21. Дали водата секогаш го гаси огнот?

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21. Дали водата секогаш го гаси огнот?
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2020-02-22 - commons.wikimedia.org

Summary

Put some magnesium (both chunks and scraping) into a dent of a brick. Light the magnesium by a burner and spray it with water (use a syringe). A strong ignition occurs (often with lots of sparks), as a result of the two exoenergetic reactions, described by the equations: Mg(s) + H2O(l) = MgO(s) + H2

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Details

  • Source collection: Wikimedia Commons
  • License: CC / Public Domain
  • Category: Mathematics

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