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A method used to determine the molecular weights of volatile liquids.

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Cis-

The prefix used to indicate that groups are located on the same side of a bon about which rotation is restricted.

Mother Nuclide

Nuclide that undergoes nuclear decay.

Electrophile

Positively charged or electron-deficient.

Heterogeneous Catalyst

A catalyst that exists in a different phase (solid, liquid or gas) from the reactants, a contact catalyst.

Bronsted-Lowry Acid

A proton donor.

Atmosphere

A unit of pressure, the pressure that will support a column of mercury 760 mm high at 0 °C.

Neutralization

The reaction of an acid with a base to form a salt and water. Usually, the reaction of hydrogen ions with hydrogen ions to form water molecules.

Solvent

The dispersing medium of a solution.

Haber Process

A process for the catalyzed industrial production of ammonia from N2 and H2 at high temperature and pressure.

Alloying

Mixing of metal with other substances (usually other metals) to modify its properties.