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Unit of electrical current, one ampere equals one coulomb per second.

 

Latest Articles

  • Gas of rotten eggs

    If you happen to break a rotten egg, then you know the smell of hydrogen sulfide, because the stench of the spoiled egg depends on of its presence in rotting protein substances.

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    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.

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    In this paper I describe (theoretically) the method(s) of automated protein discovery and synthesis.

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    It's getting close to New Years and many people are starting to think about how to lose those extra pounds they managed to gain over the holidays. There are many sorts of diets and fads that have developed over the years from cutting carbs to cutting protein. Everyone has their own opinion as to...

  • Use of diamonds

    Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most...



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Alloying

Mixing of metal with other substances (usually other metals) to modify its properties.

Alkaline Earth Metals

Group IIA metals

Line Spectrum

An atomic emission or absorption spectrum.

Cis-Trans Isomerism

A type of geometrical isomerism related to the angles between like ligands.

Binary Compound

A compound consisting of two elements, may be ionic or covalent.

Varieties of garnet minerals

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 elite jewelry.

Reaction Ratio

The relative amounts of reactants and products involved in a reaction, maybe the ratio of moles. millimoles, or masses.

 

Homogeneous Equilibria

Equilibria involving only one species in a single phase. For example, all gases, all liquids or all solids.

Structural Isomers

Compounds that contain the same number of the same kinds of atoms in different geometric arrangements.

Amphoterism

The ability to react with both acids and bases.Ability of substance to act as either an acid or a base.