General chemistry

General chemistry

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General chemistry

Carbon monoxide

Chemistry; General chemistry

A colorless, odorless, poisonous gas produced by incomplete combustion.

Describes a solution which has lower osmotic pressure than some other solution (usually, lower osmotic pressure than cell or body fluids). Washing your contact lenses with distilled water rather than ...

Proton donor

Chemistry; General chemistry

Because a free H+ ion is technically a bare proton, acids are sometimes referred to as "proton donors" because they release hydrogen ions in solution. The term "proton donor" is misleading, since in ...

Allosteric effect

Chemistry; General chemistry

A change in the behaviour of one part of a molecule caused by a change in another part of the molecule.

Enthalpy of combustion

Chemistry; General chemistry

The change in enthalpy when one mole of compound is completely combusted. All carbon in the compound is converted to CO2(g), all hydrogen to H2O( ), all sulphur to SO2(g), and all nitrogen to N2(g).

Nomenclature

Chemistry; General chemistry

A system for naming things. For example, "organic nomenclature" is the system used to name organic compounds .

Thio-

Chemistry; General chemistry

A prefix that means, "replace an oxygen with sulfur". For example, sulphate ion is SO42-; thiosulfate ion is S2O32-. Cyanate ion is OCN-; thiocyanate ion is SCN-.