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A system in which controlled nuclear fisson reactions generate heat energy on a large scale, which is subsequently converted into electrical energy.

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Third Law of Thermodynamics

The entropy of a hypothetical pure, perfect, crystalline sustance at absolute zero temperature is zero.

Ternary Acid

A ternary compound containing H, O, and another element, often a nonmetal.

How is colored crystal made?

However, not everyone knows that in addition to the traditional transparent, there is still an unusually beautiful and spectacular colored crystal, which is obtained through the addition of various metal oxides into the glass. They give the crystal unusually noble shades of red, purple, blue, green and pink colors.

Formula Weight

The mass of one formula unit of a substance in atomic mass units.

 

Frasch Process

Method by which elemental sulfur is mined or extracted. Sulfur is melted with superheated water (at 170°C under high pressure) and forced to the surface of the earth as a slurry.

 

Hydrocarbons

Compounds that contain only carbon and hydrogen.

Chemical Equilibrium

A state of dynamic balance in which the rates of forward and reverse reactions are equal, there is no net change in concentrations of reactants or products while a system is at equilibrium.

Specific Heat

The amount of heat required to raise the temperature of one gram of substance one degree Celsius.

Matter

Anything that has mass and occupies space.

Primary Standard

A substance of a known high degree of purity that undergoes one invariable reaction with the other reactant of interest.