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A plant extract that has a distinctive odour or flavour.

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K Capture

Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.

Electrodes

Surfaces upon which oxidation and reduction half-reactions, occur in electrochemical cells.

Conjugated Double Bonds

Double bonds that are separated from each other by one single bond -C=C-C=C-.

Monoprotic Acid

Acid that can form only one hydronium ion per molecule, may be strong or weak. Acid that contains one ionizable hydrogen atom per formula unit.

Standard Molar Enthalphy of Formation

The amount of heat absorbed in the formation of one mole of a substance in a specified state from its elements in their standard states.

Phosphorus Oxychloride

Colorless to slightly yellow fuming liquid.

Mol. Wt.: 153.39
M.P.: 20C
B.P.: 105.1C
Density: 1.685 @ 15.5C
Vapor Pressure: 40 mm @ 27.3C
Vapor Density: 5.3
Used as the phosphorus source for phosphorus diffusion.

Amino Acid

Compound containing both an amino and a carboxylic acid group.The --NH2 group.

Lewis Dot Formula (Electron Dot Formula)

Representation of the core of a molecule, ion or formula unit by showing atomic symbols and only outer shell electrons.

Cohesive Forces

All the forces of attraction among particles of a liquid.

Optical Isomers

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