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Ester - Wikipedia
An ester is a chemical compound derived from an acid (organic or inorganic) in which at least one –OH hydroxyl group is replaced by an –O– alkyl (alkoxy) group, as in the substitution reaction of a carboxylic acid and an alcohol. Glycerides are fatty acid esters of glycerol; they are
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Ester Definition & Meaning - Merriam-Webster
ester: [noun] any of a class of often fragrant organic compounds that can be represented by the formula RCOOR′ and that are usually formed by the reaction between an acid and an alcohol with elimination of water.
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ester | Description, Types, & Reactions | Britannica
ester, any of a class of organic compounds that react with water to produce alcohols and organic or inorganic acids. Esters derived from carboxylic acids are the most common. The term ester was introduced in the first half of the 19th century by German chemist Leopold Gmelin. Carboxylic acid esters, formula RCOOR′ (R and R′ are any organic combining groups), are commonly …
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Esters | Introduction to Chemistry - Lumen Learning
The word “ester” was coined in 1848 by German chemist Leopold Gmelin, probably as a contraction of the German Essigäther, meaning acetic ether. Ester names are derived from the parent alcohol and acid. For example, the ester formed by ethanol and ethanoic acid is known as ethyl ethanoate; “ethanol” is reduced to “ethyl,” while ...
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Ester USA | Luxury Car Perfume– ester-usa
The smell is amazing while not being overwhelming and suffocating. This air freshener is awesome, but follow the instruction and don't over-tighten the lid. I'm loving my new diffuser. The lavender oil included makes my car smells fresh but is not too overpowering.
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Esther - Wikipedia
Esther is the eponymous heroine of the Book of Esther.In the Achaemenid Empire, the Persian king Ahasuerus seeks a new wife after his queen, Vashti, is deposed for disobeying him.Hadassah, a Jewess who goes by the name of Esther, is chosen to fulfill this role due to her beauty. Ahasuerus' grand vizier, Haman, is offended by Esther's cousin and guardian, …
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