Session S30a (Monday, 2pm, Osmond 119)

P216: Demonstrations with lightsticks and simple materials

Thomas Kuntzleman (Spring Arbor University, USA)

Several physicochemical processes work in tandem to produce the familiar chemiluminescent glow of lightsticks (aka glowsticks).  Consequently, a rich assortment of chemical principles can be demonstrated using lightsticks.  For example, certain dyes can be mixed with the liquid contents obtained from a glowing white lightstick to produce a variety of emissive colors.  A variety of other simple experiments – using only glowsticks and household items – can be performed to shed light on a variety of chemical concepts.  Acid-base chemistry, absorption and fluorescence, thermochemistry, chemical kinetics and redox chemistry are all possible topics of discussion.


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