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Vaporization of a liquid below its boiling point.

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    Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses. The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is...

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Differential Thermal Analysis (DTA)

A technique for observing the temperature, direction, and magnitude of thermally induced transitions in a material by heating/cooling a sample and comparing its temperature with that of an inert reference material under similar conditions.

Covalent Bond

Chemical bond formed by the sharing of one or more electron pairs between two atoms.

Atmosphere

A unit of pressure, the pressure that will support a column of mercury 760 mm high at 0 °C.

Nernst Equation

Corrects standard electrode potentials for nonstandard conditions.

Adsorption

Adhesion of a species onto the surfaces of particles.

Cyclotron

A device for accelerating charged particles along a spiral path.

Nuclear Reactor

A system in which controlled nuclear fisson reactions generate heat energy on a large scale, which is subsequently converted into electrical energy.

Compound

A substance of two or more elements in fixed proportions. Compounds can be decomposed into their constituent elements.

xylic acid

Any of six colorless, crystalline, isomeric acids having the formula C9H10O2, derived from xylene.

xanthene dye

Any of a group of dyes having a molecular structure related to that of xanthene in which the aromatic (C6H4) groups are the chromophore.