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The rotation of plane polarized light by one of a pair of optical isomers.

 

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Effective Collisons

Collision between molecules resulting in a reaction, one in which the molecules collide with proper relative orientations and sufficient energy to react.

 

Phosphoric Acid

H3P04, Colorless liquid or rhombic crystals, decomposes before it will boil. Used mostly in the metal etchant. Used in cleaning operations to remove encrusted surface matter and mineral scale found on metal equipment such as boilers and steam producing equipment. Also used to brighten metals and remove rust.

Magnetic Quantum Number (mc)

Quantum mechanical solution to a wave equation that designates the particular orbital within a given set (s, p, d, f ) in which a electron resides.

Semipermable Membrane

A thin partition between two solutions through which certain molecules can pass but others cannot.

Ferromagnetism

The ability of a substance to become permanently magnetized by exposure to an external magnetic field.

Foam

Colloidal suspension of a gas in a liquid.

Extrapolate

To estimate the value of a result outside the range of a series of known values. Technique used in standard additions calibration procedure.

Molecular Orbital

An orbit resulting from overlap and mixing of atomic orbitals on different atoms. An MO belongs to the molecule as a whole.

Cathode

Electrode at which reduction occurs in a cathode ray tube, the negative electrode.

Alkylbenzene

A compound containing an alkyl group bonded to a benzene ring.