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A white, needlelike, crystalline, water-soluble solid or syrup, C6H10O8, usually made by the oxidation of cane sugar, glucose, or starch by nitric acid. Also called "Glucaric acid."

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Combination Reaction

Reaction in which two substances (elements or compounds) combine to form one compound.

Condensed States

The solid and liquid states.

Barometer

A device for measuring pressure.

Chemical Bonds

The attractive forces that hold atoms together in elements or compounds.

Paramagnetism

Attraction toward a magnetic field, stronger than diamagnetism, but still weak compared to ferromagnetism.

Hydrogen Bond

A fairly strong dipole-dipole interaction (but still considerably weaker than the covalent or ionic bonds) between molecules containing hydrogen directly bonded to a small, highly electronegative atom, such as N, O, or F.

Photochemical Smog

A brownish smog occurring in urban areas receiving large amounts of sunlight, caused by photochemical (light-induced) reactions among nitrogen oxides, hydrocarbons and other components of polluted air that produce photochemical oxidants.

 

Saccharide

An organic compound containing a sugar or sugars.

Heteronuclear

Consisting of different elements.

Ideal Gas

A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.