reaction profiles

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Chemistry

Thermodynamics

GCSE Chemistry

AQA

Energy Changes

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5 Terms

1
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when can chemical reactions only occur?
when reacting particles collide with each other and with sufficient energy
2
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what is activation energy?
minimum amount of energy that particles must have to react
3
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what do reaction profiles show? (x3)
relative energies

activation energy

overall energy change
4
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how can you tell if a reaction is exo from its reaction profile?
if the reactants have more energy than the products
5
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how can you tell if a reaction is endo from its reaction profile?
if the products have more energy than the reactants