Chemistry, 07.06.2021 18:50 mem8163

II SEP Construct an Explanation Air-activated hand warmers consist
of an iron powder contained in a porous pouch. When the pouch is
removed from its air-tight packaging, oxygen from the air enters the
pouch and reacts with the iron to produce iron(III) oxide. Construct
an explanation for why the pouch gets hot based on changes in
total bond energy.

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II SEP Construct an Explanation Air-activated hand warmers consist
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