Combined Science GCSE
Using equations and units
What Using equations and units means in Combined Science GCSE, as defined for AQA.
Definition of Using equations and units
Check what you remember
Read the wording for your board, then hide it and explain Using equations and units in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The relationship is mean rate of reaction = quantity of product formed ÷ time taken, and the answer carries a compound unit such as g/s or cm³/s.
Topics that use Using equations and units
- Calculating rates of reactions (AQA GCSE)
Related terms
- Gradient
- Graph skills
- Graphical analysis of rate
- Mean rate of reaction
- Rate of reaction
- Reactant used or product formed
- Steeper tangent
- Tangent
Using Using equations and units 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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