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  Home > JCE Print > Journal of Chemical Education > Issues > 2006  > October  >
In the Classroom
JCE DigiDemos: Tested Demonstrations
Job's Analysis of the Range of the "Dalton Syringe Rocket"
Natalie Barto, Brandon Henrie, and Ed Vitz
Department of Physical Sciences, Kutztown University, Kutztown, PA 19530

checked by Bruce Mattson
Department of Chemistry, Creighton University, Omaha, NB 68178

Cover
October 2006
Vol. 83 No. 10
p. 1505

Abstract
An apparatus for safely igniting fuel gas/oxygen mixtures in a syringe and measuring the distance that the syringe is propelled is presented. The distance (range) is analyzed by the method of continuous variation (Job's Method) to determine the stoichiometry of the reaction. The applicability of Job's method is discussed to explain the results.
Supplement
Construction details, thermodynamic and kinetic explanations, information on limits of explosivity are available.
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Contents
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Citation
Barto, Natalie; Henrie, Brandon; Vitz, Ed. J. Chem. Educ. 2006 83 1505.
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Keywords
Demonstrations; First-Year Undergraduate / General; Gases; Hands-On Learning / Manipulatives; High School / Introductory Chemistry; Inquiry-Based / Discovery Learning; Oxidation / Reduction; Physical Chemistry; Stoichiometry; Thermodynamics
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History
Created:
Last Updated:
8/23/2006
8/30/2006
 Caution! 
Experiments, laboratory exercises, lecture demonstrations, and other descriptions of the use of chemicals, apparatus, instruments, computers, and computer interfaces are presented in the Journal of Chemical Education as illustrative of new or improved ideas or concepts in chemistry instruction and are directed at qualified teachers. Although every effort is made to assure and encourage safe practices and safe use of chemicals, the Journal of Chemical Education cannot assume responsibility for uses made of its published materials. Many chemicals are hazardous. Precautions for the safe use of hazardous chemicals and directions for their proper disposal are described in the Material Safety Data Sheets and on the labels. We strongly urge all those planning to use materials from our pages to make choices and to develop procedures for laboratory and classroom safety in accordance with local needs and situations.
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