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Decomposition by heating a substance in the presence of a catalyst and in the absence of air.

 

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Biodegradability

The ability of a substance to be broken down into simpler substances by bacteria.

 

Group

A vertical column in the periodic table, also called a family.

Rate of Reaction

Change in the concentration of a reactant or product per unit time.

Electrophile

Positively charged or electron-deficient.

Osmotic Pressure

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

Alkali Metals

Metals of Group IA (Na, K, Rb).

Corrosion

Oxidation of metals in the presence of air and moisture.

Alkenes (Olefins)

Unsaturated hydrocarbons that contain one or more carbon-carbon double bonds.

Acetic Acid

CA3COOH, clear, colorless liquid, pungent odor. Boiling point 140C, flash point 54C (closed cup), autoignition temperature 38OC.

Anode

In a cathode ray tube, the positive electrode. Electrode at which oxidation occurs.