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Videos: 34 results
Steam and Superheated Steam  
Water is boiled and the steam is collected and run through a coil of copper tubing. When a gas burner heats the steam coil strongly, the steam becomes superheated and is at a high enough temperature to ignite a match and react quickly with steel wool.
Applications of Chemistry |
Gases |
Phases / Phase Transitions / Diagrams |
Water / Water Chemistry
Acid Base Reactions of Sulfur Dioxide  
Acid base reactions involving sulfur dioxide are shown.
Acids / Bases |
Gases |
Reactions |
Oxidation / Reduction |
Precipitation / Solubility |
Descriptive Chemistry |
Applications of Chemistry
Enthlapy-Thermodynamics  
Reactions and demonstrations the explore thermodynamic concepts.
Precipitation / Solubility |
Solutions / Solvents |
Calorimetry / Thermochemistry |
Applications of Chemistry |
Acids / Bases |
Physical Properties |
Reactions |
Thermodynamics |
Gases |
Phases / Phase Transitions / Diagrams |
Water / Water Chemistry |
Liquids |
Solids |
pH |
Consumer Chemistry |
Kinetics |
Oxidation / Reduction
The Electron as a Particle: Crookes and Cathode Ray Tubes  
The Crookes tube and various cathode ray tubes demonstrate the electron as particle.
Quantum Chemistry |
Applications of Chemistry
Safety Match Chemistry: Red Phosphorus and Potassium Chlorate  
The chemical reaction that underlies common safety matches is demonstrated.
Applications of Chemistry |
Consumer Chemistry
Combustion Reactions  
A number of dramatic combustion reactions are demonstrated.
Descriptive Chemistry |
Reactions |
Applications of Chemistry
Reactions: Magnesium and Magnesium Compounds  
Videos in this group show chemical reactions of magnesium and of magnesium ions in solution.
Applications of Chemistry |
Oxidation / Reduction |
Reactions
Dust Explosion  
Here are two demonstrations of the principle behind a grain elevator explosion. Lycopodium powder is dispersed inside closed containers containing a lighted candle resulting in explosions.
Agricultural Chemistry |
Applications of Chemistry |
Reactions
Reactions of Iodine with alpha-Pinene  
Reactions of Iodine with alpha-Pinene
Addition Reactions |
Alkenes |
Applications of Chemistry
Halogens  
Other flames and explosions involving halogens are demonstrated.
Reactions |
Descriptive Chemistry |
Applications of Chemistry
Flames and Explosions, Other Than Combustion Reactions  
Flames and explosions, other than combustion reactions, are demonstrated.
Descriptive Chemistry |
Reactions |
Applications of Chemistry
Chemiluminescence  
Luminol and light sticks are demonstrated.
Thermodynamics |
Applications of Chemistry |
Consumer Chemistry
Polymers  
Formation of formaldehyde copolymers, nylon rope, high and low density polyethylene, combustion of polyethylene and polystyrene, Beilstein test, formation of solid latex, cleaning oil spills, slime, solid foams, super absorbent polymer, formation of polyurethane foam under normal and micro gravity, and construction of a rod climbing apparatus are demonstrated.
Polymerization |
Reactions |
Applications of Chemistry |
Consumer Chemistry
HIV-1 Protease: An Enzyme at Work  
This is "HIV-1 Protease: An Enzyme at Work", from a video tape published by the Journal of Chemical Education - Software as Special Issue 13
Applications of Chemistry |
Enzymes |
Proteins / Peptides |
Medicinal Chemistry
Combustion of Hexane  
Combustion of hexane with limited oxygen and addition of water to burning hexane are demonstrated.
Alkanes / Cycloalkanes |
Reactions |
Stoichiometry |
Applications of Chemistry
Reactions involving Acetylene  
Some movies relating to acetylene are presented.
Alkynes |
Reactions |
Water / Water Chemistry |
Applications of Chemistry
Ring Strain  
Mixing solid iodine and cyclohexene shows little reaction but mixing iodine and alpha-pinene produces a very vigorous exothermic reaction and sublimation of solid iodine to dense iodine vapor.
Addition Reactions |
Molecular Properties / Structure |
Applications of Chemistry
Transferring a 25-Milliliter Sample  
A 25-milliliter volumetric pipet is used to remove a sample from a volumetric flask and transfer it to an Erlenmeyer flask.
Applications of Chemistry |
Laboratory Equipment / Apparatus |
Quantitative Analysis |
Titration / Volumetric Analysis
Volumetric Pipet  
A volumetric pipet is used to transfer liquid samples of a known volume.
Laboratory Equipment / Apparatus |
Applications of Chemistry |
Quantitative Analysis |
Titration / Volumetric Analysis
Transferring a Liquid  
Quantitative transfer of a liquid with a Mohr pipet, a volumetric pipet, and a digital pipettor is demonstrated.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis |
Applications of Chemistry |
Quantitative Analysis
Gas Stoichiometry  
Gas is generated from one mole of liquid of solid and the volume is measured using a gas collection system.
Stoichiometry |
Gases
Atmospheric Pollution  
The formation and effects of acid rain and other pollutants are simulated.
Atmospheric Chemistry |
Gases
Atmosphere  
Topics associated with the atmosphere include atmospheric pressure, pollution and the role of ozone.
Gases |
Atmospheric Chemistry
Hydrogen + Chlorine Cannon  
When a corked test tube containing a mixture of hydrogen and chlorine is struck by light from a burning magnesium ribbon, the resulting explosion propels the cork out of the test tube.
Gases |
Photochemistry |
Reactions
Chemical Properties of Sulfur Dioxide  
Reactions involving sulfur dioxide.
Gases |
Reactions |
Oxidation / Reduction
Big Barometer  
This is a demonstration of an eleven foot high barometer made with a concentrated solution of potassium tetraiodomercurate(II). A second movie compares the densities of mercury, potassium tetraiodomercurate(II) solution, and water.
Gases |
Physical Properties
Oxidation-Reduction (Redox) Reactions  
Demonstrations exploring oxidation/reduction chemistry.
Aqueous Solution Chemistry |
Electrochemistry |
Oxidation / Reduction |
Water / Water Chemistry |
Acids / Bases |
pH |
Conductivity |
Reactions |
Applications of Chemistry |
Descriptive Chemistry |
Electrolytic / Galvanic Cells / Potentials |
Laboratory Equipment / Apparatus
Solutions  
Reactions and demonstrations exploring the concepts of solutions.
Noncovalent Interactions |
Physical Properties |
Precipitation / Solubility |
Solutions / Solvents |
Calorimetry / Thermochemistry |
Applications of Chemistry |
Acids / Bases |
Aqueous Solution Chemistry |
pH |
Conductivity |
Reactions |
Titration / Volumetric Analysis |
Liquids |
Solids |
Equilibrium |
Transport Properties
Effusion of Gases  
Effusion of various gases are compared.
Gases |
Physical Properties |
Transport Properties
Atmospheric Pressure  
Atmospheric pressure is used to collapse large and small metal containers.
Phases / Phase Transitions / Diagrams |
Gases |
Atmospheric Chemistry
Vapor Pressure  
Pressure exerted by vapor of several organic substances is demonstrated using barometers. Molecular models of the substances are shown.
Gases |
Phases / Phase Transitions / Diagrams |
Physical Properties
Boiling by Cooling  
A flask contains water and water vapor at 100C. Each time ice water is poured over the outside of the flask, the water inside the flask boils. Although the temperature of the water in the flask has decreased, in each instance boiling is observed.
Gases |
Liquids |
Phases / Phase Transitions / Diagrams
Vapor Pressure: Molecular Size  
The measurement of pressure exerted by a vapor is demonstrated using barometers. Vapor pressure varies with the strength of the intermolecular forces in the liquid.
Gases |
Liquids |
Noncovalent Interactions |
Phases / Phase Transitions / Diagrams |
Physical Properties
Vapor Pressure of a Mixture: Raoult's Law  
The measurement of pressure exerted by a vapor is demonstrated using barometers. Vapor pressure varies with the strength of the intermolecular forces in the liquid. In this section we will look at vapor pressure of mixtures. We can calculate the vapor pressure of a mixture using Raoult's law.
Gases |
Liquids |
Noncovalent Interactions |
Phases / Phase Transitions / Diagrams |
Physical Properties