Logarithmic form and graphical determination of Ea
What Logarithmic form and graphical determination of Ea means in Chemistry A-Level, as defined for OCR.
Definition of Logarithmic form and graphical determination of Ea
Check what you remember
Read the wording for your board, then hide it and explain Logarithmic form and graphical determination of Ea in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Taking natural logs gives ln k = ln A – Ea/(RT), so a graph of ln k against 1/T is a straight line of gradient –Ea/R and intercept ln A.
Topics that use Logarithmic form and graphical determination of Ea
- 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 Logarithmic form and graphical determination of Ea 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.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge