Multiple questions. Consider a fluidized bed fed with 2 atm air at 25 C; particles have density 910 kg/m3, size 0.23 mm, shape factor 0.81 and Emf = 0.4. Cross

section of empty bed is 0.4 m2 and contains 250 kg solids. Find Lmf in meters and Ap in Pa. Show work on scratch for each of these. Multiply these together, and closest to: A) 6500 B) 6000 C) 8000 D) 7000 E) 7500