Chemistry A-Level
Controlled comparison of experiments
What Controlled comparison of experiments means in Chemistry A-Level, as defined for OCR.
Definition of Controlled comparison of experiments
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Reference: OCR
Selecting two experiments in which only the concentration of the reactant under test changes, so that a single reactant is isolated.
Topics that use Controlled comparison of experiments
- How fast? (OCR A-Level)
Related terms
- Calculating rate and concentration from the rate equation
- Colorimetry
- Concentration–time graphs
- Constant half-life
- continuous monitoring
- Deducing order from initial-rate data
- Deducing order with respect to a reactant
- Exponential dependence of k on temperature
Using Controlled comparison of experiments in the exam
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