Thermochemistry- Hand Warmer

Description: Commercially available hand warmer that uses the oxidation of iron to provide heat. Just expose the packet to air, and it will remain warm for several hours.

Source: UW Card Catalog

Year: N/A Vol: N/A Page: N/A

Keywords: Oxidation, Iron, Heat

Rating:

Hazard: Low

Self-contained reagents
Mild ingestion hazard if outer pouch is broken

Effectiveness; Average

Good connection from demo to course material
No visual effects
Time to results is medium
High reliability
Secondary observations
Hard to observe or perceive results

Difficulty: Low

Simple procedures
Simple manipulations for most to perform
Standard lab conditions
Demos in which samples are passed out to audience
Demos in which a display is used

Safety Precaution:

Eye protection required
Use of UL approved three-prong plug and outlet if temperature is displayed.

Class: Thermochemistry

Division: General

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