Energy and chemical change

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    Leroyyyyyy

    Cards (5)

    • Heat of Reaction (ΔH)

      Define heat of reaction (ΔH) as the energy absorbed or released (per mole) in a chemical reaction.
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    • Exothermic Reactions
      reactions that release energy State that ΔH < 0 for exothermic reactions, i.e. reactions in which energy is released
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    • Endothermic Reactions
      reactions that absorb energy o State that ΔH > 0 for endothermic reactions, i.e. reactions in which energy is absorbed
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    • Activation Energy

      minimum energy needed for a reaction to take place
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    • Activated Complex

      unstable transition state from reactants to products
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