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Compounds that contain the same number of the same kinds of atoms in different geometric arrangements.

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Molecular Formula

Formula that indicates the actual number of atoms present in a molecule of a molecular substance.

Specific Rate Constant

An experimentally determined (proportionality) constant, which is different for different reactions and which changes only with temperature, k in the rate-law expression: Rate = k [A] x [B]v.

Melting Point

The temperature at which liquid and solid coexist in equilibrium, also the freezing point.

Particulate Matter

Fine divided solid particles suspended in polluted air.

Carcinogen

A substance capable of causing or producing cancer in mammals.

 

Titration

A Procedure in which one solution is added to another solution until the chemical reaction between the two solutes is complete, the concentration of one solution is known and that of the other is unknown.

 

xylose

A colorless, crystalline pentose sugar, C5H10O5, derived from xylan, straw, corncobs, etc., by treating with heated dilute sulfuric acid, and dehydrating to furfural if stronger acid is used.

London Forces

Very weak and very short-range attractive forces between short-lived temporary (induced) dipoles, also called dispersion Forces.

Saccharic

of or derived from saccharin or a saccharine substance.

 

Matter

Anything that has mass and occupies space.