Science Essay

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Practice Problems for Diffusion and Osmosis: 1. If a cell (with no dye in it) is in a solution of 10% dye molecules and the dye can cross the cell’s membrane, what do you predict will happen to the dye? 2. If a cell (with 3% alcohol in it) is in a solution of 10% alcohol molecules and the alcohol can cross the cell’s membrane, what do you predict will happen to the alcohol? 3. If a cell (with 10% oxygen in it) is in a solution of 3% oxygen molecules and the oxygen can cross the cell’s membrane, what do you predict will happen to the oxygen? 4. If a cell contains 3% carbon dioxide that can cross the cell’s membrane and is put into a solution of 2% carbon dioxide, what do you predict will happen to the carbon dioxide? 5. You have a cell, with a semi permeable membrane and a 1.5% potassium concentration. You put it into a solution of 2% potassium. What adjective describes the solution? What direction would you expect water to flow? What do you expect to see happen to the cell? 6. You have a cell, with a semi permeable membrane and a 1.5% potassium concentration. You put it into a solution of 1.05% potassium. What adjective describes the solution? What direction would you expect water to flow? What do you expect to see happen to the cell? 7. You have a cell, with a semi permeable membrane and a 1.2% chloride concentration. You put it into a solution of 1.05% chloride. What adjective describes the solution? What direction would you expect water to flow? What do you expect to see happen to the cell? 8. You have a cell, with a semi permeable membrane and a 0.5% calcium concentration. You put it into a solution of 0.05% calcium. What adjective describes the solution? What direction would you expect water to flow? What do you expect to see happen to the cell? 9. You have a cell, with a semi permeable membrane and a 0.05% sodium

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