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A Text For Engineering Education In The 21 St Century 2: A Sample Study Unit

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2009 Annual Conference & Exposition


Austin, Texas

Publication Date

June 14, 2009

Start Date

June 14, 2009

End Date

June 17, 2009



Conference Session

NSF Grantees Poster Session

Page Count


Page Numbers

14.132.1 - 14.132.11

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Paper Authors

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Carl Lund State University of New York, Buffalo

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NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract

A. Introduction 1. Definitions B. Review 1. Stoichiometry 2. Quantifying Reaction Progress 3. Reaction Energetics 4. Reaction Equilibrium II. Chemical Reaction Rates A. Introduction (2 Study Units) B. Generating Kinetic Data (9 Study Units) C. Proposing a Rate Expression (12 Study Units) D. Validating a Rate Expression (5 Study Units) III. Engineering of Ideal Chemical Reactors A. Introduction (3 Study Units) B. Perfectly Mixed Batch Reactors (4 Study Units) C. Continuous Flow Stirred Tank Reactors (7 Study Units) D. Plug Flow Reactors (4 Study Units) E. Matching Reactors to Reactions (9 Study Units) IV. Non-Ideal Reactions and Reactors A. Alternatives to the Ideal Reactor Models (5 Study Units) B. Coupled Chemical and Physical Kinetics (10 Study Units)

The Study Unit on “Reaction Equilibrium” from part I, section B (Study Unit 4) is representative of a typical Study Unit and has been selected for use here. Students taking the course using the TExT would have the following resources available to them for this Study Unit: a list of learning objectives, an information reading, an information video, an examples reading, an examples video, and several additional problems (some with and some without solutions). All provided solutions include a grading rubric, as already mentioned.

As the outline shows, the “Reaction Equilibrium” study unit is encountered early in the course. Prior to this unit, the students will have learned how to quantify the composition of reacting mixtures through the use of reaction progress variables including the fractional conversion and the extent of reaction. They will also have learned how to calculate the enthalpy, entropy and Gibbs free energy changes accompanying a chemical reaction by making use of the fact that these are state functions.

TExT Components for the Students

In the “Reaction Equilibrium” study unit, the students are provided with the following objectives: After completing this unit, the student should be able to 1. write and use the equation for the equilibrium constant at 298 K in terms of the standard Gibbs free energy change at 298 K. 2. write and use the equation for the equilibrium constant at any temperature T in terms of the equilibrium constant at 298 K and the (temperature-dependent) standard heat of reaction. 3. write and use the equation relating the equilibrium constant for a reaction to the thermodynamic activities of the participant species.

Lund, C. (2009, June), A Text For Engineering Education In The 21 St Century 2: A Sample Study Unit Paper presented at 2009 Annual Conference & Exposition, Austin, Texas.

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