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Wednesday, 18 January 2012

Pocket body warmer Experiment Iron and sulphur

Pocket body warmer

Level Elementary

Concept 
   It is confirmed that heat is released in the chemical reaction by oxidization and sulphuration with iron powder.

Experiment  Iron and sulphur

Materials
iron powder, sulphur, mortar, pestle, thermometer, paper, and balance

Procedure 

  1. The iron powder 14g and the sulphur 8g are measured and taken.Put them in the mortar and mix.
  2. Water is put in by two and three drops, and the ball of iron filings and sulphur is made.
  3. The ball is wrapped with the paper, and the thermometer is inserted in the inside.
  4. The tucked ball with the paper is warmed by the palm.Warm it by the palm until the temperature   exceeds 40℃ You put on the desk
  5. afterwards, and observe it.
              heat
Fe + S    →  FeS


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