Chemistry A-Level
Decrease in entropy
What Decrease in entropy means in Chemistry A-Level, as defined for OCR.
Definition of Decrease in entropy
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Reference: OCR
A reaction that decreases the number of gas molecules usually decreases the entropy of the system.
Topics that use Decrease in entropy
- Enthalpy and entropy (OCR A-Level)
Related terms
- Activation energy and reaction rate
- Comparison of solid, liquid and gas
- Entropy change and the T∆S term
- Entropy of the system
- Feasibility and the sign of ∆G
- Freedom of motion of particles in each state
- Gibbs equation and free energy change
- Gibbs free energy and feasibility
Using Decrease in entropy in the exam
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