<?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>S0187-893X2021000300157</article-id>
<article-id pub-id-type="doi">10.22201/fq.18708404e.2021.3.76636</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Aspectos da aprendizagem sobre Equilíbrio Químico em diferentes níveis de cognição]]></article-title>
<article-title xml:lang="en"><![CDATA[Aspects of learning about Chemical Equilibrium at different levels of cognition]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Filho]]></surname>
<given-names><![CDATA[Marco Antonio Bueno]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lopes]]></surname>
<given-names><![CDATA[Edson Cassius Duarte]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal do ABC  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>32</volume>
<numero>3</numero>
<fpage>157</fpage>
<lpage>170</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-893X2021000300157&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-893X2021000300157&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-893X2021000300157&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Foram investigados esquemas de ação utilizados por alunos de graduação envolvendo tarefas sobre equilíbrio químico em diferentes níveis de cognição. As transcrições oriundas do registro audiovisual foram submetidas à Análise Textual Discursiva tendo como base a Teoria dos Campos Conceituais. Os esquemas de ação no campo estrutural molecular envolvendo o equilíbrio químico são caracterizados pelo uso instrumental de conceitos pertinentes ao modelo explicativo cientificamente aceito em concomitância com conceitos que se comunicam com concepções alternativas já relatadas na literatura. Além disso, há diferenças significativas no emprego de conceitos e de invariantes operatórios quando se transitam de tarefas de baixa ordem cognitiva para alta ordem para este mesmo campo de conceitos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this work, we accessed information about the schemes of action used by undergraduate students in tasks bout chemical equilibrium involving different levels of cognition. The transcripts derived from audiovisual recording underwent Discourse Textual Analysis based on the Theory of Conceptual Fields. Schemes of action at the molecular structural field involving the Chemical Equilibrium are characterized by the instrumental use of the relevant explanatory model in tandem with scientifically accepted concepts that communicate with alternative conceptions previously reported in the literature. Furthermore, there are significant differences in the use of concepts and operational invariants when switching from low-order cognitive tasks to high-order for the same concept fields.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Equilíbrio Químico]]></kwd>
<kwd lng="pt"><![CDATA[Invariantes operatórios]]></kwd>
<kwd lng="pt"><![CDATA[Habilidades cognitivas]]></kwd>
<kwd lng="en"><![CDATA[Chemical Equilibrium]]></kwd>
<kwd lng="en"><![CDATA[Operational Invariants]]></kwd>
<kwd lng="en"><![CDATA[Cognitive Skills]]></kwd>
</kwd-group>
</article-meta>
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