This presentation will show how microscopic representations have been used successfully to teach the concept of equilibrium at a community college to underprepared students. After a laboratory experiment on Le Chatelier's Principle, second semester general chemistry students were given post-lab questions where they had to draw before and after pictures of several chemical equilibriums.  The results of these questions will be shown and discussed along with applications for both the lecture and lab classrooms.

Teaching equilibrium by using microscopic representations

245th National Meeting (2013)

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