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Mining Hot Packs With Vermiculite

Hot and Cold Paks Chemistry LibreTexts An exothermic reaction gives off heat like our hot pak The iron powder and the oxygen in the bag react to form iron oxide This is called oxidation The salt sped up this reaction and is therefore a catalyst The vermiculite made sure the heat stayed in the baggie The iron oxide that is formed is a.

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Mining Hot Packs With Vermiculite

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