We know that in turbulent diffusion, the energy which drives the diffusion comes from the wind. Explain in one sentence where the energy to move particles by Brownian diffusion comes from. b. Why does diffusion generally cause movement of chemical species from high concentration to low concentration? c. Could diffusion ever cause the movement of chemical species from low concentration to a higher concentration? Explain what must happen for this to occur. Feel free to draw a picture to assist your explanation

Structural Analysis
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Chapter2: Loads On Structures
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a. We know that in turbulent diffusion, the energy which drives the diffusion comes from the wind. Explain in one sentence where the energy to move particles by Brownian diffusion comes from.


b. Why does diffusion generally cause movement of chemical species from 
high concentration to low concentration? 


c. Could diffusion ever cause the movement of chemical species from low 
concentration to a higher concentration? Explain what must happen for this to occur. Feel free to draw a picture to assist your 
explanation

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