Technical data

Comparison of a physical process and a chemical reaction

Item No. P7151200

Principle

Students gather in this experiment first impression of a chemical process and describe characteristics of chemical processes or reactions and therefore distinguish chemical and physical processes. The differences between chemical reactions and physical processes are illustrated in this experiment by heating naphthalene and sugar in a test tube. In chemical reactions substances undergo permanent changes; new substances with new properties are formed.

Scope of supply
Protecting glasses, clear glass	39316-00	1
Rubber gloves, size M (8), one pair	39323-00	1
Laboratory pen, waterproof, black	38711-00	1
Spatula, powder, steel, l=150mm	47560-00	1
Test tube, laboratory glass, various lengths, 100 pcs.	37658-10	1
Test tube brush w. wool tip,d20mm	38762-00	1
Stearic acid 250 g	30228-25	1
Glass wool 10 g	31773-03	1
Butane burner with cartridge, 220 g	32180-00	1
Test tube holder, up to d 22mm	38823-00	1

Comparison of a physical process and a chemical reaction

Scope of supply

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