topic 4 - endothermic and exothermic reactions
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8 Terms
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what is an endothermic reaction?
a reaction involving energy being taken in from the surroundingsÂ
2
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what happens during endothermic reactions?
the temperature of the surroundings gets colder as heat energy is taken away
3
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what are some examples of endothermic reactions?
photosynthesis, thermal decomposition and electrolysis
4
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what are endothermic reactions used in?
instant ice packs
5
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what is an exothermic reaction?
a reaction involving energy being transferred to the surroundingsÂ
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what happens during exothermic reactions?
the temperature of the surroundings gets hotter as heat energy is released
7
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what are some examples of exothermic reactions?
combustion, neutralisation and oxidation
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what are exothermic reactions used in?
self heating food and and outdoor hand warmers
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