mean energy
What mean energy means in Chemistry A-Level, as defined for AQA.
Definition of mean energy
Check what you remember
Read the wording for your board, then hide it and explain mean energy in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The average energy, which sits slightly to the right of the peak because the tail drags the average up.
Topics that use mean energy
- Maxwell–Boltzmann distribution (AQA A-Level)
Related terms
- area beyond the activation energy
- asymptotic tail
- most probable energy
- single crossing point
- area under the curve
- constant area under the curve
- peak lower and shifted right
Using mean energy in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge