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The pressure required to liquefy a gas (vapor) at its critical temperature.

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Hydride

A binary compound of hydrogen.

 

Strong Electrolyte

A substance that conducts electricity well in a dilute aqueous solution.

 

Distillation

The separation of a liquid mixture into its components on the basis of differences in boiling points. The process in which components of a mixture are separated by boiling away the more volitile liquid.

End Point

The point at which an indicator changes colour and a titration is stopped.

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.

Adsorption

Adhesion of a species onto the surfaces of particles.

Salt Bridge

A U-shaped tube containing electrolyte, which connects two half-cells of a voltaic cell.

Emulsifying Agent

A sustance that coats the particles of the dispersed phase and prevents coagulation of colloidal particles, an emulsifier.

Cyclotron

A device for accelerating charged particles along a spiral path.

Atomic Orbital

Region or volume in space in which the probability of finding electrons is highest.