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A colorless, crystalline compound, XeF6, that melts at 50°C to a yellow liquid, and boils at 75°C.

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Homogeneous Mixture

A mixture which has uniform composition and properties throughout.

Eluant or eluent

The solvent used in the process of elution, as in liquid chromatography.

 

Voltaic Cells

Electrochemical cells in which spontaneous chemical reactions produce electricity, also called galvanic cells.

 

Isomers

Different substances that have the same formula.

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.

 

Fuel Cells

Voltaic cells in which the reactants (usually gases) are supplied continuously.
A voltaic cell that converts the chemical energy of a fuel and an oxidizing agent directly into electriacl energy on a continuous basis.

Isomorphous

Refers to crystals having the same atomic arrangement.

Secondary Standard

A solution that has been titrated against a primary standard. A standard solution is a secondary standard.

 

Molality

Concentration expressed as number of moles of solute per kilogram of solvent.

Hydrogenation

The reaction in which hydrogen adds across a double or triple bond.