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Potential difference, Ecell, between oxidation and reduction half-cells under nonstandard conditions.

 

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Enzyme

A protein that acts as a catalyst in biological systems.

Condensed Phases

The liquid and solid phases, phases in which particles interact strongly.

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Dipole Moment

The product of the distance separating opposite charges of equal magnitude of the charge, a measure of the polarity of a bond or molecule, a measured dipole moment refers to the dipole moment of an entire molecule.

Strong Field Ligand

Ligand that exerts a strong crystal or ligand electrical field and generally forms low spin complexes with metal ions when possible.

Collision Theory

Theory of reaction rates that states that effective collisions between reactant molecules must occur in order for the reaction to occur.

Osmotic Pressure

The hydrostatic pressure produced on the surface of a semipermable membrane by osmosis.

Cation

A positive ion, an atom or group of atoms that has lost one or more electrons.

Condensation

Liquefaction of vapor.

ytterbium

A rare metallic element found in gadolinite and forming compounds resembling those of yttrium. Symbol: Yb, at. wt.: 173.04, at. no.: 70, sp. gr.: 6.96. Cf."rare-earth element."