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Model of a fire extinguisher

Model of a fire extinguisher

Item no.: P7154000

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Principle

Carbon dioxide has characteristic properties which are used in the technical applications. For example the flame-smothering effect of the carbon dioxide is used for firefighting. In foam extinguishers carbon dioxide is produced and sprayed as a foam into the burning substances to smother the flames (by displacement of atmospheric oxygen). In this experiment students construct the model of a fire extinguisher. The carbon dioxide forms (prepared by the reaction from sodium carbonate and hydrochloric acid) a foam (with some drops of soap) which is sprayed on burning fuel and the flame (by displacement of oxygen) is smothered.

 

What you can learn about

  • Principle of an fire-extinguisher
  • Properties of Carbon dioxide

 

Benefits

  • Easy teaching and efficient learning by using interactive experimentation PHYWE-Software
  • Experiment is part of a complete solution set with experiments for all Inorganic Chemistry matched with international curriculum: all topics are covered

 

Document     Filesize
p7154000e.pdf Experiment guide, English 480.14 KB

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