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The Chemical Bond Studied by IR Spectroscopy in Introductory Chemistry: An Exercise in Cooperative Learning
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Abstract
The concepts of bond strength, resonance, and hydrogen bonding are discovered in freshman chemistry laboratory by taking infrared spectra of organic molecules. In order to allow one or two instruments to serve a laboratory section of 24 students, the experiment is divided up among small groups of students, and methods of cooperative learning are used to allow students doing different sections of the experiment to share their results with the rest of the class. The laboratory is designed so that students can discover certain principles on their own. Using instrumental techniques early in chemistry courses stimulates student excitement and shows students what kind of information is available to chemists at the molecular level.
Keywords (Audience):
First-Year Undergraduate / GeneralKeywords (Domain):
Analytical ChemistryKeywords (Pedagogy):
Collaborative / Cooperative LearningKeywords (Subject):
IR SpectroscopyCiting Articles
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This article has been cited by 9 ACS Journal articles (5 most recent appear below).
Infrared and Raman Spectroscopy: A Discovery-Based Activity for the General Chemistry Curriculum
Karen L. Borgsmiller, Dylan J. O’Connell, Kathryn M. Klauenberg, Peter M. Wilson, and Christopher J. StrombergJournal of Chemical Education2012 Article ASAPInfrared and Raman Spectroscopy: A Discovery-Based Activity for the General Chemistry Curriculum
Karen L. Borgsmiller, Dylan J. O’Connell, Kathryn M. Klauenberg, Peter M. Wilson, and Christopher J. StrombergJournal of Chemical Education2012 Article ASAPA discovery-based method is described for incorporating the concepts of IR and Raman spectroscopy into the general chemistry curriculum. Students use three sets of springs to model the properties of single, double, and triple covalent bonds. Then, ...
Examination of Bond Properties through Infrared Spectroscopy and Molecular Modeling in the General Chemistry Laboratory
Clifford M. Csizmar, Dee Ann Force, and Don L. WarnerJournal of Chemical Education2012 Article ASAPExamination of Bond Properties through Infrared Spectroscopy and Molecular Modeling in the General Chemistry Laboratory
Clifford M. Csizmar, Dee Ann Force, and Don L. WarnerJournal of Chemical Education2012 Article ASAPA concerted effort has been made to increase the opportunities for undergraduate students to address scientific problems employing the processes used by practicing chemists. As part of this effort, an infrared (IR) spectroscopy and molecular modeling ...
A Simple Experiment in the Separation of a Solid-Phase Mixture and Infrared Spectroscopy for Introductory Chemistry
Paul S. SzalayJournal of Chemical Education2008 85 (2), 285A Simple Experiment in the Separation of a Solid-Phase Mixture and Infrared Spectroscopy for Introductory Chemistry
Paul S. SzalayJournal of Chemical Education2008 85 (2), 285This experiment was developed as a means of incorporating instrumental analyses into an introductory chemistry laboratory. A two-component solid mixture of caffeine and ibuprofen is separated through a series of solution extractions and precipitation and ...
Preparation and Characterization of Bayerite Samples: Use of Diffuse Reflectance Infrared Spectroscopy to Monitor Purification
Nsoki Phambu , Bernard Humbert and Andre BurneauJournal of Chemical Education2002 79 (9), 1117Preparation and Characterization of Bayerite Samples: Use of Diffuse Reflectance Infrared Spectroscopy to Monitor Purification
Nsoki Phambu , Bernard Humbert and Andre BurneauJournal of Chemical Education2002 79 (9), 1117We show here how bayerite, a polymorphic form of aluminum trihydroxides, can be synthesized and characterized by simple spectroscopic methods. Purification of the product by washing with water can be monitored by diffuse reflectance infrared spectra. A ...
Student-Directed Learning in the Organic Chemistry Laboratory
Martha A. HassJournal of Chemical Education2000 77 (8), 1035Student-Directed Learning in the Organic Chemistry Laboratory
Martha A. HassJournal of Chemical Education2000 77 (8), 1035A cooperative, student-directed experience was designed and implemented for the organic chemistry laboratory. Ten traditional organic chemistry experiments were performed by students working in groups of three or four to complete the experiment and ...
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- Received: August 03, 2009
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