Chemistry A-Level
per mole quantities
What per mole quantities means in Chemistry A-Level, as defined for AQA.
Definition of per mole quantities
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Reference: AQA
The basis on which every enthalpy value is quoted, relative to a defined starting point and per mole of a specified substance, in kJ mol⁻¹.
Topics that use per mole quantities
- Enthalpy change (AQA A-Level)
Related terms
- bond breaking is endothermic
- bond making is exothermic
- constant pressure
- enthalpy change
- enthalpy profiles
- products minus reactants
- sign of ∆H
Using per mole quantities in the exam
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