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[ | ||
{ | ||
"term": "Conservation of energy", | ||
"meaning": "The idea that energy cannot be created or destroyed. If a reaction transfers energy to the surroundings the product molecules must have less energy than the reactants, by the amount transferred." | ||
}, | ||
{ | ||
"term": "Exothermic reaction", | ||
"meaning": "A reaction that transfers energy to the surroundings so the temperature of the surroundings increases." | ||
}, | ||
{ | ||
"term": "Endothermic reaction", | ||
"meaning": "A reaction that takes in energy from the surroundings so the temperature of the surroundings decreases." | ||
}, | ||
{ | ||
"term": "Activation energy", | ||
"meaning": "The minimum amount of energy that particles must have to react." | ||
}, | ||
{ | ||
"term": "Bond energy", | ||
"meaning": "The amount of energy required to break or form a particular type of covalent bond. Measured in kJ/mol." | ||
}, | ||
{ | ||
"term": "Chemical cell", | ||
"meaning": "A type of cell containing chemicals which react to produce electricity" | ||
} | ||
] |