Reaction Profiles (AQA GCSE Chemistry Combined Science): Flashcards
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Reaction profiles
Reaction profiles
Graphs showing energy changes during a reaction
Y-axis in reaction profile
Y-axis in reaction profile
Energy level
X-axis in reaction profile
X-axis in reaction profile
Reaction progress from reactants to products
Activation energy
Activation energy
Minimum energy required to start a reaction
What the 'hump' represents
What the 'hump' represents
Activation energy
Exothermic: reactants vs products energy
Exothermic: reactants vs products energy
Reactants have higher energy than products
Exothermic: energy direction
Exothermic: energy direction
Energy released to surroundings
Exothermic: overall energy change
Exothermic: overall energy change
Negative
Endothermic: reactants vs products energy
Endothermic: reactants vs products energy
Products have higher energy than reactants
Endothermic: energy direction
Endothermic: energy direction
Energy absorbed from surroundings
Endothermic: overall energy change
Endothermic: overall energy change
Positive