Speaker one Have you ever had a bump or a sprain and needed a cold compress? Speaker two Yes, all the time. Now, some cold packs use a chemical reaction to absorb heat. This is an example of something ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

IS HELL EXOTHERMIC, OR ENDOTHERMIC?<br><br><br> The following is an actual question given on University of Liverpool<br> chemistry finals. The answer by one student was so "profound" that<br> the ...

Commercial heat packs (containing iron and water, or supersaturated sodium acetate) and cold packs (various ammonium salts) can be used to show exo- and endothermicity. Heat packs that contain iron ...

A complete exothermic reaction demonstration with a chemical explanation. Using potassium permanganate and glycerol, Professor Mike Canestro will be performing a complete exothermic reaction ...

Note: Contact The Fire Systems Group at [email protected] [email protected] (email BOTH) ahead of time to have the smoke alarms disabled during the class period when thermite will ...