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The hydrostatic pressure produced on the surface of a semipermable membrane by osmosis.

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Boiling Point Elevation

The increase in the boiling point of a solvent caused by the dissolution of a nonvolatile solute.

Crystal Lattice

A pattern of arrangement of particles in a crystal.

Pineapple literally "erodes" the tongue

Everyone who has ever tried fresh pineapple knows that if you eat too much, your lips and tongue hurt for a while. This is because the pineapple contains an enzyme called bromelain. This enzyme literally "erodes" the tongue.

Dimer

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

Beta Particle

Electron emitted from the nucleus when a neuton decays to a proton and an electron.

Optical Isomers

Stereoisomers that differ only by being nonsuperimposable mirror images of each other, like right and left hands, also called enantiomers.

Supersaturated Solution

A solution that contains a higher than saturation concentration of solute, slight disturbance or seeding causes crystallization of excess solute.

Distillate

The material in a distillation apparatus that is collected in the receiver.

 

D -Transition elements (metals)

B Group elements except IIB in the periodic table, sometimes called simply transition elements EX. Fe, Ni, Cu, Ti .
For further information see Metals.

Aromatic Hydrocarbons

Benzene and its derivatives.