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  Home > JCE Print > Journal of Chemical Education > Issues > 2004  > June  >
In the Laboratory
Second-Year and AP Chemistry
Using a Datalogger To Determine First-Order Kinetics and Calcium Carbonate in Eggshells
Martin M. F. Choi and Pui Shan Wong
Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, SAR, China
Cover
June 2004
Vol. 81 No. 6
p. 859
Abstract
The purpose of this article is to demonstrate the use of a datalogger in conjunction with a pressure sensor to monitor the generation of carbon dioxide when calcium carbonate is in contact with hydrochloric acid. This method is used to determine the calcium carbonate content in eggshells. This experiment provides hands-on experience for students in an advanced placement or second-year high school level chemistry course to gain understanding of a pseudo first-order reaction and determine the major component of eggshells.
Supplement
Instructions for the students and notes for the instructor are available.
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*  Citation
 Choi, Martin M. F.; Wong, Pui Shan. J. Chem. Educ. 2004 81 859.
*  Keywords
 Analytical Chemistry; Calcium; Food Science; General Chemistry; Introductory / High School Chemistry; Kinetics; Laboratory Instruction; Microscale; Physical Chemistry; Quantitative Analysis
*  History
 Created:
Last Updated:		 May 2, 2004
January 21, 2005
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