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Monday, 30 June 2014 10:47
I4-34: HAND WARMER
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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
References:
REFERENCES: (PIRA 4C20.60)
Loc codes:
I4, I0
Read
2012
times
Last modified on Tuesday, 15 September 2020 16:51
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Published in
I4 Changes of State
Tagged under
Thermal Properties of Matter