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An experimentally determined (proportionality) constant, which is different for different reactions and which changes only with temperature, k in the rate-law expression: Rate = k [A] x [B]v.

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Electronegativity

A measure of the relative tendency of an atom to attract electrons to itself when chemically combined with another atom.

Boron Hydrides

Binary compounds of boron and hydrogen.

Enthalpy

The heat content of a specific amount of substance, defined as E= PV.

Diamagnetism

Weak repulsion by a magnetic field.

Sublimation

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

Heterogeneous Equilibria

Equilibria involving species in more than one phase.

Colloid

A heterogeneous mixture in which solute-like particles do not settle out.

xenon trioxide

A colorless, nonvolatile solid, XeO3, explosive when dry: in solution it is called xenic acid.

Osmosis

The process by which solvent molecules pass through a semipermable membrane from a dilute solution into a more concentrated solution.

 

Insoluble Compound

A very slightly soluble compound.