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14 cards from this deck
A reaction that takes in energy from surroundings
In or inside
Temperature drops, surroundings get colder
Products have more energy than reactants
Compounds break down when heated
CaCO3CaCO_3CaCO3 breaks into CaOCaOCaO and CO2CO_2CO2
CaCO3→CaO+CO2CaCO_3 \rightarrow CaO + CO_2CaCO3→CaO+CO2
Gets colder (endothermic), used in cold packs
Treating sports injuries
Water and chemical (e.g. ammonium nitrate) separated
Squeeze to break barrier and mix chemicals
10-15°C instantly
Reaction cannot be reversed easily
Higher than reactants
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