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The temperature at which a liquid will yield enough flamable vapour to ignite. There are various recognized industrial testing methods, therefore the method used must be stated.

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Electrophile

Positively charged or electron-deficient.

Corrosion

Oxidation of metals in the presence of air and moisture.

Le Chatelier's Principle

States that a system at equilibrium, or striving to attain equilibrium, responds in such a way as to counteract any stress placed upon it.
If a stress (change of conditions) is applied to a system at equilibrium, the system shifts in the direction that reduces stress.

Homonuclear

Consisting of only one element.

First Law of Thermodynamics

The total amount of energy in the universe is constant (also known as the Law of Conservation of Energy) energy is neither created nor destroyed in ordinary chemical reactions and physical changes.

Binary Acid

A binary compound in which H is bonded to one or more of the more electronegative nonmetals.

Downs Cell

Electrolytic cell for the commercial electrolysis of molten sodium chloride. For further information see Electrochemistry or Fuel Cells.

Positron

A Nuclear particle with the mass of an electron but opposite charge.

Phenol

Hydrocarbon derivative containing an [OH] group bound to an aromatic raing.

 

Flux

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