Chemistry, 02.12.2019 16:31, ariloveshorses

Iron reacts with oxygen in a chemical hand-warmer. how should this reaction be categorized?
a. as an exothermic process because it releases heat
b. as an endothermic process because it releases heat
c. as an exothermic process because it absorbs heat
d. as an endothermic process because it absorbs heat

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Iron reacts with oxygen in a chemical hand-warmer. how should this reaction be categorized?
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