1. The diffusion of a solute in solution can be illustrated this way: a) Using this diagram as a guide, define diffusion. b) Is diffusion a spontaneous or a non-spontaneous process? (Look up the definition of "spontaneous" if you are not familiar with the usage of this term in science.) c) Based on your answer in (b) above, do you expect G for this process to be negative, positive, or zero? Explain your answer. 2. (a) Briefly describe the main difference between diffusion and osmosis