Reaction of hydrogen and oxygen: reacting masses

Description

Through the reaction of copper(II) oxide with hydrogen, the composition of water and its formula can be worked out.

Credits

:
This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
reaction-of-hydrogen-and-...



Apparatus Chemicals

Eye protection for demonstrator

Safety screens

Side-arm test-tubes (140 x 22 mm), 2

Test-tubes, 2

One-hole bung, to fit side-arm tubes, 2

Right-angled glass delivery tubes, 2

Short length of glass tubing, to fit bung

Combustion tube, about 15 cm long

Drying tube

One-holed bung, to fit drying tube

Right-angled glass tube with jet

Short lengths of rubber tubing

Glass or ceramic wool

Dropping pipette teats, to seal glass tubes, 2

Bunsen burner

Access to a balance

Boss, clamp and stand

Copper(II) oxide - wire form, (HARMFUL, DANGEROUS FOR THE ENVIRONMENT), 25-30 g

Concentrated sulfuric acid (CORROSIVE), about 20 cm3

Anhydrous calcium chloride granules (IRRITANT), enough to fill drying tube.

Access to a supply of hydrogen (EXTREMELY FLAMMABLE): cylinder or chemical generator - see Standard Techniques: Generating, collecting and testing gases

Refer to Health & Safety and Technical notes section below for additional information.

 






Through the reaction of copper(II) oxide with hydrogen, the composition of water and its formula can be worked out.

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology.