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A technique for observing the temperature, direction, and magnitude of thermally induced transitions in a material by heating/cooling a sample and comparing its temperature with that of an inert reference material under similar conditions.

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Ostwald Process

A process for the industrial production of nitrogen oxide and nitric acid from ammonia and oxygen.

Condensed States

The solid and liquid states.

Geometrical Isomers

Compounds with different arrangements of groups on either side of a bond with restricted rotation, such as a double bond or a single bond in a ring, for example cis-trans isomers of certain alkenes. Stereoisomers that are not mirror images of each other, also known as position isomers.

Periodic Table

An arrangement of elements in order of increasing atomic numbers that also emphasizes periodicity.

Amine Complexes

Complex species that contain ammonia molecules bonded to metal ions.

xylan

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

Salicylate

A salt or ester of salicylic acid.

Continuous Spectrum

Spectrum that contains all wave-lengths in a specified region of the electromagnetic spectrum.

Ligand

A Lewis base in a coordination compound.

Heat

A form of energy that flows between two samples of matter because of their differences in temperature.