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Investigating energy changes during displacement reactions
Member rating: No Rating | Words: | Submitted: Tue Aug 26 2003
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Investigating energy changes during displacement reactions Aim To find whether the position of a metal in the reactivity series affects how much energy is released during displacement reaction. Introduction A displacement reaction is a reaction with a metal high in the reactivity series, which displaces one below it. For example, calcium could displace iron in a reaction, as it is higher in the reactivity series. (See diagram below). Potassium Most Reactive Sodium Calcium Magnesium Zinc Iron Tin Copper Least Reactive Displacement reactions are exothermic reactions, which means they give off heat when reacted. When a metal is being displaced it means heat energy is given off. Predictions I predict that the reaction of zinc with copper sulphate will have a bigger exothermic reaction than iron with copper sulphate. I think this because zinc and iron are higher up in the reactivity series therefore they displace copper. As zinc is higher up in the reactivity series than iron, so there will be more gas given off by the...
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