A heat pack is a commercial product used by hikers and skiers as a hand warmer. It consists of a plastic pouch filled with a supercooled solution of sodium acetate (NaCOOCH 3). When a metal disc in ...

Apply cold compresses, ice packs, cold water or cold wet cloth ... on Tuesday listed first-aid measures against heat-related illnesses following reports of high heat index across the country.

Heat exhaustion happens when the body gets too hot, usually during a heatwave or in hot temperatures. Someone with heat exhaustion might have been in the sun or heat for a long time. They might look ...

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 ...