General chemistry

General chemistry

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General chemistry

Substrate

Chemistry; General chemistry

A substance that is acted upon by an enzyme during a biochemical reaction.

Acidic solution

Chemistry; General chemistry

A solution in which the hydrogen ion activity is higher than that of the hydroxide ion , when the solvent is water.

Divalent

Chemistry; General chemistry

Binds to two other things (which may be other atoms, molecules, ions, or electrons). See also divalent anion and divalent cation .

Molality

Chemistry; General chemistry

Concentration measured as moles of solute per kilogramme of solvent. For example, a 1 m NaCl solution contains 1 mole of NaCl per kilogramme of water. Molalities are preferred over molarities in ...

Sugar

Chemistry; General chemistry

A carbohydrate with a characteristically sweet taste. Sugars are classified as monosaccharides , disaccharides , or trisaccharides .

Acidulant

Chemistry; General chemistry

A substance added to food or beverages to lower pH and to impart a tart, acid taste. Phosphoric acid is an acidulant added to cola drinks.

Molar

Chemistry; General chemistry

1. Of or pertaining to moles . 2. An synonym for molarity ; for example, a "six molar solution of hydrochloric acid" contains 6 moles of HCl per litre of solution.