Question

consider the following thermochemical reaction:
i₂(s) + cl₂(g) + 54.0 kj → 2icl(g)
part: 0 / 2
part 1 of 2
is this reaction endothermic or exothermic? select the single best answer.
∘ endothermic
∘ exothermic

Explanation:

In a thermochemical equation, if heat (in kJ) is a reactant (added to the left side), the reaction absorbs heat, so it's endothermic. Here, 54.0 kJ is on the reactant side, meaning the reaction requires heat input.

Answer:

A. endothermic