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Monday, 30 June 2014 10:47

I4-34: HAND WARMER

i4-34a

Additional Info

  • ID Code: I4-34
  • Purpose: Demonstrate the heat of fusion.
  • Description: A plastic bag contains a supersaturated solution of sodium acetate. When fusion is commenced by clicking a metal disc in the solution or by some other shock, the liquid quickly becomes solid, producing a large amount of heat.
  • Availability: Available
  • Loc codes: I4, I0
Read 1481 times Last modified on Tuesday, 15 September 2020 16:51
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