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Teaching Entropy Analysis in the First-Year High School Course and Beyond
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Abstract
A 16-day teaching unit is presented that develops chemical thermodynamics at the introductory high school level and beyond from exclusively an entropy viewpoint referred to as entropy analysis. Many concepts are presented, such as: entropy, spontaneity, the second law of thermodynamics, qualitative and quantitative entropy analysis, extent of reaction, thermodynamic equilibrium, coupled equilibria, and Gibbs free energy. Entropy is presented in a nontraditional way, using energy dispersal.
Keywords (Audience):
High School / Introductory ChemistryKeywords (Domain):
Physical ChemistryKeywords (Feature):
Chemical Principles RevisitedKeywords (Subject):
ThermodynamicsCiting Articles
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This article has been cited by 7 ACS Journal articles (5 most recent appear below).
Understanding Chemical Equilibrium Using Entropy Analysis: The Relationship Between ΔStot(syso) and the Equilibrium Constant
Thomas H. BindelJournal of Chemical Education2010 87 (7), 694-699Understanding Chemical Equilibrium Using Entropy Analysis: The Relationship Between ΔStot(syso) and the Equilibrium Constant
Thomas H. BindelJournal of Chemical Education2010 87 (7), 694-699Entropy analyses as a function of the extent of reaction are presented for a number of physicochemical processes, including vaporization of a liquid, dimerization of nitrogen dioxide, and the autoionization of water. Graphs of the total entropy change ...
Combining Chemistry and Music To Engage Students’ Interest. Using Songs To Accompany Selected Chemical Topics
Arthur M. LastJournal of Chemical Education2009 86 (10), 1202Combining Chemistry and Music To Engage Students’ Interest. Using Songs To Accompany Selected Chemical Topics
Arthur M. LastJournal of Chemical Education2009 86 (10), 1202The use of recorded music to add interest to a variety of lecture topics is described. Topics include the periodic table, the formation of ionic compounds, thermodynamics, carbohydrates, nuclear chemistry, and qualitative analysis.
Using Graphs of Gibbs Energy versus Temperature in General Chemistry Discussions of Phase Changes and Colligative Properties
Paul J. Fischer , Robert M. Hanson , Patrick Riley and Jeff SchwinefusJournal of Chemical Education2008 85 (8), 1142Using Graphs of Gibbs Energy versus Temperature in General Chemistry Discussions of Phase Changes and Colligative Properties
Paul J. Fischer , Robert M. Hanson , Patrick Riley and Jeff SchwinefusJournal of Chemical Education2008 85 (8), 1142The use of qualitative graphs of Gibbs energy versus temperature is described in the context of chemical demonstrations involving phase changes and colligative properties at the general chemistry level.
Discovering the Thermodynamics of Simultaneous Equilibria. An Entropy Analysis Activity Involving Consecutive Equilibria
Thomas H. BindelJournal of Chemical Education2007 84 (3), 449Discovering the Thermodynamics of Simultaneous Equilibria. An Entropy Analysis Activity Involving Consecutive Equilibria
Thomas H. BindelJournal of Chemical Education2007 84 (3), 449An activity is presented in which the thermodynamics of simultaneous, consecutive equilibria are explored. The activity is appropriate for second-year high school or AP chemistry. Students discover that a reactant-favored (entropy-diminishing or ...
Entropy and the Shelf Model: A Quantum Physical Approach to a Physical Property
Arnd H. JungermannJournal of Chemical Education2006 83 (11), 1686Entropy and the Shelf Model: A Quantum Physical Approach to a Physical Property
Arnd H. JungermannJournal of Chemical Education2006 83 (11), 1686In contrast to most other thermodynamic data, entropy values are not given in relation to a certain—more or less arbitrarily defined—zero level. They are listed in standard thermodynamic tables as absolute values of specific substances. Therefore these ...
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- Received: August 03, 2009
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