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JCE DigiDemos Collection

This is a list of DigiDemos derived from JCE Tested Demonstrations in reverse chronological order (most recent first).

  Title New Msgs Author Items Latest Msg
Outline [ D ]

Thin-Layer Fuel Cell for Teaching and Classroom Demonstrations

 

Ed Vitz

2

References - Ed Vitz: 23 Feb 2009 5:16 pm

Outline [ D ]

Illustrating the Concept of Sparingly Soluble Salts Using Various Copper Compounds

 

Ed Vitz

2

References - Ed Vitz: 23 Feb 2009 4:48 pm

Outline [ D ]

Fog Machines, Vapors, and Phase Diagrams

 

Ed Vitz

2

References - Ed Vitz: 23 Sep 2008 10:50 am

Outline [ D ]

A Dramatic Classroom Demonstration of Limiting Reagent Using the Vinegar and Sodium Hydrogen Carbonate Reaction

 

Ed Vitz

2

Artdej, Romklao; Th... - Ed Vitz: 23 Sep 2008 10:38 am

Outline [ D ]

New Observations on the Copper-to-Silver-to-Gold Demonstration

 

Ed Vitz

2

References - Ed Vitz: 23 Sep 2008 10:23 am

Outline [ D ]

Demonstration Extension: Copper-to-Silver-to-Gold Penny Demonstration

 

Ed Vitz

2

References - Ed Vitz: 22 Sep 2008 4:33 pm

Outline [ D ]

Preparation of Conducting Polymers by Electrochemical Methods and Demonstration of a Polymer Battery

 

Ed Vitz

2

References - Ed Vitz: 8 Jul 2008 2:12 pm

Outline [ D ]

Stilling Waves with Ordered Molecular Monolayers

 

Ed Vitz

2

References - Ed Vitz: 8 Jul 2008 2:01 pm

Outline [ D ]

A Hand-Held Ammonia Fountain

 

Ed Vitz

2

References - Ed Vitz: 8 Jul 2008 1:56 pm

Outline [ D ]

Colorful Chemical Fountains

 

Ed Vitz

2

References - Ed Vitz: 8 Jul 2008 1:49 pm

Outline [ D ]

Paramagnetism Paradoxes: Projectable Demonstrations

 

Ed Vitz

2

References - Ed Vitz: 18 Mar 2008 11:37 am

Outline [ D ]

Phenolphthalein—Pink Tornado Demonstration

 

Ed Vitz

2

References - Ed Vitz: 18 Mar 2008 11:34 am

Outline [ D ]

Colorful Column Chromatography: A Classroom Demonstration of a Three-Component Separation

 

Ed Vitz

2

References - Ed Vitz: 18 Mar 2008 11:32 am

Outline [ D ]

Yet Another Variation on the Electrolysis of Water at Iron Nails

 

Ed Vitz

2

References - Ed Vitz: 18 Mar 2008 11:29 am

Outline [ D ]

Inexpensive Alcohol Burners for Flame Tests Using Aluminum Tea Light Candle Holders

 

Ed Vitz

2

References - Ed Vitz: 18 Mar 2008 11:25 am

Outline [ D ]

Demonstration Extensions: Flame Tests and Electrolysis

 

Ed Vitz

2

References - Ed Vitz: 18 Mar 2008 11:21 am

Outline [ D ]

Flames Tests with Flair

 

Ed Vitz

2

References - Ed Vitz: 18 Mar 2008 11:18 am

Outline [ D ]

Using Hydrogen Balloons To Display Metal Ion Spectra

 

Ed Vitz

2

References - Ed Vitz: 18 Mar 2008 11:17 am

Outline [ D ]

Similarity and Difference in the Behavior of Gases: An Interactive Demonstration

 

Ed Vitz

2

References - Ed Vitz: 18 Mar 2008 11:13 am

Outline [ D ]

Electrochemical Polishing of Silverware: A Demonstration of Voltaic and Galvanic Cells

 

Ed Vitz

2

References - Ed Vitz: 18 Mar 2008 11:11 am

Outline [ D ]

Dancing Crystals: A Dramatic Illustration of Intermolecular Forces

 

Ed Vitz

2

References - Ed Vitz: 18 Oct 2007 3:07 pm

Outline [ D ]

Carbon Dioxide Fountain

 

Ed Vitz

2

References - Ed Vitz: 18 Oct 2007 2:58 pm

Outline [ D ]

Incomplete Combustion of Hydrogen: Trapping a Reaction Intermediate

 

Ed Vitz

2

References - Ed Vitz: 18 Oct 2007 2:51 pm

Outline [ D ]

A Fast Coulometric Estimation of Avogadro's Number

 

Ed Vitz

2

References - Ed Vitz: 18 Oct 2007 2:45 pm

Outline [ D ]

Microscale Demonstration of the Paramagnetism of Liquid Oxygen with a Neodymium Magnet

 

Ed Vitz

2

References - Ed Vitz: 18 Oct 2007 2:38 pm

Outline [ D ]

Mercury Beating Heart: Modifications to the Classical Demonstration

 

Ed Vitz

2

References - Ed Vitz: 18 Oct 2007 2:33 pm

Outline [ D ]

Demonstration of the Fenton Reaction

 

Ed Vitz

2

References - Ed Vitz: 18 Oct 2007 2:26 pm

Outline [ D ]

Guitar Strings as Standing Waves: A Demonstration

 

Ed Vitz

2

References - Ed Vitz: 18 Oct 2007 2:16 pm

Outline [ D ]

An Iodine Fluorescence Quenching Clock Reaction

 

Ed Vitz

2

References - Ed Vitz: 18 Oct 2007 2:10 pm

Outline [ D ]

Turning Plastic Into Gold: An Analogy To Demonstrate the Rutherford Gold Foil Experiment

 

Ed Vitz

2

References - Ed Vitz: 16 Mar 2007 12:28 pm

Outline [ D ]

A Kinetics Demonstration Involving a Green–Red–Green Color Change Resulting from a Large-Amplitude pH Oscillation

 

Ed Vitz

2

References - Ed Vitz: 16 Mar 2007 12:20 pm

Outline [ D ]

Powder Diffraction Simulated by a Polycrystalline Film of Spherical Colloids

 

Ed Vitz

2

References - Ed Vitz: 4 Dec 2006 3:58 pm

Outline [ D ]

Classroom Scale Demonstrations Using Flash Ignition of Carbon Nanotubes

 

Ed Vitz

2

References - Ed Vitz: 4 Dec 2006 3:45 pm

Outline [ D ]

Job's Analysis of the Range of the "Dalton Syringe Rocket"

 

Ed Vitz

2

References - Ed Vitz: 4 Dec 2006 3:10 pm

Outline [ D ]

A Clock Reaction Sympathetic Ink from Consumer Chemicals

 

Ed Vitz

2

References - Ed Vitz: 4 Dec 2006 2:35 pm

Outline [ D ]

Using Balloons for a Dramatic Presentation of the Acid-Bicarbonate Reaction

 

Ed Vitz

2

References - Ed Vitz: 4 Dec 2006 2:18 pm

Outline [ D ]

Magnet and BB Analogy for Millikan's Oil-Drop Experiment

 

Ed Vitz

2

References - Ed Vitz: 4 Dec 2006 2:13 pm

Outline [ D ]

A Demonstration of Refractive Index Matching Using Isopropyl Alcohol and MgF2

 

Ed Vitz

2

References - Ed Vitz: 24 Jul 2006 11:47 am

Outline [ D ]

Two "Gas-in-a-Bag" Reactions To Show the Predictive Power of the Relative Acid–Base Strength Chart

 

Ed Vitz

2

References - Ed Vitz: 24 Jul 2006 11:27 am

Outline [ D ]

Colorful Chemical Demonstrations on the Extraction of Anionic Species from Water into Ether Mediated by Tricaprylylmethylammonium Chloride (Aliquat 336), a Liquid–Liquid Phase-Transfer Agent

 

Ed Vitz

2

References - Ed Vitz: 24 Jul 2006 11:23 am

Outline [ D ]

A Demonstration of the Continuous Phase (Second-Order) Transition of a Binary Liquid System in the Region around Its Critical Point

 

Ed Vitz

2

References - Ed Vitz: 21 Jul 2006 3:10 pm

Outline [ D ]

The Fluorescence of Lignum nephriticum: A Flash Back to the Past and a Simple Demonstration of Natural Substance Fluorescence

 

Ed Vitz

2

References - Ed Vitz: 11 Apr 2006 3:28 pm

Outline [ D ]

Simultaneous Display of Spectral Images and Graphs Using a Web Camera and Fiber-Optic Spectrophotometer

 

Ed Vitz

2

References - Ed Vitz: 11 Apr 2006 3:22 pm

Outline [ D ]

Classroom Demonstrations of Concepts in Molecular Fluorescence

 

Ed Vitz

2

References - Ed Vitz: 11 Apr 2006 3:20 pm

Outline [ D ]

pH Paradoxes: Demonstrating That It Is Not True That pH ≡ -log[H+]

 

Ed Vitz

2

References - Ed Vitz: 11 Apr 2006 3:15 pm

Outline [ D ]

Taming the Barking Dog

 

Ed Vitz

2

References - Ed Vitz: 11 Apr 2006 3:05 pm

Outline [ D ]

Demonstrating Void Space in Solids: A Simple Demonstration To Challenge a Powerful Misconception

 

Ed Vitz

2

References - Ed Vitz: 11 Apr 2006 2:58 pm

Outline [ D ]

The Ultrasonic Soda Fountain: A Dramatic Demonstration of Gas Solubility in Aqueous Solutions

 

Ed Vitz

3

References - Ed Vitz: 24 Mar 2006 1:57 pm

Outline [ D ]

Using a CBL Unit, a Temperature Sensor, and a Graphing Calculator To Model the Kinetics of Consecutive First-Order Reactions as Safe In-Class Demonstrations

 

Ed Vitz

2

References - Ed Vitz: 27 Jan 2006 10:30 am

Outline [ D ]

The Oxidation of Iron in a Gel Using Consumer Chemicals

 

Ed Vitz

2

References - Ed Vitz: 3 Oct 2005 8:44 am

Outline [ D ]

Demonstrating Energy Migration in Coupled Oscillators: A Central Concept in the Theory of Unimolecular Reactions

 

Ed Vitz

2

References - Ed Vitz: 7 Sep 2005 9:32 am

Outline [ D ]

A Device To Emulate Diffusion and Thermal Conductivity Using Water Flow

 

Ed Vitz

2

References - Ed Vitz: 7 Sep 2005 9:28 am

Outline [ D ]

Demonstrating Encapsulation and Release: A New Take on Alginate Complexation and the Nylon Rope Trick

 

Ed Vitz

2

References - Ed Vitz: 7 Sep 2005 9:16 am

Outline [ D ]

The q/T Paradox: Which "Contains More Heat", a Cup of Coffee at 95°C or a Liter of Icewater?

 

Ed Vitz

2

References - Ed Vitz: 7 Sep 2005 8:49 am

Outline [ D ]

A Modified Demonstration of the Catalytic Decomposition of Hydrogen Peroxide

 

Ed Vitz

2

References - Ed Vitz: 7 Sep 2005 8:42 am

Outline [ D ]

Revisiting the Electric Pickle Demonstration

 

Ed Vitz

2

References - Ed Vitz: 10 Mar 2005 1:59 pm

Outline [ D ]

A Salicylate Sympathetic Ink from Consumer Chemicals

 

Ed Vitz

2

References - Ed Vitz: 10 Mar 2005 1:55 pm

Outline [ D ]

Hard Water and Soft Soap: Dependence of Soap Performance on Water Hardness. A Classroom Demonstration

 

Ed Vitz

2

References - Ed Vitz: 25 Jan 2005 1:41 pm

Outline [ D ]

A Demonstration of Sample Segregation

 

Ed Vitz

2

References - Ed Vitz: 24 Jan 2005 3:58 pm

Outline [ D ]

Fractional Distillation of Air and Other Demonstrations with Condensed Gases

 

Ed Vitz

2

References - Ed Vitz: 24 Jan 2005 3:55 pm

Outline [ D ]

A Methane Balloon Inflation Chamber

 

Ed Vitz

2

References - Ed Vitz: 24 Jan 2005 3:52 pm

Outline [ D ]

Chemiluminescent Oscillating Demonstrations

 

Ed Vitz

2

References - Ed Vitz: 16 Dec 2004 11:17 am

Outline [ D ]

Old Nassau Demonstration with Wilkinson Modification

 

Ed Vitz

3

storyline, anyone? - emily: 10 May 2005 5:16 pm

Outline [ D ]

Use of a Tea Infuser To Submerge Low-Density Dry Ice

 

Ed Vitz

2

References - Ed Vitz: 25 Oct 2004 1:00 pm

Outline [ D ]

A-5 Electrolysis of Water

 

Ed Vitz

2

Safety - Test: 23 Jul 2004 8:30 am

Outline [ D ]

Demonstrating and Measuring Relative Molar Magnetic Susceptibility Using a Neodymium Magnet

 

Ed Vitz

2

Resources - Ed Vitz: 19 Jul 2004 11:12 am

Outline [ D ]

Demonstration of Enantiomer Specificity of Proteins and Drugs

 

Ed Vitz

2

References - Ed Vitz: 9 Jun 2004 8:08 am

Outline [ D ]

Simple Flame Test Techniques Using Cotton Swabs

 

Ed Vitz

2

References - Ed Vitz: 9 Jun 2004 8:02 am

Outline [ D ]

Promoting Graphical Thinking: Using Temperature and a Graphing Calculator To Teach Kinetics Concepts

 

Ed Vitz

3

thank you - mohammed mousad: 19 Oct 2008 3:13 pm

Outline [ D ]

Tears of Wine

 

Ed Vitz

2

References - Ed Vitz: 24 May 2004 11:38 am

Outline [ D ]

An Acid Hydrocarbon: A Chemical Paradox

 

Ed Vitz

2

References - Evan M Davis: 24 May 2004 11:31 am

Outline [ D ]

Low-Voltage Conductivity Device. Editor's Note about Using Conductivity Devices in Nonaqueous Solutions

 

Ed Vitz

2

References - Ed Vitz: 24 May 2004 11:28 am

Outline [ D ]

Using Conductivity Devices in Nonaqueous Solutions II: Demonstrating the SN2 Mechanism

 

Ed Vitz

2

References - Ed Vitz: 24 May 2004 11:24 am

Outline [ D ]

Using Conductivity Devices in Nonaqueous Solutions I: Demonstrating the SN1 Mechanism

 

Ed Vitz

2

References - Ed Vitz: 24 May 2004 11:19 am

Outline [ D ]

Classroom Demonstration of a Spot Test for Phenylpyruvic Acid and Its Relationship to Phenylketonuria

 

Ed Vitz

2

References - Ed Vitz: 24 May 2004 11:15 am

Outline [ D ]

A Reaction That Takes Place in Beakers but Not in Conical Flasks: A Catalysis-Related Demonstration

 

Ed Vitz

2

References - Ed Vitz: 24 May 2004 11:11 am

Outline [ D ]

Double-Diffusive Convection: A Simple Demonstration

 

Ed Vitz

2

References - Ed Vitz: 24 May 2004 11:08 am

Outline [ D ]

Surface Tension Gradients Induced by Temperature: The Thermal Marangoni Effect

 

Ed Vitz

2

References - Ed Vitz: 24 May 2004 11:01 am

Outline [ D ]

Spectacular Pseudo-Exfoliation of an Exfoliated–Compressed Graphite

 

Ed Vitz

2

References - Ed Vitz: 24 May 2004 10:55 am

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