Lecture Demonstration Menu Page main

woodcut of a large double-barrelled medieval still

Select a demo to see a brief description of it. To find out more about the demo, proceed to the Demonstrator's Notes. If you are a UO instructor and would like more information on a demonstration or would like to design or modify a demonstration, please feel free to contact the Lecture Demonstrator.

Alkali Metal Reactivity - lithium, sodium, and potassium react with water
Absorption Spectra - dyes and neodymium glass absorb portions of the spectrum
Atmosphere Bar - the end of a long aluminum bar exerts 14 psi
Catalytic Converter-a cutaway of an actual converter shows the inner workings
Cathode Ray Tube- an electron beam can be deflected with a magnetic or electric field
Combustion of Magnesium- magnesium burns brightly in air
Conductivity of Ammonium Acetate - ammonium acetate conducts electricity when it is melted
Conductivity of Acids and Bases - compares conductivity of strong and weak acids and bases
Electrolysis of Water - water is broken down into hydrogen and oxygen
Electrolytes vs. Non-electrolytes - conductivity of strong electrolytes, weak electrolytes, and non-electrolytes is compared
Elements - a collection of elements
Emission Spectra - various gases emit line spectra
Equilibrium Between Nitrogen Dioxide and Dinitrogen Tetroxide - the equilibrium visibly changes with temperature
Ethanol Cannon - combustion of ethanol vapor shoots a stopper out of a bottle
Fifty-five Gallon Drum Crush - atmospheric pressure crushes a drum
Flame Test - flammable solutions of metal salts are sprayed into a burner to create colorful flames
Float or Sink? - water ice floats in water, but solid t-butanol sinks in liquid t-butanol
Frozen Board - an endothermic reaction freezes a beaker to a board
Household Chemicals - a collection of household chemicals
Hydrogen Balloon - a hydogen filled balloon is ignited and explodes
Hydrolysis of Water by Acidic and Basic Ions - solutions of salts cause indicator color changes
Light Sticks - light sticks glow with different intensities at different temperatures
Like Dissolves Like - one pigment dissolves in the organic layer, another in the aqueous layer
Liter Cube - a wooden cubic decimeter is cut up into cubic millimeters
Liquid Nitrogen Balloon - a balloon collapses when liquid nitrogen is poured over it
Liquid Oxygen as an Oxidizing Agent - a cigarette burns fiercely after being immersed in liquid oxygen
Lycopumpkin - lycopodium powder bursts into a fireball when dispersed
Magnesium and Hydrochloric Acid - they react to produce bubbles of hydrogen gas
Mole Sampler - a collection of one mole of various elements and compounds
Orange Juice Clock Reaction - household chemicals turn orange juice black
Paramagnetism of Liquid Oxygen - liquid oxygen is attracted to a magnet
Paramagnetism of Transition Metal Salts - solid salts are attracted to a magnet
Physical and Chemical Properties of Copper - properties of copper are demonstrated
Precipitation of Lead Chromate -formation of a bright yellow precipitate
Precipitation of Lead Iodide -overhead demo forms bright yellow precipitate
Precipitation of Silver Chloride - formation of a white precipitate
Radioactivity - a Geiger counter indicates the presence of radioactive sources
Reaction of Iron and Sulfur - iron combines with sulfur in a glowing, flaming reaction
Reduction of Silver Ion by Copper - silver crystals form on copper
States of Bromine - bromine is cooled to form crystals
Thermite - aluminum and iron oxide react to produce a tremendous amount of heat
Volumetric Glassware - a collection of various devices used to measure volume in the lab
VSEPR Boxes - large molecular models are placed in polyhedral boxes