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Spontaneous decomposition of an atom.

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    The most famous type of garnet stone is pyrope (flaming). This is the "oldest of garnets", with a dense red color, similar to the grain of an edible garnet. Pyrope has a variety called rhodolite - a stone of dense pink or pink-purple color, which sometimes has the alexandrite effect and is used in...

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Henry's Law

The pressure of the gas above a solution is proportional to the concentration of the gas in the solution.

Dry Cells

Ordinary batteries (voltaic cells) for flashlights. radios, and so on, many are Leclanche cells.

Condensation

Liquefaction of vapor.

Distilland

The material in a distillation apparatus that is to be distilled.

Heterogeneous Equilibria

Equilibria involving species in more than one phase.

Ioniztion

The breaking up of a compound into separate ions.

Molecular Weight

The mass of one molecule of a nonionic substance in atomic mass units.

Mass

A measure of the amount of matter in an object. Mass is usually measured in grams or kilograms.

Dipole

Refers to the separation of charge between two covalently bonded atoms.

Wild patina, is it so bad?

Usually this kind of patina appears on monuments. The most striking example is the Statue of Liberty in New York.