BRAINCAKEPhysical States of Reactants and Products
Reactants and products can be solids, liquids or gases. Equations always include state symbols because there will be additional energy needed to change the state of a reactant or product.
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More in Energetics
- Endothermic and Exothermic Reactions
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All 24 lessons in Energetics · All AQA AS-level Chemistry topics