Chemistry A-Level
Units derived from axes
What Units derived from axes means in Chemistry A-Level, as defined for OCR.
Definition of Units derived from axes
Check what you remember
Read the wording for your board, then hide it and explain Units derived from axes in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Units come from the axes, for example mol dm⁻³ s⁻¹ for concentration against time, or cm³ s⁻¹ for gas volume against time.
Topics that use Units derived from axes
- Reaction rates (OCR A-Level)
Related terms
- Activation energy
- Alternative reaction pathway
- Boltzmann distribution
- Catalysis and activation energy
- Catalyst examples
- Catalyst regenerated and not consumed
- Catalyst regenerated in the mechanism
- collision frequency
Using Units derived from axes 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.
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