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Diffusion

Diffusion

LC3.2.1.1

Diffusion

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Description
Components of equipment sets

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	673 7800 4	Sodium sulfite, 100 g
1	674 7920 4	Sulfuric acid, diluted, approx. 2 N (= 10 %), 500 ml Warning H290 H315 H319
1	309 45 4	Universal pencil
1	604 5682 4	Powder spatula, steel, 185 mm
2	664 183 4	Petri dish, 100 x 20 mm, glass
1	610 010 8	Laboratory safety goggles
1	672 7000 4	Potassium permanganate, 100 g Danger H272 H302 H410

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Diffusion

Description

Components of equipment sets

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