<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0187-893X</journal-id>
<journal-title><![CDATA[Educación química]]></journal-title>
<abbrev-journal-title><![CDATA[Educ. quím]]></abbrev-journal-title>
<issn>0187-893X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Química]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-893X2022000100016</article-id>
<article-id pub-id-type="doi">10.22201/fq.18708404e.2022.1.77712</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[La formación de pares moleculares en el proceso de mezclado y desmezclado]]></article-title>
<article-title xml:lang="en"><![CDATA[The formation of molecular pairs in the mixing and de-mixing process]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alanís García]]></surname>
<given-names><![CDATA[Mario A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Novelo Torres]]></surname>
<given-names><![CDATA[Alma M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gracia Fadrique]]></surname>
<given-names><![CDATA[Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Química Departamento de Fisicoquímica]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>33</volume>
<numero>1</numero>
<fpage>16</fpage>
<lpage>28</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-893X2022000100016&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-893X2022000100016&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-893X2022000100016&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las combinaciones de n elementos tomados de dos en dos, cuantifican el número total de pares posibles formados a partir de los n elementos. Si a cada uno de estos pares se le asigna un potencial atractivo, entonces se puede calcular la magnitud atractiva total entre pares de una misma especie y la magnitud atractiva entre pares diferentes. Este tratamiento puede extenderse a un número mayor de primeros vecinos y entonces responder a la pregunta sobre la solubilidad total o parcial entre líquidos diferentes a través de la construcción de la función de energía libre de Gibbs de mezclado correspondiente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Combinations of n elements taken two by two, quantify the total number of possible pairs formed from n elements. If each of these pairs is assigned an attractive potential, then the total attractive magnitude between pairs of the same species and the attractive magnitude between different pairs can be calculated. This treatment can be extended to a greater number of first neighbors and then to answer the question about the total or partial solubility between different liquids through the construction of the corresponding mixing Gibbs free energy function.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Energía libre de Gibbs de mezclado]]></kwd>
<kwd lng="es"><![CDATA[Lennard-Jones]]></kwd>
<kwd lng="es"><![CDATA[miscibilidad]]></kwd>
<kwd lng="es"><![CDATA[entropía mezclado]]></kwd>
<kwd lng="en"><![CDATA[Gibbs free energy of mixing]]></kwd>
<kwd lng="en"><![CDATA[Lennard-Jones]]></kwd>
<kwd lng="en"><![CDATA[miscibility]]></kwd>
<kwd lng="en"><![CDATA[entropy of mixing]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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