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Influence of a change in temperature on the chemical equilibrium /
Influence of a change in temperature on the chemical equilibrium

Influence of a change in temperature on the chemical equilibrium

LC3.5.2.1

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Description
Components of equipment sets

Description

The chemical equilibrium can be influenced by several factors according to Le Chatelier's principle. In this experiment the students make a blue and a green copper complex. Both complexes can be transformed into each other by heating and cooling in an equilibrium reaction. In this way, the students experience the temperature dependence of chemical equilibria in this experiment.

Components of equipment sets

1	309 45 4	Universal pencil
1	667 057 4	Test tube rack metal, 20 mm Ø
1	667 031 4	Test tube holder 20 mm Ø
1	661 091 4	Boiling stones 100 g
3	665 9531 4	Dropping pipette 150 mm x 7 mm Ø
3	665 9541 8	Dropper bulb
2	664 0421 4	Test tube Fiolax 16 mm x 160 mm
1	610 010 8	Laboratory safety goggles
1	667 609 4	Safety gloves, nitrile rubber, size 8
1	666 7031 8	Teclu burner, propane
1	672 9660 4	Copper(II) sulfate solution, 1 mol/l (15 %), 500 ml Danger H318 H400 H410
1	674 6750 4	Hydrochloric acid, conc., 25 %, 250 ml Danger H314 H335 H290
1	675 3410 4	Water, pure, 5 l

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Influence of a change in temperature on the chemical equilibrium

Description

Components of equipment sets

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