Activity
Modeling Dynamic Equilibrium with Coins
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Abstract
High school and beginning students begin with a concrete operation of moving piles of small objects between two piles. Initially one set of rate constants for the movement is given, and the size of the piles is determined in subsequent rounds until the size of the piles stabilizes. Subsequently the effects of other factors, such as the initial size of the piles and the ratio of the forward and reverse rates on the final equilibrium may be examined. An opportunity to develop a computer analysis is also given.
Keywords (Audience):
High School / Introductory ChemistryKeywords (Domain):
Physical ChemistryKeywords (Feature):
JCE Classroom ActivityKeywords (Pedagogy):
Hands-On Learning / ManipulativesKeywords (Subject):
Computational ChemistryCiting Articles
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This article has been cited by 3 ACS Journal articles (3 most recent appear below).

Improving High School Chemistry Teaching via the “Trickle Up” Effect: A Perspective on the New AP Chemistry Curriculum Framework
Gregory T. RushtonJournal of Chemical Education2012 89 (6), 692-693Improving High School Chemistry Teaching via the “Trickle Up” Effect: A Perspective on the New AP Chemistry Curriculum Framework
Gregory T. RushtonJournal of Chemical Education2012 89 (6), 692-693The redesign for the advanced placement chemistry course has been completed, and its impact is expected to be felt both by those in K–12 classrooms and in higher education settings when it is enacted nationwide next year. A “trickle up” effect to college-...

Model Engagement for Your Students
Deanna M. CullenJournal of Chemical Education2012 89 (5), 565-566Model Engagement for Your Students
Deanna M. CullenJournal of Chemical Education2012 89 (5), 565-566Students must engage in their learning to develop a deep understanding of the content that we wish to share. Teachers and students alike can benefit when a teacher models their own engagement in professional development activities and research. This ...

An Updated Equilibrium Machine
Emeric SchultzJournal of Chemical Education2008 85 (8), 1131An Updated Equilibrium Machine
Emeric SchultzJournal of Chemical Education2008 85 (8), 1131A device that can demonstrate equilibrium, kinetic, and thermodynamic concepts is described. The device consists of a leaf blower attached to a plastic container divided into two chambers by a barrier of variable size and form. Styrofoam balls can be ...
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History
- Received: August 03, 2009
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