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Chemistry
Tori Weiss
6 April, 22:21
Which event is endothermic?
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Kaitlyn
6 April, 22:36
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Physical processes:
-Evaporation
-Melting
-Dissolving of some ionic compounds
(eg. ammonium chloride, potassium chloride and hydrated copper (II) sulfate)
Chemical reaction:
-Photosynthesis
-Action of light on silver bromide in photographic film
-Thermal decomposition
(eg. heating of calcium carbonate to produce calcium oxide and carbon dioxide)
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