23. What process drives Brownian motion? with Brownian motion, what do you predi

Question

23. What process drives Brownian motion? with Brownian motion, what do you predict would happen to the movement of the particles you 24. Based on your experimentation examined if you cooled the slide? Why? 25. What particle diffused the farthest, potassium permanganate or methylene blue? What was the factor in the difference in diffusion rates? 26. Which osmosis bag in your experiment gained the most weight? 27. Was the bag that gained the most weight hypertonic, hypotonic, or isotonic to the solution in the beaker? 28. Which bag lost weight in your experiment?

Explanation / Answer

Ans 23 Brownian movement is mainly occurs due to the bombardment of particles in the zig zag motion.The particles continuously moves and possess an collision force due to which brownian movement occur.

Ans 24 The movement of particles will slow in cool slide because the movement of particles possess kinetic energy due to which browninan movement occur and in cool slide the kinetic energy will decrease and hence the movement of particles.

Ans 25 Methylene blue will show less diffusion because Of its high molecular weight and physical properties as compared to potassium permanganate which is smaller and hence diffuse vastly then methylene blue.

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