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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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Surface tension of liquids 2 (observation)

In this video we are experimenting with food colourings.

Endothermic reaction

Barium hydroxide reacts with ammonium nitrate while absorbing heat from their surroundings.

Negorljiv papirnati robček

Pokukajmo v zakulisje gastronomije in filmskih trikov: ali predmeti v plamenih res vedno gorijo?

The surface tension of liquids (observation)

We observe whether a razor blade can float on the surface of different liquids.

Ognjeni pomarančni olupki

Ko se eterično olje, ki ga vsebuje pomarančna lupina, dotakne plamena sveče, zagori in deluje...

Kalcijeve orbitale

Animacija prikazuje zgradbo s in p orbital kalcijevega atoma.

Exothermic reaction

When heated, powdered sulphur reacts with powdered zinc, releasing heat.

Pogoji za vžig

Ta poskus nam bo pokazal, da gorenje ni mogoče, če manjka ena od naslednjih sestavin: gorljiva...

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