The minimum amount of energy required for a reaction to take place.
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Cell (electrical)
Contains chemicals that react together to release energy.
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Endothermic reaction
A reaction that takes in energy from the surroundings.
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Energy level diagram
(Reaction profile) a diagram showing the relative energies of the reactants and the products of a reaction, the activation energy and the overall energy change of the reaction.
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Exothermic reaction
A reaction that gives out energy to the surroundings.
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Fuel cell
A very efficient way of producing electrical energy in which a fuel is oxidised electrochemically to produce a potential difference or voltage.
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Reaction profile
(Energy level diagram) a diagram showing the relative energies of the reactants and the products or a reaction, the activation energy and the overall energy change of the reaction.
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Reversible reaction
A reaction that can go forwards or backwards.
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Other cards in this set
Card 2
Front
Contains chemicals that react together to release energy.
Back
Cell (electrical)
Card 3
Front
A reaction that takes in energy from the surroundings.
Back
Card 4
Front
(Reaction profile) a diagram showing the relative energies of the reactants and the products of a reaction, the activation energy and the overall energy change of the reaction.
Back
Card 5
Front
A reaction that gives out energy to the surroundings.
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