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The ability of one liquid to mix with (dissolve in) another liquid.

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Equilibrium Constant

A quantity that characterizes the position of equilibrium for a reversible reaction, its magnitude is equal to the mass action expression at equilibrium. K varies with temperature.

Isotopes

Two or more forms of atoms of the same element with different masses, atoms containing the same number of protons but different numbers of neutrons.

Compound

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

Ion

An atom or a group of atoms that carries an electric charge.

Acidic Salt

A salt containing an ionizable hydrogen atom. Acidic salt does not necessarily produce acidic solutions.

Bonding Orbital

A molecular orbit lower in energy than any of the atomic orbitals from which it is derived, lends stability to a molecule or ion when populated with electron.

Aldehyde

Compound in which an alkyl or aryl group and a hydrogen atom are attached to a carbonyl group and a hydrogen atom are attached to a carbonyl group, general formula, O-R-C-H

 

Formula Weight

The mass of one formula unit of a substance in atomic mass units.

 

Amine

Derivatives of ammonia in which one or more hydrogen atoms have been replaced by organic groups.

Bomb Calorimeter

A device used to measure the heat transfer between system and surroundings at constant volume.