Reaction Energy Profile

AP Chemistry· difficulty 2/5

An energy profile shows products at lower energy than reactants.

Reaction progress

The reaction depicted is:

  • A

    Reversible only above 0 K

  • B

    Thermoneutral

  • C

    Exothermic (products lower than reactants)

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  • D

    Endothermic

Explanation

Products are lower in energy than reactants, indicating heat is released — exothermic.

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