Diffusion & factors affecting it
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6 Terms
Define diffusion
The net movement of particles from an area of higher concentration to an area of lower concentration
What states does diffusion occur in?
Gases & Solids
What can particles diffuse through, and give an example
Partially permeable membranes/Cell membrane
what is a partially permeable membrane
a membrane that only some particles can diffuse through, depending on size
does diffusion require energy?
no.
what are the 3 factors affecting the rate of diffusion
Difference in concentration (the larger the concentration gradient, the higher the rate)
Temperature (higher temp = faster particles = higher rate)
Surface area (larger surface area = higher rate)
