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The number of repeating corresponding points on a wave that pass a given observation point per unit time.

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Salt Bridge

A U-shaped tube containing electrolyte, which connects two half-cells of a voltaic cell.

Avogadro's Law

At the same temperature and pressure, equal volumes of all gases contain the same number of molecules.

Salicylate

A salt or ester of salicylic acid.

Hydration Energy

The energy change accompanying the hydration of a mole of gase and ions.

Saccharic

of or derived from saccharin or a saccharine substance.

 

Functional Group

A group of atoms that represents a potential reaction site in an organic compound.

Why do copper products change color, and what is the name of the process?

Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.

Conjugated Double Bonds

Double bonds that are separated from each other by one single bond -C=C-C=C-.

Integrated Rate Equation

An equation giving the concentration of a reactant remaining after a specified time, has different mathematical form for different orders of reactants.

Reversible Reaction

Reactions that do not go to completion and occur in both the forward and reverse direction.