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Melting and freezing

Melting and freezing

During freezing hydrogen bonds are formed between water molecules resulting in a crystal structure.

Ķīmija

Atslēgvārdi

kausēšana, iesaldēšana, fāzes pāreja, Ledus, ūdens, Kušanas punkts, sasalšanas punkts, stāvokļa stāvoklis, ciets, šķidrs, šķidrums, siltuma padeve, siltuma samazināšana, Temperatūra, temperatūras maiņa, eksotermisks, endotermisks, fiziskais īpašums, kristalizācija, Fizika, ķīmija

Saistītie vienumi

Phase transitions

A phase transition is the change of a substance from one state of matter to another.

Evaporation and boiling

What happens in a liquid during evaporation and boiling? What does its boiling point depend on?

Icebergs

Icebergs are blocks of frozen freshwater floating in the sea.

Methane hydrate

A solid substance formed at low temperatures on the ocean floors of Earth by the high pressure.

p-V-T diagram for ideal gases

The relationship between the pressure, volume and temperature of ideal gases is described by the gas laws.

Thermometers

There are various types of instruments used for measuring temperature.

Water (H₂O)

Water is a very stable compound of hydrogen and oxygen, vital for all known forms of life. In nature it occurs in liquid, solid and gaseous state.

Glaciation

The last Ice Age ended about 13 thousand years ago.

How does it work - Refrigerator

This animation demonstrates how a refrigerator works.

How does it work? - Hair dryer

This animation demonstrates the structure and operation of hair dryers.

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