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The total pressure exerted by a mixture of gases is the sum of the partial pressures of the individual gases.

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Electrolysis

Process that occurs in electrolytic cells.

Molecule

The smallest particle of an element or compound capable of a stable, independent existence.

Conjugated Double Bonds

Double bonds that are separated from each other by one single bond -C=C-C=C-.

Molecular Formula

Formula that indicates the actual number of atoms present in a molecule of a molecular substance.

Hydrogen Bond

A fairly strong dipole-dipole interaction (but still considerably weaker than the covalent or ionic bonds) between molecules containing hydrogen directly bonded to a small, highly electronegative atom, such as N, O, or F.

Frasch Process

Method by which elemental sulfur is mined or extracted. Sulfur is melted with superheated water (at 170°C under high pressure) and forced to the surface of the earth as a slurry.

 

Dipole-dipole Interactions

Attractive interactions between polar molecules, that is, between molecules with permanent dipoles.

Electrophile

Positively charged or electron-deficient.

Distilland

The material in a distillation apparatus that is to be distilled.

Saturated Solution

Solution in which no more solute will dissolve.