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Videos: 34 results
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
Alkanes and Cycloalkanes  
The structures and conformations of alkanes and cycloalkanes and the vibrational, rotational, and translational motion of alkanes in the gas phase are demonstrated.
Alkanes / Cycloalkanes
Combustion of Methane  
Methane combustion in balloons, a Bunsen burner flame, and methane combustion in chlorine are demonstrated.
Alkanes / Cycloalkanes |
Reactions
Bromination of Hydrocarbons  
The light initiated bromination of pentane, hexane isomers, alkyl benzenes and a comparison of bromination of pentane and pentene are demonstrated.
Alkanes / Cycloalkanes |
Reactions
Alkanes in Motion  
Animations of gas-phase hydrocarbon systems show the motion of molecules.
Alkanes / Cycloalkanes |
Molecular Mechanics / Dynamics
Structure-Property Relations for Alkanes and Alcohols  
Boiling points of alkanes, miscibility of alcohols, and the vapor pressure and viscosity of several organic compounds are demonstrated.
Alkanes / Cycloalkanes |
Physical Properties |
Alcohols
Boiling Points of Straight-Chain Alkanes  
The boiling points of straight-chain alkanes with 5-10 carbon atoms are determined.
Alkanes / Cycloalkanes |
Molecular Properties / Structure |
Physical Properties
Vapor Pressure: Molecular Size  
The vapor pressures of pentane, hexane, and heptane are compared. The vapor pressures of methanol and ethanol are compared. Molecular models of the compounds are shown.
Alkanes / Cycloalkanes |
Noncovalent Interactions |
Physical Properties |
Alcohols
Oxidation of cyclohexane, cyclohexene, and cyclohexanol by permanganate and chromic acid are demonstrated.  
Oxidation of cyclohexane, cyclohexene, and cyclohexanol by permanganate and chromic acid are demonstrated.
Alcohols |
Alkanes / Cycloalkanes |
Alkenes |
Oxidation / Reduction
Structures and Conformations  
Molecular models are used to demonstrate the conformations of alkanes and cycloalkanes.
Alkanes / Cycloalkanes |
Molecular Properties / Structure |
Nomenclature / Units / Symbols |
Stereochemistry
Boiling Points of Hexane Isomers  
The boiling points of the five isomers of hexane are determined.
Alkanes / Cycloalkanes |
Molecular Properties / Structure |
Constitutional Isomers |
Physical Properties
Relation of Structure to Boiling Point of Alkanes  
The boiling point of straight-chain alkanes and isomers of hexane are determined and molecular models of the hydrocarbons are shown.
Alkanes / Cycloalkanes |
Molecular Properties / Structure |
Physical Properties |
Constitutional Isomers
Hydrophobic Effect  
Hydrophobic Effect: Octanoic acid forms a monolayer on the surface of water under certain conditions.
Alkanes / Cycloalkanes |
Carboxylic Acids |
Molecular Properties / Structure |
Water / Water Chemistry |
Noncovalent Interactions
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
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
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
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
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