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Electrochemical cells in which spontaneous chemical reactions produce electricity, also called galvanic cells.

 

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Coke

An impure form of carbon obtained by destructive distillation of coal or petroleum.

Rate-law Expression

Equation relating the rate of a reaction to the concentrations of the reactants and the specific rate of the constant.

Cohesive Forces

All the forces of attraction among particles of a liquid.

Solvolysis

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

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.

Downs Cell

Electrolytic cell for the commercial electrolysis of molten sodium chloride. For further information see Electrochemistry or Fuel Cells.

Polymer

A large molecule consisting of chains or rings of linked monomer units, usually characterized by high melting and boiling points.

Free Energy Change

The indicator of spontaneity of a process at constnt T and P. If delta-G is negative, the process is spontaneous.

Electrophile

Positively charged or electron-deficient.

Meniscus

The shape assumed by the surface of a liquid in a cylindrical container.