Exothermic and Endothermic Reactions

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  • Exothermic and Endothermic Reactions
    • All reactions are either Exothermic or Endothermic
      • Exothermic reaction is when the reaction gives out energy.
        • Rise in temperature
        • Products are lower than reactants
          • Reaction Profiles show if a reaction is Exo or Endo
            • Show energy level of reactants and products
            • Used to work out if energy is released or taken in
            • Difference in height represents the amount of energy given out
        • Difference in height represents the amount of energy given out
        • Combustion Reactions
      • Endothermic reaction is when the reaction takes in energy
        • Fall in temperature
        • Products are higher than reactants
          • Reaction Profiles show if a reaction is Exo or Endo
            • Show energy level of reactants and products
            • Used to work out if energy is released or taken in
        • Difference in height represents energy takes in.
      • Activation Energy is the minimum energy needed to start a reaction
        • Bonds to break
        • Difference between reactants and highest point on the curve

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