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The rates of effusion of gases are inversely proportional to the square roots of their molecular weights or densities.

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Inhibitory Catalyst

An inhibitor, a catalyst that decreases the rate of reaction.

Coke

An impure form of carbon obtained by destructive distillation of coal or petroleum.

Heat of Crystallization

The amount of heat that must be removed from one gram of a liquid at its freezing point to freeze it with no change in temperature.

Mole Fraction

The number of moles of a component of a mixture divided by the total number of moles in the mixture.

 

Faraday's Law of Electrolysis

One equivalent weight of a substance is produced at each electrode during the passage of 96,487 coulombs of charge through an electrolytic cell.

Critical Temperature

The temperature above which a gas cannot be liquefied, the temperature above which a substance cannot exhibit distinct gas and liquid phases.

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

 

Bomb Calorimeter

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

Saturated Hydrocarbons

Hydrocarbons that contain only single bonds. They are also called alkanes or paraffin hydrocarbons.

Amphoterism

The ability to react with both acids and bases.Ability of substance to act as either an acid or a base.