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The study of the energy transfers accompanying physical and chemical processes.

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Optical Isomers

Stereoisomers that differ only by being nonsuperimposable mirror images of each other, like right and left hands, also called enantiomers.

Eluant or eluent

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

 

Flux

A substance added to react with the charge, or a product of its reduction, in metallurgy, usually added to lower a melting point.

Square Planar Complex

Complex in which the metal is in the center of a square plane, with ligand donor atoms at each of the four corners.

Homogeneous Catalyst

A catalyst that exists in the same phase (solid, liquid or gas) as the reactants. The process is called Homogeneous Catalysis.

Electron

A subatomic particle having a mass of 0.00054858 amu and a charge of 1-.

Central Atom

An atom in a molecule or polyatomic ion that is bonded to more than one other atom.

Atom

The smallest particle of an element.

Manometer

A two-armed barometer.

xenon hexafluoride

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