products minus reactants
What products minus reactants means in Chemistry A-Level, as defined for AQA.
Definitions of products minus reactants
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Reference: AQA
The entropy change of a reaction is the difference in dispersal between the two sides, calculated as ΣS(products) − ΣS(reactants).
The difference H(products) − H(reactants) that gives ∆H.
Topics that use products minus reactants
- Enthalpy change (AQA A-Level)
- Gibbs free-energy change, ∆G, and entropy change, ∆S (A-level only) (AQA A-Level)
Related terms
- bond breaking is endothermic
- bond making is exothermic
- calculating ∆S from absolute entropies
- constant pressure
- enthalpy against entropy
- enthalpy change
- enthalpy profiles
- entropy
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