General chemistry

General chemistry

Industry: Chemistry

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General chemistry

Pharmacognosy

Chemistry; General chemistry

Identification, isolation, and characterization of biologically active substances in living things.

Water of crystallisation

Chemistry; General chemistry

Water that is stoichiometrically bound in a crystal; for example, the waters in copper sulphate pentahydrate.

When gases react, they do so in a definite proportion by volume, if the volumes are measured at the same pressure and temperature. For example, in the reaction N2(g) + 3 H2(g) = 2 NH3(g), 3 litres of ...

Sol

Chemistry; General chemistry

A colloid with solid particles suspended in a liquid. Examples are protoplasm, starch in water, and gels.

Average bond enthalpy

Chemistry; General chemistry

Average enthalpy change per mole when the same type of bond is broken in the gas phase for many similar substances

Glutamic acid

Chemistry; General chemistry

A naturally occurring amino acid that has a carboxylic acid group on its side chain. In proteins, glutamic acid residues can occur with the side-chain carboxylic acid group converted to an amide ; ...