemical nucleation, but not electrochemical? --<a href="/wiki/User:Extremophile" title="User:Extremophile">Extremophile</a> (<a href="/wiki/User_talk:Extremophile" title="User talk:Extremophile">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-Extremophile-2010-04-21T02:54:00.000Z-Ambiguity_regarding_the_example_of_chemical_nucleation" class="ext-discussiontools-init-timestamplink">02:54, 21 April 2010 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Extremophile-2010-04-21T02:54:00.000Z-Ambiguity_regarding_the_example_of_chemical_nucleation"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Extremophile-2010-04-21T02:54:00.000Z-Ambiguity_regarding_the_example_of_chemical_nucleation"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="free_energy_vs_radius_graph_jpg_needs_redrawing." data-mw-thread-id="h-free_energy_vs_radius_graph_jpg_needs_redrawing.-2010-11-14T00:46:00.000Z"><span data-mw-comment-start="" id="h-free_energy_vs_radius_graph_jpg_needs_redrawing.-2010-11-14T00:46:00.000Z"></span>free energy vs radius graph jpg needs redrawing.<span data-mw-comment-end="h-free_energy_vs_radius_graph_jpg_needs_redrawing.-2010-11-14T00:46:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Nucleation&action=edit&section=5" title="Edit section: free energy vs radius graph jpg needs redrawing."><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-82.4.86.255-2010-11-14T00:46:00.000Z-free_energy_vs_radius_graph_jpg_needs_redrawing."></span>The interfacial energy + the volume free energy should add up to give the free energy of the system (line in the middle). I understand that it's a sketch but you can see clearly that this line is in the wrong place and therefore may cause confusion. <span style="font-size: smaller;" class="autosigned">—Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/Special:Contributions/82.4.86.255" title="Special:Contributions/82.4.86.255">82.4.86.255</a> (<a href="/w/index.php?title=User_talk:82.4.86.255&action=edit&redlink=1" class="new" title="User talk:82.4.86.255 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-82.4.86.255-2010-11-14T00:46:00.000Z-free_energy_vs_radius_graph_jpg_needs_redrawing." class="ext-discussiontools-init-timestamplink">00:46, 14 November 2010 (UTC)</a></span><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-82.4.86.255-2010-11-14T00:46:00.000Z-free_energy_vs_radius_graph_jpg_needs_redrawing."><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-82.4.86.255-2010-11-14T00:46:00.000Z-free_energy_vs_radius_graph_jpg_needs_redrawing."></span> </p><p><span data-mw-comment-start="" id="c-Rpsear-2014-01-09T18:22:00.000Z-free_energy_vs_radius_graph_jpg_needs_redrawing."></span>Fixed. I did an improved figure (PNG format) and the page now uses this image - Richard Sear (rpsear) 9th Jan 2014 <small><span class="autosigned">— Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/User:Rpsear" title="User:Rpsear">Rpsear</a> (<a href="/wiki/User_talk:Rpsear" title="User talk:Rpsear">talk</a> • <a href="/wiki/Special:Contributions/Rpsear" title="Special:Contributions/Rpsear">contribs</a>) <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-Rpsear-2014-01-09T18:22:00.000Z-free_energy_vs_radius_graph_jpg_needs_redrawing." class="ext-discussiontools-init-timestamplink">18:22, 9 January 2014 (UTC)</a></span></small><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Rpsear-2014-01-09T18:22:00.000Z-free_energy_vs_radius_graph_jpg_needs_redrawing."><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Rpsear-2014-01-09T18:22:00.000Z-free_energy_vs_radius_graph_jpg_needs_redrawing."></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Modern_Theory_equation_documentation_error?" data-mw-thread-id="h-Modern_Theory_equation_documentation_error?-2011-06-29T18:08:00.000Z"><span id="Modern_Theory_equation_documentation_error.3F"></span><span data-mw-comment-start="" id="h-Modern_Theory_equation_documentation_error?-2011-06-29T18:08:00.000Z"></span>Modern Theory equation documentation error?<span data-mw-comment-end="h-Modern_Theory_equation_documentation_error?-2011-06-29T18:08:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Nucleation&action=edit&section=6" title="Edit section: Modern Theory equation documentation error?"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Sativarg-2011-06-29T18:08:00.000Z-Modern_Theory_equation_documentation_error?"></span>Is "Δ<i>G</i>" vs "Δ<i>s</i>" in this example correct from gibbs free energy equation? Can one substitute "s" here? This does not look correct. </p> <dl><dd><dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \Delta G\ =\ (4\pi r^{2}-s)\sigma -(n-1)k_{B}T\ln S}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">Δ</mi> <mi>G</mi> <mtext> </mtext> <mo>=</mo> <mtext> </mtext> <mo stretchy="false">(</mo> <mn>4</mn> <mi>π</mi> <msup> <mi>r</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>−</mo> <mi>s</mi> <mo stretchy="false">)</mo> <mi>σ</mi> <mo>−</mo> <mo stretchy="false">(</mo> <mi>n</mi> <mo>−</mo> <mn>1</mn> <mo stretchy="false">)</mo> <msub> <mi>k</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>B</mi> </mrow> </msub> <mi>T</mi> <mi>ln</mi> <mo>⁡</mo> <mi>S</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \Delta G\ =\ (4\pi r^{2}-s)\sigma -(n-1)k_{B}T\ln S}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e1bb621eb148d0f6897051569b57485c47cc48d3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:38.277ex; height:3.176ex;" alt="{\displaystyle \Delta G\ =\ (4\pi r^{2}-s)\sigma -(n-1)k_{B}T\ln S}"/></span></dd></dl></dd></dl> <p>Where: </p> <dl><dd><ul><li>Δ<i>s</i> is critical free energy needed.</li> <li><i>k<sub>B</sub></i> is the <a href="/wiki/Boltzmann_constant" title="Boltzmann constant">Boltzmann constant</a></li> <li><i>S=p<sub>v</sub>/p<sub>o</sub></i> is the <a href="/wiki/Supersaturation" title="Supersaturation">supersaturation</a></li> <li><i>s</i> is the <a href="/wiki/Surface_area" title="Surface area">surface area</a> of a monomer</li></ul></dd></dl> <p><a href="/wiki/User:Sativarg" title="User:Sativarg">Sativarg</a> (<a href="/wiki/User_talk:Sativarg" title="User talk:Sativarg">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-Sativarg-2011-06-29T18:08:00.000Z-Modern_Theory_equation_documentation_error?" class="ext-discussiontools-init-timestamplink">18:08, 29 June 2011 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Sativarg-2011-06-29T18:08:00.000Z-Modern_Theory_equation_documentation_error?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Sativarg-2011-06-29T18:08:00.000Z-Modern_Theory_equation_documentation_error?"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Sodium_acetate_nucleation_with_snapping_disk" data-mw-thread-id="h-Sodium_acetate_nucleation_with_snapping_disk-2012-03-08T06:42:00.000Z"><span data-mw-comment-start="" id="h-Sodium_acetate_nucleation_with_snapping_disk-2012-03-08T06:42:00.000Z"></span>Sodium acetate nucleation with snapping disk<span data-mw-comment-end="h-Sodium_acetate_nucleation_with_snapping_disk-2012-03-08T06:42:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Nucleation&action=edit&section=7" title="Edit section: Sodium acetate nucleation with snapping disk"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Robert_Hiller-2012-03-08T06:42:00.000Z-Sodium_acetate_nucleation_with_snapping_disk"></span>The snap disk in warming packs apparently nucleates solidification by exposing microcrystals in small cracks in the metal surface, according to <a rel="nofollow" class="external text" href="http://onlinelibrary.wiley.com/doi/10.1002/aic.690490222/abstract">Rogerson, Mansel A, and Silvana S. S Cardoso. 2003. Solidification in heat packs: III. Metallic trigger. AIChE Journal 49(2):522-529</a>. This is according to the abstract, I don't have access to the full paper. This should also be clarified in the article <a href="/wiki/Sodium_acetate" title="Sodium acetate">sodium acetate</a>. <a href="/w/index.php?title=User:Robert_Hiller&action=edit&redlink=1" class="new" title="User:Robert Hiller (page does not exist)">Robert Hiller</a> (<a href="/wiki/User_talk:Robert_Hiller" title="User talk:Robert Hiller">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-Robert_Hiller-2012-03-08T06:42:00.000Z-Sodium_acetate_nucleation_with_snapping_disk" class="ext-discussiontools-init-timestamplink">06:42, 8 March 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Robert_Hiller-2012-03-08T06:42:00.000Z-Sodium_acetate_nucleation_with_snapping_disk"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Robert_Hiller-2012-03-08T06:42:00.000Z-Sodium_acetate_nucleation_with_snapping_disk"></span> </p><p><span data-mw-comment-start="" id="c-Dder-2014-11-16T14:22:00.000Z-Sodium_acetate_nucleation_with_snapping_disk"></span>Another citation along those same lines is B. Sandnes, The physics and the chemistry of the heat pad, Am. J. Phys. 76, 546 (2008); <a rel="nofollow" class="external free" href="https://dx.doi.org/10.1119/1.2830533">http://dx.doi.org/10.1119/1.2830533</a> <a href="/wiki/User:Dder" title="User:Dder">Dder</a> (<a href="/wiki/User_talk:Dder" title="User talk:Dder">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Nucleation#c-Dder-2014-11-16T14:22:00.000Z-Sodium_acetate_nucleation_with_snapping_disk" class="ext-discussiontools-init-timestamplink">14:22, 16 November 2014 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Dder-2014-11-16T14:22:00.000Z-Sodium_acetate_nucleation_with_snapping_disk"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Dder-2014-11-16T14:22:00.000Z-Sodium_acetate_nucleation_with_snapping_disk"></span> </p>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Talk:Nucleation&oldid=1226113686">https://en.wikipedia.org/w/index.php?title=Talk:Nucleation&oldid=1226113686</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:C-Class_Chemistry_articles" title="Category:C-Class Chemistry articles">C-Class Chemistry articles</a></li><li><a href="/wiki/Category:Mid-importance_Chemistry_articles" title="Category:Mid-importance Chemistry articles">Mid-importance Chemistry articles</a></li><li><a href="/wiki/Category:WikiProject_Chemistry_articles" title="Category:WikiProject Chemistry articles">WikiProject Chemistry articles</a></li><li><a href="/wiki/Category:C-Class_glass_articles" title="Category:C-Class glass articles">C-Class glass articles</a></li><li><a href="/wiki/Category:Unknown-importance_glass_articles" title="Category:Unknown-importance glass articles">Unknown-importance glass articles</a></li><li><a href="/wiki/Category:C-Class_glass_articles_of_Unknown-importance" title="Category:C-Class glass articles of Unknown-importance">C-Class glass articles of Unknown-importance</a></li><li><a href="/wiki/Category:WikiProject_Glass_articles" title="Category:WikiProject Glass articles">WikiProject Glass articles</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 28 May 2024, at 16:43<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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