CELL/CHEMISTRY EXPERIMENTS
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Created by:
alliemariko on February 17, 2011
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10 terms
Terms | Definitions |
|---|---|
 about how big was each cheek cell? | 40/18 = 0.045 .045/5 = 0.09 |
| diffusion | the movement of atoms or molecules from an area of high concentration to areas of low concentration |
| what is the distance the molecule can move during a set amount of time? | the rate of diffusion |
| what is the energy of movement of atoms or molecules? | kinetic energy |
| what factors effect the rate of diffusion? | temperature, size of molecule, distance, concentration, solubility, volume |
| hydrochloric acid is what kind of acid | strong |
| what kind of acid is carbonic acid | weak |
| what is a molecule that prevents a change in the ph of a solution? | a buffer |
| what happens to the H+ ions when you breathed into the buffer? | they attach to the buffer (PO4), maintaining the ph of the solution |
| what would happen to the CO2 and H+ ion levels in your blood if you held your breath for as long as possible? | they would increase because they are not being released from the body |
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