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Impact of Diffusion & Osmosis
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Diffusion
Osmosis
The Salton Sea
Raven/Johnson: Chapter 6
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Biology Laboratory Manual, 6/e
Darrell S. Vodopich, Baylor University
Randy Moore, University of Minnesota--Minneapolis


Exercise 8-Diffusion and Osmosis

Complete the essay questions below and provide your answers as required by your instructor.



1

If a grocer wanted to keep his fresh vegetables fresh and crispy, which type of water would he spray on them and why, distilled water, salt water, or no water at all?
2

Considering that intravenous solutions are injected straight into the blood stream, what do you think is the concentration of salt in the fluid used?
3

What factors affect the direction of diffusion? If diffusion is observed to stop, does this mean that the molecules have stopped moving? Why or why not?