Created by lucy.b2566
almost 9 years ago
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Question | Answer |
Osmosis | Osmosis is the spontaneous net movement of solvent molecules through a semi-permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides. |
A partially permeable membrane | A membrane that only lets small type of molecules to go through such as water molecules. This is sometimes called natural selection. |
Water molecules: how do they diffuse? | They move from higher concentration of the membrane to the lower concentration of water in the other side of the membrane. |
Potato chip experiment: the variables | Independent variable/s: concentration Dependent variable/s: mass, length, volume of solution Controlled variable/s: temperature, size of chip, time |
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