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6. what is diffusion

  • particles of a substance move from a higher rate to a lower rate.
  • atoms or a substance move from a lower to a higher rate
  • particles of a substance from a lower rate to a higher rate
  • atoms or a substance move from a higher to a lower rate

7. in diffusion what direction does particles move in

  • both directions, but there will be a net movement from a high to low concentration
  • both directions, but there is no net movement
  • both directions but there will be a net movement from a low to high concentration
  • verticly, but there will be a net movement from a high to low concentration

8. whats the difference between a dilute solution and a concentrated solution

  • dilute contains high concentration of water molecules, and a concentrated solution contains low concentration of water molecules
  • dilute contains low concentration of water molecules, and a concentrated solution contains high concentration of water molecules