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Description of the quantitative relationships among substances as they participate in chemical reactions.

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Solvolysis

The reaction of a substance with the solvent in which it is dissolved.

Heterogeneous Mixture

A mixture that does not have uniform composition and properties throughout.

Condensation

Liquefaction of vapor.

Explosive

A chemical or compound that causes a sudden, almost instantaneous release or pressure, gas, heat and light when subjected to sudden shock, pressure, high temperature or applied potential.

Second Law of Thermodynamics

The universe tends toward a state of greater diorder in spontaneous processes.

Cathodic Protection

Protection of a metal (making ir a cathode) against corrosion by attaching it to a sacrifical anode of a more easily oxidized metal.

Radical

An atom or group of atoms that contains one or more unpaired electrons (usually very reactive species)

Homogeneous Mixture

A mixture which has uniform composition and properties throughout.

Formula

Combination of symbols that indicates the chemical composition of a substance.

 

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.