Chemistry A-Level
comparing rates
What comparing rates means in Chemistry A-Level, as defined for AQA.
Definition of comparing rates
Check what you remember
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Reference: AQA
The stronger acid gives the steeper curve in the initial rate of gas evolution with a carbonate, while the amount of acid fixes the same final volume or mass loss.
Topics that use comparing rates
- Weak acids and bases, Ka, for weak acids (A-level only) (AQA A-Level)
Related terms
- approximations
- position of equilibrium
- strength versus concentration
- acid dissociation constant
- partial dissociation
- pKa
- ranking acid strength
Using comparing rates in the exam
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