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LabWorks and the Kundt's Tube: A New Way To Determine the Heat Capacities of Gases

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Philip A. Bryant and Matthew E. Morgan

Department of Chemistry, U.S. Air Force Academy, Colorado Springs, CO 80840

J. Chem. Educ., 2004, 81 (1), p 113

DOI: 10.1021/ed081p113

Publication Date (Web): January 1, 2004

Section:

History, Education, and Documentation

Abstract

Computer-controlled data acquisition is rapidly becoming the rule rather than the exception in chemistry laboratories. The LabWorks learning system is one of many computer-controlled data acquisition interfaces that allows students to quickly obtain and analyze chemistry data. This project involved adapting a classic physical chemistry experiment to using this modern data acquisition and analysis system. Heat capacities were measured for argon, nitrogen, and carbon dioxide gases using a fixed-length Kundt's tube. Measured heat capacities were determined to be within 4% of accepted values.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Physical Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Gases

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