Endothermic and Exothermic Processes

AP Chemistry· difficulty 2/5

A hand warmer (oxidation of iron) is

A
$Exothermic$
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B
$Always non-spontaneous$
C
$Athermal$
D
$Endothermic$

Explanation

Oxidation of Fe releases heat; exothermic, ΔH < 0.

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