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Molecule formed by combination of two smaller (identical) molecules.

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Hydrolysis Constant

An equilibrium constant for a hydrolysis reaction.

Reverse Osmosis

Forcing solvent molecules to flow through a semipermable membrane from a concentated solution into a dilute solution by the application of greater hydrostatic pressure on concentrated side than the osmotic pressure opposing it.

Electronic Transition

The transfer of an electron from one energy level to another.

Alcohol

Hydrocarbon derivative containing an --OH group attached to a carbon atom not in an aromatic ring. Alcohols are a class of organic compounds containing the hydroxyl group, OH, attached to a carbon atom.

Saturated Solution

Solution in which no more solute will dissolve.

Specific Heat

The amount of heat required to raise the temperature of one gram of substance one degree Celsius.

pH

Negative logarithm of the concentration (mol/L) of the H3O+[H+] ion, scale is commonly used over a range 0 to 14.

Miscibility

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

Bronsted-Lowry Acid

A proton donor.

Corrosion

Oxidation of metals in the presence of air and moisture.