about how big was each cheek cell?
40/18 = 0.045
.045/5 = 0.09
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?
what factors effect the rate of diffusion?
temperature, size of molecule, distance, concentration, solubility, volume
hydrochloric acid is what kind of acid
what kind of acid is carbonic acid
what is a molecule that prevents a change in the ph of a solution?
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