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Evaporation and boiling

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

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How long have we used fire?

In this lesson you will learn about the history of fire and the conditions necessary for...

Klorering af methan ved en substitutionsreaktion

Under substitutionsreaktionen er metanernes hydrogenatomer substitueret med kloratomer,...

Elektronkonfiguration af calcium

Denne animation viser elektronkonfigurationen af ​​calciumatomet.

Mixing substances, separating mixtures 2

Separating mixtures if one of the substances dissolves in water.

The effect of pressure change on chemical equilibrium

Examination of dissolved carbon dioxide in a bottle of carbonated water.

Mixing substances, separating mixtures 1 (observation)

The method of separation of substances in a mixture depends on their different properties.

Addition

Addition er en reaktion, hvor molekylerne af to eller flere stoffer forenes uden dannelse...

Kædereaktion

Energi frigivet under nuklear fission kan bruges til civile eller militære formål.

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