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A device used to measure the densities of liquids and solutions.

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Hydrocarbons

Compounds that contain only carbon and hydrogen.

Ligand

A Lewis base in a coordination compound.

Suspension

A heterogeneous mixture in which solute-like particles settle out of solvent-like phase some time after their introduction.

Functional Group

A group of atoms that represents a potential reaction site in an organic compound.

Condensed States

The solid and liquid states.

Hydrogen-Oxygen Fuel Cell

Fuel cell in which hydrogen is the fuel (reducing agent) and oxygen is the oxidizing agent.

 

Graham's Law

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

Particulate Matter

Fine divided solid particles suspended in polluted air.

Hydrate Isomers

Isomers of crystalline complexes that differ in whether water is present inside or outside the coordination sphere.

Surface Tension

It is the force in dynes acting along the surface of the liquid 1cm in length and perpendicular to it.