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

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Metathesis Reactions

Reactions in which two compounds react to form two new compounds, with no changes in oxidation number. Reactions in which the ions of two compounds exchange partners.

 

Differential Scanning Calorimetry (DSC)

A technique for measuring the temperature, direction, and magnitude of thermal transitions in a sample material by heating/cooling and comparing the amount of energy required to maintain its rate of temperature increase or decrease with an inert reference material under similar conditions.

Effective Collisons

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

 

Dermal toxicity

Adverse health effects resulting from skin exposure ot a substance.

Potential Energy

Energy that matter possesses by virtue of its position, condition or composition.

Dipole

Refers to the separation of charge between two covalently bonded atoms.

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Phosphorus Oxychloride

Colorless to slightly yellow fuming liquid.

Mol. Wt.: 153.39
M.P.: 20C
B.P.: 105.1C
Density: 1.685 @ 15.5C
Vapor Pressure: 40 mm @ 27.3C
Vapor Density: 5.3
Used as the phosphorus source for phosphorus diffusion.

Solubility Product Constant

Equilibrium constant that applies to the dissolution of a slightly soluble compound.

Valence Electrons

Outermost electrons of atoms, usually those involved in bonding.