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In this lab, students recreate the reaction from hand warmers in a plastic bag.
This resource is part of the Chemistry course which contains units on Lab Setup and Safety; Nomenclature; Chemical Reactions and Balancing; Metric Systems & Conversions; Periodic Table and Trends; Atomic Structure; Nuclear Chemistry; Acids, Bases, & Salts; Bonding; Percent Composition; Solutions, Molarity, and Concentrations; Stoichiometry; Energy; Gas Laws; Reaction Rates and Equilibrium; Electron Configuration; and Redox Reactions.
This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 3, as of 2014-01-06.
That was very helpful.
Here is an article I found helpful with more background on how these work: http://www.scienceiq.com/facts/warmerhands.cfm Also, just for "fun," here is a study concludes that EATING one will not cause you any serious toxicity! http://www.ncbi.nlm.nih.gov/pubmed/18787994 (I wonder why four elderly patients ingested the contents of hand warmers in the first place...)