TIGER

Videos: 86 results
Structures and Conformations  
Molecular models are used to demonstrate the conformations of alkanes and cycloalkanes.
Alkanes / Cycloalkanes |
Molecular Properties / Structure |
Nomenclature / Units / Symbols |
Stereochemistry
Exploding Soap Bubbles: Hydrogen + Oxygen  
Explosions of bubbles filled with only hydrogen and with varying ratios of hydrogen and oxygen are demonstrated.
Reactions |
Oxidation / Reduction |
Stoichiometry
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
Stoichiometry  
The Stoichiometry group contains three groups: Exploding Soap Bubbles: Hydrogen + Oxygen; Acid-Base Titrations and Animation; and Redox Titration and Animation.
Stoichiometry
Gas Stoichiometry  
Gas is generated from one mole of liquid of solid and the volume is measured using a gas collection system.
Stoichiometry |
Gases
Combustion Reactions  
Combustion reactions of methane, hydrogen, hexane, and natural gas in chlorine are demonstrated.
Reactions
Reactions: Chlorine  
Reactions and explosions involving chlorine are demonstrated.
Reactions
Iodine  
Reactions and explosions involving iodine and its compounds are demonstrated.
Reactions
Nitrogen  
A reaction with nitrogen is demonstrated.
Reactions
Combination Reactions  
Videos of various combination reactions.
Reactions |
Addition Reactions
Reaction, Microscale: Tin with Gold(III) Chloride  
A piece of metallic tin is carefully combined with a solution of gold(III) chloride under a microscope.
Oxidation / Reduction |
Reactions
Reaction, Microscale: Mercury With Silver Nitrate  
A droplet of mercury is carefully combined with a solution of silver nitrate under a microscope.
Oxidation / Reduction |
Reactions
Reactions, Microscale: Precipitation  
Here we show two precipitation reactions under a microscope. They are potassium dichromate crystal with silver nitrate and potassium iodide with lead nitrate.
Precipitation / Solubility |
Reactions
Reactions, Microscale: Oxidation-Reduction  
Three oxidation-reduction reactions are shown under a microscope. They are silver with mercury chloride, aluminum with gold chloride, and tin with gold chloride.
Oxidation / Reduction |
Reactions
Reaction, Microscale: Potassium Dichromate with Silver Nitrate  
A crystal of potassium dichromate is carefully combined with a solution of silver nitrate under a microscope. The reaction takes some time, so it is shown in a series of seven sequential videos. To see the entire reaction you need to play all seven.
Precipitation / Solubility |
Reactions
Orange Tornado: Precipitation of Mercury(II) Iodide - Version 1  
When mercury(II) nitrate and potassium iodide are combined with rapid stirring, an orange tornado of mercury(II) iodide is formed.
Equilibrium |
Precipitation / Solubility |
Reactions
Orange Tornado: Precipitation of Mercury(II) Iodide - Version 2  
When mercury(II) nitrate and potassium iodide are combined with rapid stirring, an orange tornado of mercury(II) iodide is formed.
Equilibrium |
Precipitation / Solubility |
Reactions
Precipitation Reactions  
Two versions of the Orange Tornado, two reactions under a microscope, and updated stills of other precipitation reactions provide dramatic visual displays of solid formation.
Equilibrium |
Precipitation / Solubility |
Reactions
Metallocene Catalyzed Polymerization of Ethylene  
Polymerization chemistry is demonstrated by the reaction between ethylene and a Ziegler-Natta catalyst.
Polymerization |
Catalysis |
Reactions
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
Diels-Alder Visualization  
Several computer animations of a Diels-Alder reaction that were created as an undergraduate student project are presented.
Addition Reactions |
Alkenes
Addition Reactions of Alkenes  
The Diels-Alder reaction, addition of oxygen to tetrakis(N, N-dimethylamino) ethylene, polymerization of ethylene, and addition of iodine to a-pinene are demonstrated. Molecular models of ethene are shown.
Addition Reactions |
Alkenes
Aldol Condensation Reactions  
Aldol condensation reactions are demonstrated.
Aldehydes / Ketones |
Reactions
Sucrose Dehydration gives Sulfur Dioxide  
Sulfuric acid dehydrates sucrose forming carbon.
Carbohydrates |
Oxidation / Reduction |
Reactions
Rapid Combustion of Peroxyacetone (Version 1)  
In this demonstration, the peroxyacetone is piled loosely onto an iron surface and ignited with an electric arc, resulting in a ball of flame and a muffled report.
Oxidation / Reduction |
Reactions
Explosive Combustion of Peroxyacetone (Version 2)  
In this demonstration, the peroxyacetone is tightly wrapped with an inserted thumbtack and ignited with an electric arc, resulting in an explosive detonation.
Oxidation / Reduction |
Reactions
Combustion of Peroxyacetone  
The combustion of peroxyacetone is demonstrated in two ways.
Oxidation / Reduction |
Reactions
Nonmetals  
Nonmetals are ignited under various conditions.
Reactions |
Descriptive Chemistry |
Nonmetals
Aluminum: Reactions  
Reactions involving aluminum are demonstrated.
Reactions |
Descriptive Chemistry
Reactions with Zinc  
Reactions involving zinc are demonstrated.
Reactions |
Descriptive 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
Hydrogen  
Reactions and explosions involving hydrogen and its compounds are demonstrated.
Reactions |
Descriptive Chemistry
Oxygen  
Reactions and explosions involving oxygen and its compounds are demonstrated.
Reactions |
Descriptive Chemistry
Sulfur  
Reactions and explosions involving sulfur are demonstrated.
Reactions |
Descriptive Chemistry
Reaction: Potassium with Bromine  
A small piece of potassium is carefully added to liquid bromine, producing a violent reaction.
Oxidation / Reduction |
Reactions
Alkaline Earths Reactions  
Reactions of the alkaline earth metals in air, water, acid, and other compounds.
Descriptive Chemistry |
Reactions
Chemical Properties of Sulfur Dioxide  
Reactions involving sulfur dioxide.
Gases |
Reactions |
Oxidation / Reduction
Reactions Under a Microscope  
Microscale redox and precipitation reactions.
Oxidation / Reduction |
Reactions |
Precipitation / Solubility
Reactions: Nonmetals with Air  
Various nonmetallic elements reacting with air are shown.
Descriptive Chemistry |
Oxidation / Reduction |
Reactions
Oxidation-Reduction Reactions  
Electrolysis reactions and the action of nitric acid on iron and copper illustrate the concepts of oxidation and reduction. Also three oxidation-reduction reactions are shown under a microscope.
Oxidation / Reduction |
Descriptive Chemistry |
Reactions
Reactions: Alkali Metals with Other Elements  
Alkali Metals are shown reacting with various elements.
Oxidation / Reduction |
Reactions |
Descriptive Chemistry
Reactions: Alkaline Earth Metals with Air  
Alkali earth metals are shown reacting in air.
Descriptive Chemistry |
Oxidation / Reduction |
Reactions
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
Reactions of Sulfurous Acid  
These demonstrations illustrate the production and effects of sulfur dioxide, a pollutant generated by the burning of sulfur impurities in coal. The sulfurous acid produced by dissolving sulfur dioxide in water is allowed to react with various forms of calcium carbonate found in nature, namely marble, limestone, chalk, and eggshell.
Acids / Bases |
Precipitation / Solubility |
Reactions
Reactions of Nitric Acid  
These demonstrations illustrate the production of nitric acid and its reaction with various forms of calcium carbonate found in nature, namely marble, limestone, chalk, and eggshell.
Acids / Bases |
Precipitation / Solubility |
Reactions
Metals  
Samples of metals are ignited or heated over a flame, resulting in oxide formation.
Descriptive 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
Combustion of White Phosphorus  
Phosphorus combines with oxygen in a highly exothermic reaction.
Descriptive Chemistry |
Oxidation / Reduction |
Reactions
Reactions with Potassium  
Reactions involving potassium are demonstrated.
Oxidation / Reduction |
Reactions |
Descriptive Chemistry
Reactions with Transition Metals  
A number of reactions with transition metals are demonstrated.
Reactions |
Descriptive Chemistry |
Transition Elements
Bromine  
Reactions and explosions involving bromine are demonstrated.
Calorimetry / Thermochemistry |
Oxidation / Reduction |
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
Nitrogen Triiodide Detonation  
Simply touching dry nitrogen triiodide with a feather causes it to explode.
Calorimetry / Thermochemistry |
Oxidation / Reduction |
Reactions
Flames and Explosions, Other Than Combustion Reactions  
Flames and explosions, other than combustion reactions, are demonstrated.
Descriptive Chemistry |
Reactions |
Applications of Chemistry
Transition Element Reactions  
Reactions of transition elements in water, air, acids, and bases.
Descriptive Chemistry |
Reactions |
Transition Elements
Oxidation-Reduction Reactions  
Reactions or demonstrations exploring oxidation/reduction chemistry.
Reactions |
Oxidation / Reduction |
Descriptive Chemistry
Reaction: Sodium with Acids  
Reaction of sodium with acid.
Acids / Bases |
Descriptive Chemistry |
Oxidation / Reduction |
Reactions
Reactions: Nonmetals with Base   
Nonmetallic elements are shown reacting with bases.
Acids / Bases |
Descriptive Chemistry |
Oxidation / Reduction |
Reactions
Reactions: Nonmetals with Acids  
Nonmetallic elements are shown reacting with acids.
Acids / Bases |
Descriptive Chemistry |
Oxidation / Reduction |
Reactions
Reactions: Alkali Metals with Acids  
Alkali metals are shown reacting with acids.
Acids / Bases |
Descriptive Chemistry |
Oxidation / Reduction |
Reactions
Reactions: Alkali Metals with Base  
Alkali Metals are shown reacting with base.
Acids / Bases |
Descriptive Chemistry |
Oxidation / Reduction |
Reactions
Reactions: Alkaline Earth Metals with Acids  
Alkali earth metals are shown reacting with acids.
Acids / Bases |
Descriptive Chemistry |
Oxidation / Reduction |
Reactions
Cadmium Nitrate with Sodium Sulfide  
Here, sodium sulfide (Na2S) is added to cadmium nitrate (Cd(NO3)2). The result is a deep yellow-orange precipitate.
Aqueous Solution Chemistry |
Precipitation / Solubility |
Reactions
Acid Base Reactions  
Simple experiments show the titration of acids with sodium hydroxide and the generation of acid from carbon dioxide in water.
Acids / Bases |
Aqueous Solution Chemistry |
Reactions |
pH
Reactions in Aqueous Solutions  
Various reactions in aqueous solutions are shown.
Aqueous Solution Chemistry |
Reactions |
Precipitation / Solubility
Reactions: Acetylene  
Preparation of acetylene and the reaction of chlorine with acetylene are demonstrated. An antique carbide lamp is also demonstrated.
Alkynes |
Reactions |
Water / Water Chemistry |
Oxidation / Reduction
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
Reactions involving Acetylene  
Some movies relating to acetylene are presented.
Alkynes |
Reactions |
Water / Water Chemistry |
Applications of Chemistry
Energy from Oxidation of Food  
Food undergoes rapid oxidation when placed in molten potassium chlorate.
Calorimetry / Thermochemistry |
Kinetics |
Oxidation / Reduction |
Reactions |
Nutrition
Reactions with Sodium  
Reactions involving sodium are demonstrated.
Oxidation / Reduction |
Reactions |
Acids / Bases |
Descriptive Chemistry
TNT Detonation  
TNT is stable in the presence of shock, but can be detonated by adding a chemical priming agent.
Oxidation / Reduction |
Thermodynamics |
Aromatic Compounds |
Reactions
Decomposition Reactions  
Various examples of decomposition reactions are presented.
Oxidation / Reduction |
Reactions |
Aqueous Solution Chemistry
Oxidation of Glycerin by Potassium Permanganate  
Oxidation of glycerin (1,2,3-propanetriol) by potassium permanganate is demonstrated.
Alcohols |
Calorimetry / Thermochemistry |
Oxidation / Reduction |
Reactions
Formation of Carbon from Carbohydrate  
Sulfuric acid has a very high affinity for water. It is shown to dehydrate a carbohydrate (sucrose) forming carbon. Sulfuric acid is reduced to sulfur dioxide, which bleaches a rose petal. In a second experiment, the sulfur dioxide reduces purple permanganate to nearly colorless manganese(II).
Acids / Bases |
Carbohydrates |
Oxidation / Reduction |
Reactions
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
Reactions: Nonmetals with Water  
Nonmetallic elements are shown reacting with water.
Descriptive Chemistry |
Oxidation / Reduction |
Reactions |
Water / Water Chemistry
Reactions: Alkaline Earth Metals with Water  
Alkali earth metals are shown reacting in water.
Descriptive Chemistry |
Oxidation / Reduction |
Reactions |
Water / Water Chemistry
Reactions: Alkali Metals with Water  
Alkali Metals are shown reacting in water.
Descriptive Chemistry |
Oxidation / Reduction |
Reactions |
Water / Water Chemistry |
Acids / Bases
Pulsating Electrochemical Reaction: Mercury Beating Heart  
A drop of mercury in a watch glass is covered with a solution of potassium chromate in concentrated sulfuric acid. An iron nail is positioned so that it nearly touches the mercury. Eventually, the mercury drop starts to beat rhythmically, like a beating heart.
Electrolytic / Galvanic Cells / Potentials |
Oxidation / Reduction |
Reactions |
Surface Science
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
Reactions of Sulfuric Acid  
Reactions of materials reacting with sulfuric acid are shown.
Acids / Bases |
Oxidation / Reduction |
Reactions |
Descriptive Chemistry |
Aqueous Solution Chemistry |
Precipitation / Solubility
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