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week 3 team assignment - Running head LEARNING TEAM...

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Running head: LEARNING TEAM ASSIGNMENT: CHEMICAL REACTIONS 1 Learning Team Assignment: Chemical Reactions Jonathan Brady Scott, David Lazano, Tiffany Bush, Joe Wickenden, Jessica Addison Chemistry 110 January 23, 2012 Dr. Tobey Tam
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LEARNING TEAM ASSIGNMENT: CHEMICAL REACTIONS 2 Examine your product Chemistry has allowed us to create heat without making a mess with fire and smoke. We no longer have to work really hard to create heat by rubbing two objects together. Instead, we can simply use hot packs to sooth achy muscles or warm our hands and feet. These chemical heating packs can be used safely at home, hospitals, in our offices. Hot packs are commercially available and can be found anywhere from a gas station to a pharmacy. When we think of heat, fire certainly comes to mind. To get fire, four components must exist. These four components (commonly referred to as the fire tetrahedron) are: fuel, heat, oxidizing agent, and an uninhibited chemical reaction. The heat of a hot pack is easiest thought of as a chemical reaction between two or more substances. Hot packs are generally divided into two compartments, each of which may contain a chemical reactant.
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