Chemistry A-Level
heterogeneous and homogeneous
What heterogeneous and homogeneous means in Chemistry A-Level, as defined for AQA.
Definition of heterogeneous and homogeneous
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Reference: AQA
Heterogeneous catalysts are in a different phase from the reactants, typically a solid surface with gases passing over it, while homogeneous catalysts share the phase.
Topics that use heterogeneous and homogeneous
- Catalysts (AQA A-Level)
Related terms
- adsorption on active sites
- area beyond Eₐ
- autocatalysis
- catalyst
- lower activation energy
- proportion of successful collisions
- regeneration of the catalyst
- alternative reaction route
Using heterogeneous and homogeneous in the exam
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