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Analysis of the chemical equilibrium

Analysis of the chemical equilibrium

LC3.5.1.2

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Description

Each chemical reaction is an equilibrium reaction. The formation of complexes shows very clearly an important property of chemical equilibrium, which is the fact that reactants and products are present in the solution at the same time. Due to the colouring of the different copper complexes, the equilibrium formation can be observed again and again. The students learn that chemical equilibrium means that reactions are reversible and that equilibrium depends very much on the strength of the bonds.

Components of equipment sets

1	667057 4	Test tube rack metal, 20 mm Ø
3	6659531 4	Dropping pipette 150 mm x 7 mm Ø
3	6659541 8	Dropper bulb
1	6640421 4	Test tube Fiolax 16 mm x 160 mm
1	610010 8	Laboratory safety goggles
1	667609 4	Safety gloves, nitrile rubber, size 8
1	6729660 4	Copper(II) sulfate solution, 1 mol/l (15 %), 500 ml Danger H318 H400 H410
1	6746750 4	Hydrochloric acid, conc., 25 %, 250 ml Danger H314 H335 H290
1	6703600 4	Ammonia solution, 25 %, 250 ml Danger H314 H335 H400
1	6753410 4	Water, pure, 5 l

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Analysis of the chemical equilibrium

Description

Components of equipment sets

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