Collision Model

AP Chemistry· difficulty 3/5

kinetic energy Eₐ T₁ (low) T₂ (high)

The figure indicates that at higher T

  • A

    Distribution narrows

  • B

    More molecules exceed Eₐ

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  • C

    Eₐ shifts left

  • D

    Fewer molecules exceed Eₐ

Explanation

The higher-T curve has a larger area to the right of Eₐ — more molecules can react.

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