| Videos: 18 results |
Aromatic Compounds
A molecular model of benzene, the reactions of bromine with cylohexane, cyclohexene, benzene, phenol, and toluene, the effect of substituents and number of methyl groups on the electron density of aromatic rings, and chlorination reactions of methyl benzenes are demonstrated.
Aromatic Compounds
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Phenols and Quinones
Ferric chloride test for phenols, nitration of acetaminophen, extraction of dichloroindophenol, oxidation of phenols with sodium periodate, nucleophilic addition to quinones, "purple benzene", oxidation of 2,6-Dit-butlhydoquinone, decolorization of crystal violet, and chameleon emulsion are demonstrated.
Alcohols |
Aromatic Compounds |
Phenols
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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
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Hydrogen Balloon Explosions
Balloons containing various substances and hydrogen are exploded, revealing characteristic flame colors. In all cases except one, the substance had been mixed with methanol and water.
Descriptive Chemistry |
Spectroscopy
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Spectroscope
The use of a hand-held spectroscope is demonstrated.
Laboratory Equipment / Apparatus |
Spectroscopy
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Spectronic 20 Spectrophotometer
The use of a Spectronic 20 spectrophotometer is demonstrated.
Laboratory Equipment / Apparatus |
Spectroscopy
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Single-Beam Recording Spectrophotometer
Techniques involved in using a single-beam UV/visible spectrophotometer are demonstrated.
Laboratory Equipment / Apparatus |
Spectroscopy
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Spectroscopy
Measuring electromagnetic emissions and transmissions with several different instruments are demonstrated or described.
Laboratory Equipment / Apparatus |
Spectroscopy
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Main Group Metals
Various compounds of main group metals mixed with methanol are sprayed into the flame of a Bunsen burner.
Descriptive Chemistry |
Spectroscopy
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Sprayed into Burner Flame
Saturated methanol solutions of approximately 1.0 M were sprayed into the flame of a Bunsen burner. The spray produces characteristic atomic emission colors.
Descriptive Chemistry |
Spectroscopy
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Main-Group Metals
Videos of flames with a Meker burner for main-group metals are shown.
Descriptive Chemistry |
Spectroscopy
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Metalloids
Videos of flames with a Meker burner for metalloids are shown.
Descriptive Chemistry |
Spectroscopy
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Other Main-Group Metals
Balloons containing hydrogen and other main-group metals are exploded.
Descriptive Chemistry |
Spectroscopy
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Flame Colors
Substances are introduced into a flame in various ways. The color of the resulting flame depends on the substance. These are organized by method/technique.
Descriptive Chemistry |
Spectroscopy
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Transition Metals
Various chlorides of transition metals mixed with methanol are sprayed into the flame of a Bunsen burner.
Descriptive Chemistry |
Spectroscopy |
Transition Elements
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Closeup Videos of Flames from Aqueous Solutions
Aqueous solutions of common compounds are introduced via aerosol to flame, producing their characteristic emission colors.
Descriptive Chemistry |
Spectroscopy |
Aqueous Solution Chemistry
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Exploding Hydrogen Balloons
Explosions of hydrogen-filled balloons are demonstrated.
Descriptive Chemistry |
Spectroscopy |
Water / Water Chemistry
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Colors of Elements in a Flame
Aqueous solutions of various compounds are sprayed into a Meeker burner flame from an atomizer.
Atomic Properties / Structure |
Descriptive Chemistry |
Spectroscopy
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