Predicting the spontaneous evolution of a chemical system: diagnosis, hints and recommendations

Authors

Keywords:

chemical equilibrium, conceptions, spontaneity, chemical reaction

Abstract

There are many misconceptions students have about predicting the spontaneous evolution of a chemical system and about the state of chemical equilibrium. These misconceptions are tenacious and handicap students up to an advanced level of higher education. It is important to know them in order to adapt its teaching to avoid creating and/or feeding them. Two main problems appear: a misrepresentation of the behaviour of matter in an evolving system and a “fossilization” of the chemical equilibrium (Rota, 2021a, 2021b).

Author Biography

Jean-Baptiste Rota, Académie de Normandie

Docteur dans les Sciences de l’École Normale Supérieure de Lyon (2010). Professeur de chimie en Classes Préparatoires aux Grandes Écoles (2010-2023). Il est actuellement inspecteur d’académie et directeur académique adjoint des services de l’éducation nationale dans le département de la Seine-Maritime.

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Published

2024-03-06

Issue

No. 32 (2023)

Section

Aprenentatge de conceptes i models

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