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Thermochemical Analysis of Neutralization Reactions: An Introductory Discovery Experiment
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Abstract
A guided-inquiry laboratory pedagogy called Discovery Chemistry, in which students discover chemical concepts in the lab and the instructor uses their pooled data to guide the lecture portion of the course, was developed by this chemistry department. A Discovery Chemistry experiment that reinforces the students' understanding of stoichiometry and allows them to discover neutralization reactions and thermochemistry is described. This experiment examines the neutralization of citric acid, lactic acid, and oxalic acid by sodium hydroxide. The comparison of the three acids facilitates the pooling of data and the ability to include testable hypotheses in pre- and post-laboratory discussions, key components of the Discovery process.
Keywords (Audience):
First-Year Undergraduate / GeneralKeywords (Domain):
Laboratory InstructionKeywords (Pedagogy):
Inquiry-Based / Discovery LearningKeywords (Subject):
Acids / BasesCiting Articles
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This article has been cited by 2 ACS Journal articles (2 most recent appear below).
Data Pooling in a Chemical Kinetics Experiment: The Aquation of a Series of Cobalt(III) Complexes: A Discovery Chemistry Experiment
Lisa P. Nestor , Richard S. Herrick and Kenneth V. MillsJournal of Chemical Education2008 85 (8), 1120Data Pooling in a Chemical Kinetics Experiment: The Aquation of a Series of Cobalt(III) Complexes: A Discovery Chemistry Experiment
Lisa P. Nestor , Richard S. Herrick and Kenneth V. MillsJournal of Chemical Education2008 85 (8), 1120An experiment in chemical kinetics as part of our Discovery Chemistry curriculum is described. Discovery Chemistry is a pedagogical philosophy that makes the laboratory the key center of learning for students in their first two years of undergraduate ...
Introducing Undergraduate Students to Electrochemistry: A Two-Week Discovery Chemistry Experiment
Lisa P. Nestor , Mauri A. Ditzler , Kenneth V. Mills , Richard S. Herrick and Louise W. Guilmette , Heather ShaferJournal of Chemical Education2008 85 (8), 1116Introducing Undergraduate Students to Electrochemistry: A Two-Week Discovery Chemistry Experiment
Lisa P. Nestor , Mauri A. Ditzler , Kenneth V. Mills , Richard S. Herrick and Louise W. Guilmette , Heather ShaferJournal of Chemical Education2008 85 (8), 1116Within the framework of a laboratory-focused, guided-inquiry pedagogy, students discover the Nernst equation, the spontaneity of galvanic cells, concentration cells, and the use of electrochemical data to calculate equilibrium constants. The laboratory ...
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- Received: August 03, 2009
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