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A brief review on the contribution to the knowledge of the difficulties and misconceptions in understanding the chemical equilibrium.

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A brief review on the contribution to the knowledge of the difficulties and misconceptions in understanding the chemical equilibrium.

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dc.contributor.author García Lopera, Rosa María
dc.contributor.author Calatayud Aleixandre, María Luisa,
dc.contributor.author Hernández, J.
dc.date.accessioned 2015-05-14T12:23:29Z
dc.date.available 2015-05-14T12:23:29Z
dc.date.issued 2014
dc.identifier.citation García Lopera, Rosa María Calatayud Aleixandre, María Luisa, Hernández, J. 2014 A brief review on the contribution to the knowledge of the difficulties and misconceptions in understanding the chemical equilibrium. Asian Journal of Education and e-Learning 2 06 448 463
dc.identifier.uri http://hdl.handle.net/10550/43805
dc.description.abstract The existence and persistence of errors in the understanding of chemical equilibrium denotes student"s difficulties in learning and also in teaching methodologies. The knowledge of these difficulties, in depth, can help teachers to try to overcome them. This work is a review together with new contributions on the chemical equilibrium misconceptions analyzed by a group of university and high school teachers. On the one hand, we pretend to collect some of most common difficulties that students, from high school and university, show in re lation to chemical equilibrium and Le Chatelier's Principle application. On the other hand, we also intend to analyze the possible causes and even, ocasionally, make suggestions of activities to help teachers to improve the topic. This work collects difficulties and misconceptions related with basic concepts of equilibrium (system type, forward and reverse reaction rates, stoichiometry, catalyst function, equilibrium constant and reaction quotient, changes of equilibrium constant with temperature and concentration...); as well as with the understanding and the prediction of the direction of change in the equilibrium position by changing different variables such us composition, volume, pressure or temperature. Finally, educational implications addressed to the teachers have been underlined in order to amend the observed mistakes by alerting students and changing methodologies. In order to not excessively lengthen the study, ionic equilibria have not been addressed. Moreover, the work makes special emphasis on the most common and significant conceptual errors but, obviously, is not an exhaustive revision of all the possible misconceptions.
dc.language.iso eng
dc.relation.ispartof Asian Journal of Education and e-Learning, 2014, vol. 2, num. 06, p. 448-463
dc.subject Equilibri químic
dc.title A brief review on the contribution to the knowledge of the difficulties and misconceptions in understanding the chemical equilibrium.
dc.type journal article es_ES
dc.date.updated 2015-05-14T12:23:29Z
dc.identifier.idgrec 101705
dc.rights.accessRights open access es_ES

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