General chemistry

General chemistry

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General chemistry

Acid anhydride

Chemistry; General chemistry

A compound with two acyl groups bound to a single oxygen atom.

Displacement

Chemistry; General chemistry

A reaction in which a fragment of one reactant is replaced by another reactant (or by a fragent of another reactant). Displacement reactions have the same number of products as reactants, and are ...

A particle that is commonly ejected from radioactive nuclei, consisting of two protons and two neutrons. Alpha particles are helium nuclei. Alpha particles have a mass of 6.644 655 98 × 10-27 kg or ...

Enthalpy of neutralisation

Chemistry; General chemistry

The heat released by an acid-base neutralisation reaction running at constant pressure.

Threonine

Chemistry; General chemistry

A naturally occuring amino acid with a hydroxyl group on its side chain. Closely related to serine .

Carboxylic acid

Chemistry; General chemistry

A carboxylic acid is an organic molecule with a -(C=O)-OH group. The group is also written as -COOH and is called a carboxyl group. The hydrogen on the -COOH group ionises in water; carboxylic acids ...

Immiscible

Chemistry; General chemistry

Two liquids are considered "immiscible" or unmixable if shaking equal volumes of the liquids together results in a meniscus visible between two layers of liquid. If the liquids are completely ...