Sign of standard cell potential
What Sign of standard cell potential means in Chemistry A-Level, as defined for OCR.
Definition of Sign of standard cell potential
Check what you remember
Read the wording for your board, then hide it and explain Sign of standard cell potential in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A positive value predicts the reaction is thermodynamically feasible under standard conditions, and a positive E⦵cell corresponds to a negative standard Gibbs energy change.
Topics that use Sign of standard cell potential
- Redox and electrode potentials (OCR A-Level)
Related terms
- Applying familiar redox method to unfamiliar systems
- Concentration effects
- Dynamic equilibrium at electrodes
- Electrode potential and equilibrium
- Electron transfer
- Electron transfer in redox
- feasibility prediction
- Fuel cell
Using Sign of standard cell potential 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