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An equation that describes the behavior of matter in a given state, the van der Waals equation describes the behavior of the gaseous state.

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Hydration Energy

The energy change accompanying the hydration of a mole of gase and ions.

Where is ozone used?

Ozone is widely used in various areas of our life. It is used in medicine, in industry, in everyday life.

Ionic Geometry

The arrangement of atoms (not lone pairs of electrons) about the central atom of a polyatomic ion.

Zone Refining

A method of purifying a bar of metal by passing it through an induction heater, this causes impurties to move along a melted portion. This method applies the fact when a metal crystallizes on cooling, impurities are automatically expelled as they do not form part of the crystal.

Endothermicity

The absorption of heat by a system as the process occurs.

Debye

The unit used to express dipole moments.

Leveling Effect

Effect by which all acids stronger than the acid that is characteristic of the solvent react with solvent to produce that acid, similar statement applies to bases. The strongest acid (base) that can exist in a given solvent is the acid (base) characteristic of the solvent.

Percent Composition

The mass percent of each element in a compound.

Disproportionation Reactions

Redox reactions in which the oxidizing agent and the reducing agent are the same species.

Sublimation

The direct vaporization of a sold by heating without passing through the liquid state.