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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