Molecular weight

Molecular weight

The average mass of a molecule, calculated by summing the atomic weights of atoms in the molecular formula . Note that the words mass and weight are often used interchangeably in chemistry.

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Industry/Domain: Chemistry
Category: General chemistry
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molecular weight

Weather; Meteorology

The weight of 1 mole (equal to Avogadro's number of particles) of a particular molecule. The mass of 1 mole of carbon atoms is defined as 12 grams.

molecular weight

Natural environment; Coral reefs

The sum of the atomic weights of the atoms in a molecule.

molecular weight

Manufacturing; Plastic injection molding

The sum of the atomic weights of all atoms in a molecule. Especially in plastics an average molecular weight is reported.

molecular weight

Agriculture; Rice science

The sum of the atomic weights of a molecule's constituent atoms.

molecular weight

Science; General science

The sum of the atomic weights of all atoms making up a molecule. Actually, what is meant by molecular weight is molecular mass. The use of this expression is historical, however, ...

molecular weight

Energy; Natural gas

The sum of the atomic masses of the elements forming the molecule. In high polymers the molecular weights vary so widely they must be expressed as averages.

centrifuge

Chemistry; General chemistry

Equipment used to separate substances based on density by rotating the tubes around a centred axis.

cell potential

Chemistry; General chemistry

The force in a galvanic cell that pulls electron through reducing agent to oxidizing agent.

conductor

Chemistry; General chemistry

Material that allows electric flow more freely.

cuvette

Chemistry; General chemistry

Glassware used in spectroscopic experiments. It is usually made of plastic, glass or quartz and should be as clean and clear as possible.

deionization

Chemistry; General chemistry

The removal of ions, and in water's case mineral ions such as sodium, iron and calcium.

deliquescence

Chemistry; General chemistry

Substances that absorb water from the atmosphere to form liquid solutions.

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