# All Demos

## Absorption of Colored Light by Blood

A bright red LED light shines easily through your thumb, but green doesn't.

## Absorption Spectra

Dyes and neodymium glass absorb portions of the spectrum.

## Acid-Base Titration Computer Simulation

Acid-Base Titration Computer Simulation A visual approach to learning how to perform acid-base titration procedures, techniques anda the application of sstoichiometry to acid-base titration calculations

## Activity Series of Metals

An activity series of metals is induced from the redox reactions of various metals in ionic salt solutions.

## Activity Series of Metals Computer Simulation

Activity Series of Metals Computer Simulation

## Aldol Clock

A solution of cinnamaldehyde and acetone suddenly turns bright yellow after induction period.

## Alkali Metal Reactivity

Lithium, sodium, and potassium react vigorously with water.

## Amonton's Law

Pressure varies as the temperature is changed.

## Atmosphere Bar

The end of a long aluminum bar exerts 14 psi.

## Avalanche!

Students investigate the factors that affect avalanches.

## Beer's Law

A flask filled with orange solution demonstrates the dependance of absorbance on path length.

## Boiling Cold Water

Water boils at room temperature when pressure is reduced by using a vacuum pump.

## Boyle's Law Computer Simulation

Boyle's Law Computer Simulation

## Bromination of Acetone

Solution turns from yellow-orange to colorless.

## Bromination of Pringles

Crushed potato chips remove bromine vapor from flask.

## Buffer Capacity

Acid and base added to buffers of various concentrations to show capacity and how it is affected.

## Buffer Capacity of Alka-Seltzer™

Different size tablets of Alka-Seltzer™ dissolved in water will neutralize different amounts of acid and base.

## Buffer Solution (Acetic Acid/Acetate) vs. Water pH

The pH of an acetic acid/sodium acetate buffer solution is compared to the pH of water. The buffer soluiton resists the change in pH when acid and base are added.

## Buffer solution pH Computer Simulation

Buffer solution pH Computer Simulation measure the pH of various solutions created by mixing a weak acid (i.e. acetic acid) with the salt of the weak acid (i.e. sodium acetate).

## Calorimetry Computer Simulation NEW html5 version

Calorimetry Computer Simulation is used to determine the heat exchanged in a variety of physical and chemical processes. NEW html5 version

## Calorimetry Heat of Solution Computer Simulation

A computer simulation designed to simulate a calorimeter experiment. Determine the heat of solution of a salt. Dissolving various substances in water, measure the mass of the salt, the intial temperature of the water, and the final temperature of the resultant solution.

## Calorimetry:Heat Exchange Hot Metal in Cold Water Computer Simulation

Calorimetry: Hot Metal in Cold Water Heat Exchange Computer Simulation Old Flash-Based

## Capillary Action

Colored water is carried up glass tubes by capillary action.

## Catalytic Converter

A cutaway of an actual converter shows its inner workings.

## Cathode Ray Tubes

An electron beam in a catahode ray tube can be deflected with a magnetic or electric field. An electron beam can cause a pinwheel in a CRT to turn. When an object is placed in the path of an electron beam, the rays cast a shadow.

## Charles' Law Computer Simulation

Charles' Law Computer Simulation

## Cheeto Calorimetry

A burning Cheeto heats water. Temperature rise is monitored.

## Chemical Kinetics Experiment Computer Simulation

Chemical Kinetics Experiment Computer Simulation

## Citric acid vs. Hydrochloric acid Concentration and Conductivity

Citric acid vs. Hydrochloric acid Concentration and Conductivity

## Colligative Property: BoilingPt/FreezingPt Experiment Comptuer Simulation

Colligative Property: BoilingPt/FreezingPt Experiment Comptuer Simulation

## Combustion of Componds Stoichiometry Computer Simulation New HTML5 Version

Stoichiometry Computer Simulation New HTML5 Version https://media.pearsoncmg.com/bc/bc_0media_chem/chem_sim/html5/stoich/Stoich.php

## Combustion of Magnesium

Magnesium burns brightly in air.

## Combustion of Propane

Combustion of Propane

## Common Ion Effect

The addition of concentrated hydrochloric acid to a saturated solution of sodium chloride causes solid sodium chloride to precipitate out.

## Comparing Specific Heats of Metals

Comparing Specific Heats of Metals

## Conductivity of Acids and Bases

Compares conductivity of strong and weak acids and bases.

## Conductivity of Ammonium Acetate

Ammonium acetate conducts electricity when it is melted.

## Conductivity of Electrolytes Demonstration

When a current is applied to an aqeous solution, strong electrolyte solutions light up a light bulb, weak electrolyte solutions dimly light a bulb, and nonelectrolyte solutions do not light a bulb.

## Conductivity Testing of Electrolytes Computer Simulation

Conductivity Testing of Electrolytes Computer Simulation

## Conservation of Mass

Flashbulb weighs the same before and after ignition.

## Copper and Nitric Acid

Nitric acid reacts with copper metal to produce reddish-brown nitrogen dioxide gas.

## Copper-Ammonia Complex

Copper chloride solution forms a pale blue precipitate then a deep blue solution as ammonia is added.

## Counting Units

A pairs, a dozen, a six-pack, a gross, and a ream are used to introduce the mole.

## Crystal Cleavage

Sodium chloride crystals cleave evenly along an orthogonal plane.

## Crystal Models

A collection of thirteen models of metallic and ionic crystal lattices for display in classroom.

## Decomposition of Silver Oxide

Black silver oxide yields metallic silver and oxygen gas.

## Demo Show Demo Descriptions

Descriptions and risk management plans of all demos used in demo shows.

## Demo Spreadsheet

An Excel spreadsheet to aid instructors in the selection of demos.

## Density

Containers filled with equal volumes of substances of varying densities.

## Determine the Identity of a Substance Computer Simulation

Determine the Identity of a Substance Computer Simulation

## Dissolving an ionic salt in water Computer Simulation and Computer Animation

A short computer animation illustration how positive and negative ions in a solid ionic compound dissolve in water might be used to accompany dissolving satls in water demonstration. https://www.youtube.com/watch?v=betbKEJf7jQ

## Dissolving Ionic Salts in Water Demonstration

Several ionic salts (calcium chloride, ammonium nitrate, potassium chloride, magnesiium sulfate, lithium chloride, anhydrous sodium acetae, anhydrous sodium carbonate) are dissolved in water in a calorimeter. A thermomters measures the intitial temperature of the water and the final temperature of the resultant solution. Dissolving ionic salts in water can be used to illustrate formation of Solutions, Enthalpy, Lattice Energy, etc.

## Dry Erase Markers

Students can write on the walls of Columbia 150 using dry-erase markers.

## Dry Ice Bubbles

Soap bubbles float in a glasss tank filled with carbon dioxide.

## Effusion of Gases Experiment Computer Simulation

Effusion of Gases Experiment Computer Simulation

## Electrochemical Cells Computer Simulation Concentration Cells Nernst Cells

Electrochemical Cells Computer Simulaiton Voltaic Cells Concentration Cells Nernst Cell

## Electrochemical Cells Computer Simulation: Voltaic Cells: Zn Cu Ag

Computer Simulation of various voltaic cells involving Zn Cu and Ag metal electrodes and aqueous solutions of zinc sulfate, copper(II) sulfate, and silver nitrate. Choices of concetration of solutions are available to investigate concentration cells. Computer animations of the oxidation and reduction half-reaction processes occuring in electrochemical cells: Voltaic Cells. Computer Animations of the migration of ions in a salt brdige and the movement of electrons in a wire.

## Electrolysis Computer Simulation New HTML5 Version

Electrolysis metal-metal cells computer simulation New HTML5 Version http://media.pearsoncmg.com/bc/bc_0media_chem/chem_sim/html5/Electro/Electro.php

## Electrolysis Lectureless Presentation

Electrolysis Lectureless PowerPoint Notes

## Electrolysis of Water

Water is broken down into hydrogen and oxygen.

## Electrolysis Part 1 POGIL Activity

Electrolysis Part 1 POGIL Activity

## Electrolytes vs. Non-electrolytes

Conductivity of strong electrolytes, weak electrolytes, and non-electrolytes is compared.

## Electrolytic Cell: Plating copper on copper

Electrolytic Cell: two copper electrodes in 1.0 M CuSO4(aq) are connected to a D.C. Power Supply. When current is applied to the electrolysis cell copper(II) ions iare reduced to copper atoms at the cathode and copper atoms are oxidized to coppere(II) ions at the anode. The time to plate the metal is recorded along with the current (amps).

## Electrolytic Cell: Plating Zinc on Copper Demo

Zinc metal is plated onto a copper electrode by electrolysis.

## Elements

A collection of elements.

## Elephant's Toothpaste

Rapid decomposition of hydrogen peroxide shoots up a column of suds.

## Emission Spectra

Various gases emit line spectra.

## Entropy ParaDice

A classroom set of two six-sided dice per student (one red and one white) provides an interactive activity that helps students to understand the nature of entropy.

## Ethanol Cannon

Combustion of ethanol vapor shoots a stopper out of a bottle.

## Exothermic and Endothermic Reactions: Hot and Cold Packs

When calcium chloride dissoves in water the resultant solution becomes hot. When ammonium chloride disssolves in water the resultant solution becomes cold.

## Fehling Test

When blue Fehling's reagent is added to glucose and fructose solution a brick-red precipitate forms - no rxn with sucrose.

## Ferrofluid

Liquid is attracted to a magnet.

## 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.

## Flaming Coffee Creamer

Coffee creamer flares up when poured on torch flame.

## Float or Sink?

Water ice floats in water, but solid t-butanol sinks in liquid t-butanol.

## Freezing-point depression and boiling-point elevation Computer Simulation

Colligative Properties of Solutions: Freezing-point depression and boiling-point elevation. A computer simulation

## Frozen Board: An endothermic reaction

An endothermic reaction freezes water and a beaker to a board.

## Gas Law: Manometer Computer Simulation

Gas Law: Manometer Computer Simulation

## Graham's Law: Diffusion of ammonia gas and HCl(g)

A cloud of white ammonium chloride forms at the mouth of a flask contianing HCl.

## Heat of Neutralization: HCl(aq) + NaOH(aq)

Heat of Neutralization: The initial temperature of 50.0 mL of 3.0 M HCl and a 3.0 M NaOH are measured using a digital thermometer probe. The HCl and NaOH react a calorimeter. The final temperature of the resultant solution is measured. The heat exchanged between the chemcial reaction and the solution is calculated. The change in enthalpy of the reaction, ∆H, the heat of neutralization is determined.

## High Density vs Low Density Polyethylene

Hands-on activity compares properties of plastics.

## Household Chemicals

A collection of household chemicals for exhibit in the classroom.

## Household Fenton's Reagent

Potassium hydrogen tartrate is oxidized to produce carbon dioxide in an exothermic reaction.

## How Hefty Is That Bag?

Classroom activity compares properties of polymers.

## Hydrogen Balloon

A hydrogen filled balloon is ignited and explodes.

## Hydrolysis of Salts

Solutions of salts cause indicator color changes.

## Indicator Cylinder

Dry ice changes the colors of a universal indicator solution.

## Intermolecular Force Activity

Students work in pairs to model intermolecular forces by labeling and manipulating plastic arrows and rectangles.

## Iodine Clock Kinetics Demonstration

After a brief induction period, this clear solution turns suddenly blue.

## Ionization Energies of Elements Computer Simulation

Ionization Energies of Elements Computer Simulation

## Iron and Oxygen

Steel wool burns brilliantly in pure oxygen.

## Kinetic Molecular Theory Computer Simulation

Kinetic Molecular Theory Computer Simulation

## Le Chatelier's Principle - Copper Ion

A copper(II) chloride solution alternates between blue and green when ligand concentrations change.

## Lightstick Mechanism

A chemiluminescent base-catalyzed nucleophilic acyl substitution reaction.

## Lightstick Reaction Rates

Light sticks glow with different intensities at different temperatures.

## Like Dissolves Like

One pigment dissolves in the organic layer, another in the aqueous layer.

## Limiting Reactant: Reaction of Mg with HCl

Limiting Reactant: Reaction of Mg with HCl The amount of hydrogen gas produced by the reaction of three different quantities of Mg in the same numbere of moles of HCl is observed. Students are provided with the moles of magnesium and moles of hydrochloric acid and are asked to predict the relative amount of hydrogen gas produced in each reaction. Students determine the limiting reagent in each flask.

## Liquid Carbon Dioxide

Dry ice melts and boils at the same time.

## 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.

## Liter Cube

A wooden cubic decimeter is cut up into cubic millimeters.

## Lycopumpkin

Lycopodium powder bursts into a fireball when dispersed.

## Magnesium and Hydrochloric Acid

Magnesium metal reacts with hydrochloric acid react to produce bubbles of hydrogen gas and aqueous magnesium chloride.

## Manometer Computer Simulation

Manometer Computer Simulation

## Migration of ions During a Conductivity Test of NaCl(aq) Computer Animation

Migration of ions During a Conductivity Test of NaCl(aq) Computer Animation

## Mole Ball and Box

A beach ball and a wooden box show how big a mole of gas is.

## Mole Sampler

A collection of one mole of various elements and compounds. "Testing"

## NO2/N2O4 Equilibrium Computer Simulation

NO2/N2O4 Equilibrium Computer Simulation

## NO2/N2O4 Equilibrium Demonstration

The equilibrium visibly changes with temperature.

## Nuts and Bolts Periodicity

Hardware illustrates the nature of periodicity.

## One In A Million

A transparent globe filled with about a million nonpariels.

## Orange Juice Clock Reaction

Household chemicals turn orange juice black.

## Orbital Viewer

Modeling program for molecular orbitals.

## Oregon Young Scholars Program

Hi, young scholars! Look here for postings and downloads and stuff..

## Outreach Program Document Templates

Template documents for approved chemistry demonstration outreach program.

## Paramagnetism of Liquid Oxygen

Liquid oxygen is attracted to a magnet.

## Paramagnetism of Transition Metal Salts

Solid salts are attracted to a magnet.

## pH measurement of acid, base and ionic salt solutions Computer Simulation

pH measurement of acid, base and ionic salt solutions Computer Simulation Measure the pH of various solutions.

## Photoelectric Effect

UV light discharges a negatively charged zinc plate.

## Physical/Chemical Properties of Copper

Properties of copper are demonstrated.

## Pi Bond Model Kit

Large-scale molecular model kit depicts pi bond orbitals.

## Precipitation of Lead Chromate

Formation of a bright yellow precipitate.

## Precipitation of Lead(II) Iodide

When lead(II) nitrate and potaasium iodide are mixed in water, students observe the formation of a bright yellow precipitate, lead(II) iodide.

## Precipitation of Silver Chloride

Formation of a white precipitate.

## Properties of An Ionic Salt

A crystal of sodium chloride does not conduct, but when it is pulverized and dissolved it does.

## Properties of Polymers

In this hand-on class activity, samples of various polymers classes illustrate variable properties within and between classes.

## Radioactivity

A Geiger counter indicates the presence of radioactive sources.

## Reaction of Aluminum and Bromine

Bromine and aluminum react to produce yellow light and orange vapor.

## Reaction of Iron and Sulfur

Iron combines with sulfur in a glowing, flaming reaction.

## Reaction of potassium with water

Reaction of potassium with water

## Reaction of Zinc and Copper(II) Ion

Copper plates out on a strip of zinc immersed in a solution of copper(II) ion.

## REDOX Titration in Acidic Solution Computer Simulation

REDOX Titration in Acidic Solution Computer Simulation

## Reduction of Silver Ion by Copper

Silver crystals form on copper.

## Relative Evaporation Rates

A drop of acetone evaporates much faster than a drop of water.

## Rutherford's Gold Foil Experiment

A video compuer simulation of Rutherford's Gold Foil Experiment

## Seethrough Lead-Acid Battery

A transparent casing shows the "guts" of a car battery.

## Small Scale Model Kits

A high quality set of molecular model kits that students can use at their seats.

## Solubility of Carbon Dioxide

Two bottles of carbonated water are opened, one cold and one warm and agitated. The warm one spurts all over.

## Spec 20: [CoCl4]2- Computer Simulation

Spec 20: [CoCl4]2- Computer Simulation

## Spontaneous Dehydration of Sucrose

The spontaneous dehydration of sugar grows gray-black.

## Standing Waves

Standing waves are generated in a weighted length of rubber tubing.

## States of Bromine

Bromine is cooled to form crystals.

## SuperChem 221 Schedule

This page allows you to view the current Superchem schedule. Please do not click the "Schedule Demo" button.

## Supersaturated Sodium Acetate

Crystals of sodium acetate grow very quickly.

## Synthesis of Nylon

When two immiscible solutions are poured into a dish, solid nylon forms at the interface.

## Thermal Motion of Atoms in a Metal Computer Simulation

A computer simulation of the motion of atoms in a metal as a function of energy.

## Thermite Reaction: aluminum reacts with iron(III) oxide

Aluminum and iron (III) oxide react to produce molten iron, aluminum oxide, and a tremendous amount of heat.

## Tyndall Effect

Light is scattered by a suspension of ferric oxide in water.

## Vapor Pressure of Solutions Computer Simulation

Vapor Pressure of Solutions Computer Simulation

## Vapor Pressure of Solutions Computer Simulation

Vapor Pressure of Solutions Computer Simulation

## Vapor Pressure of Solutions III Computer Simulation

Vapor Pressure and Osmotic Pressure of Solutions III Computer Simulation

## Videorecording Session

Record videos and post them to the web.

## Viscosity

A small metal ball falls much more slowly through glycerine than through water.

## Voltaic Cell: Zinc/Copper Electrochemcial Cell E° = 1.10 V Demonstration

A standard Zinc/Copper Voltaic Cell: Zn(s) in 1.0 M zinc sulfate solution, Cu(s) in a 1.0 M copper(II) sulfate solution, salt bridge and voltmeter, E°cell = +1.10 Volts.

## Voltaic Cell: Cu/Cu concentration cell Demo

Voltaic Cell: Cu/Cu concentration cell

## Voltaic Cell: Standard Hydrogen Electrode Computer Animation

A computer animation representing what occurs at the Pt(s) electrode of a standard hydrogen electrode (SHE)

## Voltaic Cell: Standard Hydrogen Electrode Demo

A Standard Hydrogen Electrode is used to show the E°cell generated when a SHE is connected to a zinc or a copper half-cell.

## Volumetric Glassware

A collection of various devices used to measure volume in the lab.

## VSEPR Boxes

Large molecular models are placed in polyhedral boxes.

## VSEPR Ropes

In-class activity makes sense of VSEPR shapes.

## VSEPR Student Model Kits

High quality plastic individual model kits for VSEPR configurations.

## What's In A Name? Part 1: Comparing KCl(aq) and aqeous potassium chlorate reactions with aqueous silver nitrate; Part 2: Comparing hot KCl vs potassium chlorate reaction with sugar ("Gummi Bear")

The non-reaction of potassium chloride with sucrose is contrasted with the reaction of potassium chlorate with sucrose to illustrate the importance the structure of anions and of nomenclature details.

## Zinc Complex Ion Formation

Zinc ion is precipitated by sodium hydroxide. The addition of more hydroxide redissolves the precipitate.

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