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Dry Ice Fire Demonstration

Dry Ice Fire Demonstration

Halloween 2007. This years halloween show I had 250 pounds of dry ice for my chemistry demonstrations. This reaction is between metallic magnesium and carbon dioxide. Magnesium reacts with oxygen in the air to form magnesium oxide, but when the only source of oxygen is from CO2 the reaction becomes much more energetic. The products are white magnesium oxide and blck carbon. 2Mg + CO2--> 2MgO + C