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Kinetics

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  • What must happen for a reaction to happen?
    Particles need to collide
  • What would happen to the Maxwell Boltzmann distribution if a catalyst was used
    The number of molecules with energy greater than or equal to Ea would increase
  • Define activation energy
    The minimum amount of energy needed for particles to react
  • Do all particles that collide react with eachother?
    No
  • Define the rate of a reaction
    the amount of reactant used or product formed per unit time
  • Define catalyst
    A catalyst is a substance that increases rate of reaction by providing an alternative reaction pathway with lower activation energy. The catalyst is unchanged
  • What does the Maxwell Boltzmann distribution represent
    The distribution of kinetic energy for a certain number of molecules
  • Explain how the Maxwell Botlzmann distribution curve would change with an increase in temperature
    -particles have more kinetic energy and move faster, many more will have energy equal/greater than Ea, shifting the curve to the right with a lower peak
  • What does the peak on the Maxwell Boltzmann distribution curve represent?
    This is the most likely energy of any single molecule
  • What effect does an increase in concentration have on rate of reaction?
    Particles closer together, more collisions mean more successful collisions and increased rate
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