How Hand Warmers Work | Iron Oxidation & Exothermic Rust Reaction
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YouTubeGlobal Science Hub
How Hand Warmers Work | Iron Oxidation & Exothermic Rust Reaction
Hand warmers work through a simple but powerful chemistry reaction called iron oxidation. Inside each disposable hand warmer is iron powder mixed with salt and water. When exposed to oxygen in the air, the iron reacts to form rust in an exothermic reaction — meaning it releases heat. This controlled oxidation process is the same chemical ...
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