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The percentage of the weak electrolyte that ionizes in a solution of given concentration.

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Autoionization

An ionization reaction between identical molecules.

Particulate Matter

Fine divided solid particles suspended in polluted air.

Heat of Fusion

The amount of heat required to melt one gram of solid at its melting point with no change in temperature. Usually expressed in J/g. The molar heat of fusion is the amount of heat required to melt one mole of a solid at its melting point with no change in temperature and is usually expressed in kJ/mol.

Hydrolysis

The reaction of a substance with water or its ions.

Saccharate

A compound formed by interaction of sucrose with a metallic oxide, usually lime, and useful in the purification of sugar.

 

Geiger counter

A gas filled tube which discharges electriaclly when ionizing radiation passes through it.

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.

K Capture

Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.

Cloud Chamber

A device for observing the paths of speeding particiles as vapor molecules condense on them to form foglike tracks.

Turning iron nail into copper nail

This simple chemical experiment shows the so-called process of copper plating of metal products. Copper has the ability to deposit on a metal surface.