Coordenada de reacció? Authors Claudi Mans i Teixidó Abstract This article analyses the subject of Reaction kinetics in several high school and university textbooks. Some contradictions are detected, mainly related to the concept of energy activation, especially in how it is graphically presentated. It is proposed that the didactics of the topic explicitly include the distinction between the macroscopic level of description, more related to thermodynamics, and the more mechanical atomic and molecular level of description. Other concepts which can produce confusion such as the reaction coordinate and reaction path are also discussed. Downloads Text complet (Català) Published 2012-10-10 Issue No. 11 (2012) Section Conceptes i models químics License The intellectual property of articles belongs to the respective authors.On submitting articles for publication to the journal Educació Química, authors accept the following terms:Authors assign to Societat Catalana de Química (a subsidiary of Institut d’Estudis Catalans) the rights of reproduction, communication to the public and distribution of the articles submitted for publication to Educació Química.Authors answer to Societat Catalana de Química for the authorship and originality of submitted articles.Authors are responsible for obtaining permission for the reproduction of all graphic material included in articles.Societat Catalana de Química declines all liability for the possible infringement of intellectual property rights by authors.The contents published in the journal, unless otherwise stated in the text or in the graphic material, are subject to a Creative Commons Attribution-NonCommercial-NoDerivs (by-nc-nd) 3.0 Spain licence, the complete text of which may be found at https://creativecommons.org/licenses/by-nc-nd/3.0/es/deed.en. Consequently, the general public is authorised to reproduce, distribute and communicate the work, provided that its authorship and the body publishing it are acknowledged, and that no commercial use and no derivative works are made of it.Educació Química is not responsible for the ideas and opinions expressed by the authors of the published articles.
