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Exam (elaborations)

Reaction profile diagrams: Energy Changes: Chemistry: GCSE (9:1)

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Requirements for a reaction to take place Particles must collide, with sufficient energy Activation energy Minimum amount of energy required to start a chemical reaction Reaction profile diagram A graph which shows the change in energy of a chemical reaction Products The new substances formed by a chemical change

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  • reaction profile diagrams energy changes chemist

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Reaction profile diagrams: Energy
Changes: Chemistry: GCSE (9:1)
Requirements for a reaction to take place

Particles must collide, with sufficient energy

Activation energy

Minimum amount of energy required to start a chemical reaction

Reaction profile diagram

A graph which shows the change in energy of a chemical reaction




Products

The new substances formed by a chemical change

, Reactants

The starting material in a chemical reaction




Reaction profile - exothermic

Reactants are at higher energy than products
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