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The Effects of Temperature on Lightsticks

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J. Chem. Educ., 1999, 76 (1), p 40A

DOI: 10.1021/ed076p40A

Publication Date (Web): January 1, 1999

Abstract

Lightsticks contain dilute hydrogen peroxide in a phthalic ester solvent enclosed in a glass vial, which is surrounded by a solution containing phenyl oxalate ester and a fluorescent dye. When the lightstick is "snapped" and the vial is broken, the two solutions react to produce an intermediate that transfers energy to a dye molecule. Visible light is emitted when the excited dye molecule returns to the ground state. Additional details on chemiluminescence and the reaction can be found in this issue of theJournal and other sources.

Keywords (Audience):

Elementary / Middle School Science

Keywords (Domain):

Laboratory Instruction

Keywords (Feature):

JCE Classroom Activity

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Photochemistry

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

Customized Laboratory Experience in Physical Chemistry
Karen J. Castle and Stephanie M. Rink
Journal of Chemical Education2010 87 (12), 1360-1363
- Customized Laboratory Experience in Physical Chemistry
  Karen J. Castle and Stephanie M. Rink
  Journal of Chemical Education2010 87 (12), 1360-1363
  A new physical chemistry laboratory experience has been designed for upper-level undergraduate chemistry majors. Students customize the first 10 weeks of their laboratory experience by choosing their own set of experiments (from a manual of choices) and ...
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