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What is diffusion
The net movement of particles from an area of high concentration to an area of low concentration moving down the concentration gradient
Is diffusion a passive process
Yes
What is a passive process
The process requires NO energy
What size must the molecules be in diffusion to move around
Small
Does diffusion happen in solids? Explain why
No - the particles are in a fixed position
What is the relationship between the DISTANCE IN CONCENTRATION and the SPEED OF THE DIFFUSION RATE
The bigger the difference in concentration the faster the diffusion rate
