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Liquefaction of vapor.

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Degenerate

Of the same energy.

Salicylate

A salt or ester of salicylic acid.

xenon tetrafluoride

A colorless, crystalline compound, XeF4, prepared by heating a gaseous mixture of fluorine and xenon.

Boron Hydrides

Binary compounds of boron and hydrogen.

Diagonal Similarities

Refers to chemical similarities in the Periodic Table of elements of Period 2 to elements of Period 3 one group to the right, especially evident toward the left of the periodic table.

Adsorption

Adhesion of a species onto the surfaces of particles.

Reaction Stoichiometry

Description of the quantitative relationships among substances as they participate in chemical reactions.

Contact Process

Industrial process by which sulfur trioxide and sulfuric acid are produced from sulfur dioxide.

Heat of Vaporization

The amount of heat required to vaporize one gram of a liquid at its boiling point with no change in temperature. Usually expressed in J/g. The molar heat of vaporization is the amount of heat required to vaporize one mole of liquid at its boiling point with no change in temperature and usually expressed ion kJ/mol.

Distillate

The material in a distillation apparatus that is collected in the receiver.