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Edexcel A-Level Chemistry AS 9.4 Qualitatively in Terms of the Maxwell Boltzmann Distribution of Molecular Energies How Changes in Temperature Affect Questions

Sketch the hotter curve from the same origin with a lower, broader peak to the right and equal area, then compare the enlarged area beyond the unchanged Eₐ line.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
AS

Exam points

  • Sketch a hotter distribution with a lower right-shifted peak and unchanged total area.
  • Explain faster rate through a larger fraction with energy at least Eₐ and more successes.
  • Distinguish rising modal and mean energies from activation energy, which stays fixed.

Edexcel A-Level Chemistry AS 9.4 Qualitatively in Terms of the Maxwell Boltzmann Distribution of Molecular Energies How Changes in Temperature Affect Questions question 1

[Maximum number: 1]

A Maxwell-Boltzmann distribution curve for the particles present in a reaction mixture is shown. Number of particles with energy, E

Figure for Question Edexcel A-Level Chemistry AS 9.4 Qualitatively in Terms of the Maxwell Boltzmann Distribution of Molecular Energies How Changes in Temperature Affect Questions question 1 — Edexcel A-Level Chemistry AS

What happens to the distribution curve when the temperature of the gas is decreased?
□ A
□ B
□ C
□ D

Table for Question Edexcel A-Level Chemistry AS 9.4 Qualitatively in Terms of the Maxwell Boltzmann Distribution of Molecular Energies How Changes in Temperature Affect Questions question 1 — Edexcel A-Level Chemistry AS
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