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Weighted average of the masses of the constituent isotopes of an element, The relative masses of atoms of different elements.

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Central Atom

An atom in a molecule or polyatomic ion that is bonded to more than one other atom.

Percentage Ionization

The percentage of the weak electrolyte that ionizes in a solution of given concentration.

Manometer

A two-armed barometer.

Free Energy, Gibbs Free Energy

The thermodynamic state function of a system that indicates the amount of energy available for the system to do useful work at constant T and P.

What's In Your Beverage? How to Ensure Quality Control with CO2 Analytical Support

Calibration standards, performance audits, and the FDA's never-ending safety, labeling, and inspection requirements are just the tip of the iceberg when it comes to dealing with the increasingly stringent quality control standards of the beverage industry.

As these quality standards become stricter, beverage producers are increasingly called upon to get products to market faster using fewer resources, while simultaneously managing ingredient quality, and ultimately, risk.

Metallic Bonding

Bonding within metals due to the electrical attraction of positively charges metal ions for mobile electrons that belong to the crystal as a whole.

Aldehyde

Compound in which an alkyl or aryl group and a hydrogen atom are attached to a carbonyl group and a hydrogen atom are attached to a carbonyl group, general formula, O-R-C-H

 

Precipitate

An insoluble solid formed by mixing in solution the constituent ions of a slightly soluble solution.

Flux

A substance added to react with the charge, or a product of its reduction, in metallurgy, usually added to lower a melting point.

Homonuclear

Consisting of only one element.