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The properties of a copper envelope

Description

Copper foil is folded into the shape of an envelope before being heated in a Bunsen burner. On cooling, the foil can be opened and it can be seen that where there was no contact with oxygen the copper remained unreacted.

Credits

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

Eye protection

Each group of students will require:

Bunsen burner

Heat resistant mat

Tongs

Copper foil, 4 cm x 4 cm

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

 

 


 


 




Copper foil is folded into the shape of an envelope before being heated in a Bunsen burner. On cooling, the foil can be opened and it can be seen that where there was no contact with oxygen the copper remained unreacted.

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 .