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The point at which chemically equivalent amounts of reactants have reacted.

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xenon hexafluoride

A colorless, crystalline compound, XeF6, that melts at 50°C to a yellow liquid, and boils at 75°C.

Dipole Moment

The product of the distance separating opposite charges of equal magnitude of the charge, a measure of the polarity of a bond or molecule, a measured dipole moment refers to the dipole moment of an entire molecule.

Critical Pressure

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

Sulfuric Acid

H2SO4: colorless, oily liquid, boiling point 330C. A 96 percent solution is used in the laboratory.

Fire Hazard: This is a very powerful, acidic oxidizer which can Ignite or even explode on contact with many materials, i.e. acetic acid ,acetone+ HNOs, alcohols, + H202, NH4OH, HCL, NaOH, and others.

Sulfuric acid has a wide range of uses and plays a part in the production of nearly all manufactured goods.

Condensed Phases

The liquid and solid phases, phases in which particles interact strongly.

Carbanion

An organic ion carrying a negative charge on a carbon atom.

Vapor

A gas formed by boiling or evaporating a liquid.

Band of Stability

Band containing nonradioactive nuclides in a plot of number of neutrons versus atomic number.

Intermolecular Forces

Forces between individual particles (atoms, molecules, ions) of a substance.

Semiconductor

A substance that does not conduct electricity at low temperatures but does so at higher temperatures.