Combustion of Cellulose Nitrate (GunCotton)
Comparing Specific Heat of Metals II
Endothermic Reactions of Barium Hydroxide and Ammonium Salts
Explosive Decomposition of Nitrogen Triiodide
Explosive Reaction of Hydrogen and Oxygen
Comparing Specific Heat of Metals I
Decomposition of Ammonium Dichromate
Evaporation as an Endothermic Process
Evaporation of Ether is Endothermic
Explosions of Lycopodium and Other Powders
Reaction of Calcium Oxide and Water
Reaction of Potassium Permanganate and Glycerine
Spontaneous Combustion of White Phosphorus
Reactions of Metals and Hydrochloric Acid
Combustion of Carbon Disulfide With Nitrous Oxide
Reaction of Aluminum and Mercury (II) Chloride
Chemical Hot Pack
Description: First-Aid Hot packs, containing either calcium chloride or magnesium sulfate, plus water, demonstrate a spontaneous exothermic solution process. These can be passed around to students.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1983 Vol: 1 Page 36
Keywords: Hot pack, Exothermic, Sodium thiosulfate, Calcium chloride
Rating: 
Hazard: Low
- Sealed contents
Effectiveness: Average
- Average connection from demo to course material
- Time to results is low
- Good reliability
- No direct observation
- Mild effects are seen by audience
Difficulty: Low
- Simple procedures
- Simple manipulations for most to perform
- Experiments in which samples are passed out
Safety Precautions:
- Eye protection required
- Absorbent material on hand
Class: Thermochemistry
Division: General
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