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An equation of state that extends the ideal gas law to real gases by inclusion of two empirically determined parameters, which are different for different gases.

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Heavy Water

Water containing deuterium, a heavy isotope of hydrogen.

Indicators

For acid-base titrations, organic compounds that exhibit different colors in solutions of different acidities, used to determine the point at which reaction between two solutes is complete.

xylan

The pentosan occurring in woody tissue that hydrolyzes to xylose: used as a source of furfural.

Dispersed Phase

The solute-like species in a colloid.

Background Radiation

Ratiation extraneous to an experiment. Usually the low-level natural radiation form cosmic rays and trace radioactive substances present in our environment.

Acyl Group

Compound derived from a carbonic acid by replacing the --OH group with a halogen (X), usually --Cl, general formula is O R--C--X.

Supersaturated Solution

A solution that contains a higher than saturation concentration of solute, slight disturbance or seeding causes crystallization of excess solute.

Single Bond

Covalent bond resulting from the sharing of two electrons (one pair) between two atoms.

20 interesting chemistry facts

20 interesting chemistry facts.

Polyprotic Acid

An Acid that can form two or more hydronium ions per molecule, often a least one step of ionization is weak.