I4-34: HAND WARMER
- 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: http://lecdem.physics.umd.edu/images/refs/refsi.htm#I4-34
- Loc codes: I4, I0