Chemistry A-Level
Graphical determination of activation energy
What Graphical determination of activation energy means in Chemistry A-Level, as defined for OCR.
Definition of Graphical determination of activation energy
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Reference: OCR
Measuring k at several temperatures, converting each T to kelvin, plotting ln k against 1/T and drawing a line of best fit, then calculating Ea = –gradient × R.
Topics that use Graphical determination of activation energy
- How fast? (OCR A-Level)
Related terms
- Calculating rate and concentration from the rate equation
- Colorimetry
- Concentration–time graphs
- Constant half-life
- continuous monitoring
- Controlled comparison of experiments
- Deducing order from initial-rate data
- Deducing order with respect to a reactant
Using Graphical determination of activation energy in the exam
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