Question: Hexane has overflowed from a storage tank into secondary containment. The pit is square with a length of 4 m on each side. The hexane

Hexane has overflowed from a storage tank into secondary containment. The pit is square with a length of 4 m on each side. The hexane layer is 10 cm thick at the bottom of the pit. We can assume that there is a 30 cm thick layer of stagnant air over the hexane due to the pit walls. The temperature on this particular day is 25°C and the atmospheric pressure is 1 atm. Identify which limiting case for the general diffusion equation this situation represents and explain your reasoning for choosing that case. Based on the information above and the limiting case you identified, find the flux of hexane from the pit and, based on this flux, estimate how long it will take for the hexane to fully evaporate. How do you think the real time for evaporation will compare to your estimate and why do you think that will be the case?

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To address this multipart problem we will first identify the limiting case for diffusion calculate the flux of hexane estimate the evaporation time and then discuss factors affecting the realtime evap... View full answer

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