Көшетхана әсері

Көшетхана әсері адамның жердегі тіршілігінің әсерінен күшейеді...

Chain reaction

Energy released during nuclear fission can be used for civilian or...

Atmospheric circulation

The difference between the temperature of the polar and equatorial...

Development of the atomic model

Major phases in the history of theories and views about the...

Carbon cycle

Carbon is bound in organic substances during photosynthesis, while...

Structure of nitrogen molecules

This animation demonstrates the structure of nitrogen molecules,...

Phase transitions

A phase transition is the transformation of a substance from one...

Electron configuration of calcium

This animation shows the electron configuration of the calcium atom.

Environmentally friendly vehicles

Combining a conventional internal combustion engine propulsion...

Covalent bonds in benzene molecules

In benzene there are sigma bonds and delocalised pi bonds between...

Ozone layer

The ozone layer filters the Sun´s harmful UV radiation, therefore...

Aluminium smelting

Aluminium smelting is the process of extracting aluminium from...

Sulphurous acid (H₂SO₃)

Colourless, moderate acid, only known in aqueous solution.

Calcium carbonate (CaCO₃)

Limestone is a widely and diversely used material.

House without carbon-dioxide emission

The design and structure of modern houses play an important role...

Reaction of ammonia with hydrogen chloride

Ammonium chloride is the result of the reaction of ammonia and...

Polymerisation of ethene

Polymerised ethylene is known as polyethylene, a type of plastic.

Ferrous metallurgy (intermediate)

Raw iron is produced from iron ore in iron smelters.

Addition

Addition is a reaction in which the molecules of two or more...

Chlorination of methane by a substitution reaction

During the substitution reaction the hydrogen atoms of methane are...

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