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

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Specific Gravity

The ratio of the density of a substance to the density of water.

Critical Mass

The minimum mass of a particular fissionable nuclide in a given volume required to sustain a nuclear chain reaction.

Method of Initial Rates

Method of determining the rate-law expression by carrying out a reaction with different initial concentrations and analyzing the resultant changes in initial rates.

Ionic Compounds

Compounds containing predominantly ionic bonding.

Equivalent Weight

An oxidizing or reducing agent, who's mass gains (oxidizing agents) or loses (reducing agents) 6.022 x 1023 electrons in a redox reaction.
The mass of an acid or base that furnishes or reacts with 6.022 x 1023 H3O+ or OH- ions.

Voltage

Potential difference between two electrodes, a measure of the chemical potential for a redox reaction to occur.

Corrosion

Oxidation of metals in the presence of air and moisture.

Bonding Orbital

A molecular orbit lower in energy than any of the atomic orbitals from which it is derived, lends stability to a molecule or ion when populated with electron.

Foam

Colloidal suspension of a gas in a liquid.

Emission Spectrum

Spectrum associated with emission of electromagnetic radiation by atoms (or other species) resulting from electronic transitions from higher to lower energy states.