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Resistance offered by the molecules of a liquid to flow is termed as viscosity.

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Common Ion Effect

Suppression of ionization of a weak electrolyte by the presence in the same solution of a strong electrolyte containing one of the same ions as the weak electrolyte.

Coulometry

The quantitative application of Faraday's Law to the analysis of materials. The current and time are the usual variables measured.

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.

Alkynes

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

Composition Stoichiometry

Descibes the quantitative (mass) relationships among elements in compounds.

Film badge

A small patch of photographic film worn on clothing to detect and measure accumulated incident ionizing radiation.

Delocalization

Of electrons, refers to bonding electrons that are distributed among more than two atoms that are bonded together, occurs in species that exhibit resonance.
The formation of a set of molecular orbitals that extend over more than two atoms, important in species that valence bond theory describes in terms of resonance.

Conjugated Double Bonds

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

Foam

Colloidal suspension of a gas in a liquid.

Critical Pressure

The pressure required to liquefy a gas (vapor) at its critical temperature.