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Chlorobenzene (abbreviated PhCl) is an aryl chloride and the simplest of the chlorobenzenes, consisting of a benzene ring substituted with one chlorine atom. Its chemical formula is C 6 H 5 Cl. This colorless, flammable liquid is a common solvent and a widely used intermediate in the manufacture of other chemicals.
A natural wax is chemically defined as an ester with a very long hydrocarbon chain that also includes a long chain alcohol. [2] Examples are: Stearic acid (E570) Beeswax (E901) Candelilla wax (E902) Carnauba wax (E903) Shellac (E904) Microcrystalline wax (E905c), Crystalline wax (E907) Lanolin (E913) Oxidized polyethylene wax (E914) Esters of ...
In chemical engineering, azeotropic distillation usually refers to the specific technique of adding another component to generate a new, lower-boiling azeotrope that is heterogeneous (e.g. producing two, immiscible liquid phases), such as the example below with the addition of benzene to water and ethanol.
Step Three: Remove Streaks. Combine one part vinegar and one part water in a bowl. Dampen a clean microfiber cloth with the mixture and apply it to the glass, wiping it down well for a streak-free ...
Piranha solution should always be prepared by adding hydrogen peroxide to sulfuric acid slowly, never in reverse order. [5] [6] This minimises the concentration of hydrogen peroxide during the mixing process, helping to reduce instantaneous heat generation and explosion risk. Mixing the solution is an extremely exothermic process.
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Acid–base extraction is a subclass of liquid–liquid extractions and involves the separation of chemical species from other acidic or basic compounds. [1] It is typically performed during the work-up step following a chemical synthesis to purify crude compounds [2] and results in the product being largely free of acidic or basic impurities.
A wax coating makes this Manila hemp waterproof. A lava lamp is a novelty item that contains wax melted from below by a bulb. The wax rises and falls in decorative, molten blobs. Sealing wax was used to close important documents in the Middle Ages. Wax tablets were used as writing surfaces.