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An endothermic reaction is any chemical reaction that absorbs heat from its environment. Ex: the reaction of barium hydroxide octahydrate crystals with dry ammonium chloride,dissolving ammonium chloride in water Ex exothermic: any combustion reaction, neutralization reaction,rusting of iron (rust steel wool with vinegar)the thermite reaction.
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High-achievers, what are your study habits/tips?
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What is the best way to remember specific dates etc.. without making pneumonics?