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Fifty-five Gallon Drum Crush Copper Ammonia ComplexVSEPR Boxes Emission Spectra Copper Ammonia ComplexThermiteCommon Ion EffectConductivity of Ammonium AcetateFrozen boardLiquid Nitrogen Balloon Pi Bond Model Kit

Fifty-five Gallon Drum Crush: This demo is used when the temperature dependence of vapor pressure is being discussed in a unit on the equilibrium.

VSEPR Boxes - A large model set is used to construct each of the 3-D VSEPR shapes

Emission Spectra - samples of various elemental gases are placed in a high-voltage power supply. This demo is usually performed when the electronic structure of the atom is being discussed.

Thermite - spectacular reaction iron oxide and aluminum undergo a single replacement reaction producing great quantities of heat and a stream of molten iron and aluminum oxide. Can be used to demonstrate an exothermic, single replacement, or redox reaction.

Conductivity of Ammonium Acetate: usually presented when the structure of ionic compounds or the nature of the ionic bond is being introduced.

Liquid Nitrogen Balloon: This demo is usually used when the gas laws are being discussed, or when states of matter are being introduced.

Pi Bond Model Kit: This molecular model kit is large enough to be visible by a large lecture class.

Welcome to the University of Oregon Chemistry Department Lecture

This site has been developed primarily as a resource for UO chemistry instructors, but high school and college chemistry and physical science instructors can find a lot of useful information here too. Come on in and look around! Let's do some demos. But remember...be careful and WEAR YOUR GOGGLES!
"Do not do demos unless you are an experienced chemist!"

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© Copyright 2012 Email: Randy Sullivan, University of Oregon Chemistry Department and UO Libraries Interactive Media Group