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At constant pressure the volume occupied by a definite mass of gas is directly proportional to its absolute temperature.

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Formula

Combination of symbols that indicates the chemical composition of a substance.

 

Fractional Precipitation

Removal of some ions from solution by precipitation while leaving other ions with similar properties in solution.

Acyl Group

Compound derived from a carbonic acid by replacing the --OH group with a halogen (X), usually --Cl, general formula is O R--C--X.

Compressed Gas

A gas or mixture of gases having, in a container an absolute pressure exceeding 40 psi at 21.1°C (70°F)

Dumas Method

A method used to determine the molecular weights of volatile liquids.

Nitrogen Cycle

The complex series of reactions by which nitrogen is slowly but continually recycled in the atmosphere, lithosphere and hydrosphere.

 

yttria

Y2O3: A white, water-insoluble powder, Y2O3, used chiefly in incandescent gas and acetylene mantles.

Law of Conservation of Energy

Energy cannot be created or destroyed, it may be changed from one form to another.

Carbanion

An organic ion carrying a negative charge on a carbon atom.

Dipole-dipole Interactions

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