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

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Primary Voltaic Cells

Voltaic cells that cannot be recharged, no further chemical reaction is possible once the reactants are consumed.

Active Metal

Metal with low ionization energy that loses electrons readily to form cations.

ytterbia

Ytterbia is a colorless compound, Yb2O3, used in certain alloys and ceramics. Also known as ytterbium oxide.

Fluids

Substances that flow freely, gases and liquids.

Octahedral

A term used to describe molecules and polyatomic ions that have one atom in the center and six atoms at the corners of a octahedron.

Aryl Group

Group of atoms remaining after a hydrogen atom is removed from the aromatic system.

Heat of Condensation

The amount of heat that must be removed from one gram of a vapor at it's condensation point to condense the vapour with no change in temperature.

Extensive Property

A property that depends upon the amount of material in a sample.

Electrode Potentials

Potentials, E, of half-reactions as reductions versus the standard hydrogen electrode.

Atmosphere

A unit of pressure, the pressure that will support a column of mercury 760 mm high at 0 °C.