Acid-base equilibria, Part I: Upper secondary students"™ misconceptions and difficulties

 
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Acid-base equilibria, Part I: Upper secondary students"™ misconceptions and difficulties (EN)

Demerouti, M. (EN)

Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας (EL)
Demerouti, M. (EN)

Although several aspects of acid-base chemistry have been treated in the science education literature, a number of issues concerning acid-base equilibria have received little attention. In this paper, the misconceptions of a sample of twelfth-grade Greek students on the subject of acid-base equilibria are explored. Students"™ misconceptions and difficulties in understanding and applying the relevant concepts were categorized into seven categories: (a) dissociation and ionization, (b) definition of BrΓΈnsted-Lowry acids and bases, (c) ionic equilibria, (d) acid-base neutralization, (e) pH, (f) buffer solutions, and (g) degree of ionization. (EN)

Research in Teaching and Learning (EN)


The Chemical Educator (EN)

English

2004




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