Chemistry A-Level
Line of best fit and gradient calculation
What Line of best fit and gradient calculation means in Chemistry A-Level, as defined for OCR.
Definition of Line of best fit and gradient calculation
Check what you remember
Read the wording for your board, then hide it and explain Line of best fit and gradient calculation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The gradient is found from the coordinates of two well-separated points on the line of best fit, not from a single data point.
Topics that use Line of best fit and gradient calculation
- 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 Line of best fit and gradient calculation 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.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Chemistry A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge