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8300047
C3-Bond Energies
Descrição
GCSE Chemistry (C3) Mapa Mental sobre C3-Bond Energies, criado por Lily O'Brien em 27-03-2017.
Sem etiquetas
c3
gcse
aqa
science
chemistry
bond
bond energy
bond energies
energy
revision
activation energy
chemistry
c3
gcse
Mapa Mental por
Lily O'Brien
, atualizado more than 1 year ago
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Criado por
Lily O'Brien
mais de 7 anos atrás
18
0
0
Resumo de Recurso
C3-Bond Energies
Exothermic - the reactants on a graph are higher than the products formed.
Endothermic- the reactants on a graph are lower than the products formed.
Activation energy is lowered by catalysts.
Activation energy represents the minimum energy needed by reacting particles to break their bonds.
A catalyst provides a different pathway for a reaction that has a lower activation energy ( so the reaction happens more easily and quicker.
The overall energy change for the reaction remains the same though.
On a graph, if a catalyst has been added, the activation energy will be lower than without one and the reaction will be over quicker.
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