Chemistry A-Level
Magnitude and sign of the gradient
What Magnitude and sign of the gradient means in Chemistry A-Level, as defined for OCR.
Definition of Magnitude and sign of the gradient
Check what you remember
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Reference: OCR
The gradient's sign shows whether the quantity rises or falls, and the rate of reaction is the magnitude, so report the positive value.
Topics that use Magnitude and sign of the gradient
- Reaction rates (OCR A-Level)
Related terms
- Activation energy
- Alternative reaction pathway
- Boltzmann distribution
- Catalysis and activation energy
- Catalyst examples
- Catalyst regenerated and not consumed
- Catalyst regenerated in the mechanism
- collision frequency
Using Magnitude and sign of the gradient in the exam
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