Chemistry 9701 · AS & A Level · States of matter

States of matter — practice question

The Boltzmann distribution shown below represents how molecular energies are spread among the molecules in a gas sample at a particular temperature. Which statement correctly describes how this distribution changes when the temperature is raised?

  • AFewer molecules possess the most probable energy value and this value shifts to the left.
  • BFewer molecules possess the most probable energy value and this value shifts to the right.
  • CMore molecules possess the most probable energy value and this value shifts to the left.
  • DThe area under the curve of the distribution increases.

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