Diffusion

LC3.2.1.1

Diffusion

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Description

Particles never lie still because of Brownian motion. The strength of the movement largely depends on the size of the particle and the temperature. Because of this constant movement, there is always a “natural mixing” when there are differences in concentration. This equalisation of concentration through particle motion is called diffusion. In this experiment, the students explore the influence of temperature on diffusion.

Components of equipment sets

1	6737800 4	Sodium sulfite, 100 g
1	6747920 4	Sulfuric acid, diluted, approx. 2 N (= 10 %), 500 ml Warning H290 H315 H319
1	30945 4	Universal pencil
1	6045682 4	Powder spatula, steel, 185 mm
2	664183 4	Petri dish, 100 x 20 mm, glass
1	610010 8	Laboratory safety goggles
1	6727000 4	Potassium permanganate, 100 g Danger H272 H302 H410

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Diffusion

Description

Components of equipment sets

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