Burning in liquid oxygen

Ignited objects burn in liquid oxygen

Scientific name: Liquid oxygen keeps burning

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Safety

Wear eye protection and lab gloves.

There is a serious chilblain risk - avoid contact of liquid oxygen with skin.

There is a serious fire risk - a fire extinguisher should be ready. Keep a safe distance after the sample is put into the beaker with liquid oxygen.

Always follow general safety recommendations. Please note that conducting chemistry experiments you must comply with the relevant legal procedures in your country.

Reaction formula

organic compounds + O2 → CO2 + H2O 2Fe + 3/2 O2 = Fe2O3

Step-by-step instruction

WARNING! This experiment is dangerous! You should NOT perform this at home. ONLY carry out this experiment, if you are a trained chemist, and you understand local safety and legal requirements, which are required to perform such experiments

  1. Carefully pour liquid oxygen into a beaker.
  2. Take a sample (sliver, graphite rod, iron wires and so on) with long tweezers and ignite it with a burner.
  3. Put the ignited sample into the beaker with liquid oxygen. Intense burning is obtained. According to another variation of this experiment, some types of samples may be soaked in liquid oxygen and then ignited.

Scientific background

The sample must be previously ignited to initiate a vigorous burning reaction. When the sample is put into the beaker oxygen contributes to the intensive burning. The reaction will continue until the whole sample burns down.

Danger:
Coolness:
Difficulty:

Published on 10 June 2015

  • Fire
  • Heating with fire
  • Explosion
  • Poisoned gas
  • Organic
  • Electricity
  • Solution
  • Oxidation reduction
  • Color change
  • Precipitate
  • Gassing
  • Catalyst