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8 Cards in this Set
- Front
- Back
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what is diffusion |
the spreading out of particles of a gas or in a solution |
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factors that affect the rate of diffusion |
-temperature -surface area -difference in concentration |
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equation of surface area for aiding diffusion |
w x h x faces of shape |
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equation of volume for aiding diffusion |
w x h x d |
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equation for osmosis |
change in mass/initial mass x 100 |
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what is osmosis |
the diffusion of water from a dilute solution to a more concentrated solution through a permeable cell membrane |
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what does semi permeable mean? |
allowing passage of certain (small) molecules of or ions |
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what is active transport |
substances that are sometimes against a concentration gradient which requires energy from respiration |
