General chemistry

General chemistry

Industry: Chemistry

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General chemistry

Carbon dioxide

Chemistry; General chemistry

A colorless, odourless gas produced by respiration and combustion of carbon-containing fuels.

Hypothesis

Chemistry; General chemistry

A hypothesis is a conjecture designed to guide experimentation. Hypotheses are extremely useful in problem solving, and are essential in developing new theories.

Protein

Chemistry; General chemistry

A complex polymer made by linking together amino acid molecules. Proteins sometimes contain non-amino acid components such as metal ions or porphyrin rings embedded within.

Allomer

Chemistry; General chemistry

A crystal, a substance that has different composition than another, but has the same crystalline structure.

The change in enthalpy that occurs when one mole of a compound is converted into gaseous atoms. All bonds in the compound are broken in atomization and none are formed, so enthalpies of atomization ...

Node

Chemistry; General chemistry

A point, region, or surface where the amplitude of a standing wave is zero. The probability of finding an electron at an orbital node is zero.

Thin layer chromatography

Chemistry; General chemistry

A technique for separating components in a mixture on the basis of their differing polarities. A spot of sample is placed on a flat sheet coated with silica and then carried along by a solvent that ...