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A method used to determine the molecular weights of volatile liquids.

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Cyclotron

A device for accelerating charged particles along a spiral path.

Autoionization

An ionization reaction between identical molecules.

Polymerization

The combination of many small molecules to form large molecules.

Enzyme

A protein that acts as a catalyst in biological systems.

Anode

In a cathode ray tube, the positive electrode. Electrode at which oxidation occurs.

Clay

A class of silicate and aluminosilicate minerals with sheet-like structures that have enormous surface areas that can absorb large amounts of water.

Calorie

The amount of heat required to raise the temperature of one gram of water from 14.5°C to 15.5°C. 1 calorie = 4.184 joules.

Corrosion

Oxidation of metals in the presence of air and moisture.

Dynamic Equilibrium

An equilibrium in which processes occur continuously, with no net change. When two (or more) processes occur at the same rate so that no net change occurs.

Electronic Transition

The transfer of an electron from one energy level to another.