Problem 4 a) Formaldehyde (COH; MW = 30.03) is diffusing in air (MW = 28.97) at 8.3 C and 1 atm. Estimate the diffusion

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Problem 4 A Formaldehyde Coh Mw 30 03 Is Diffusing In Air Mw 28 97 At 8 3 C And 1 Atm Estimate The Diffusion 1 (12.26 KiB) Viewed 37 times

Problem 4 A Formaldehyde Coh Mw 30 03 Is Diffusing In Air Mw 28 97 At 8 3 C And 1 Atm Estimate The Diffusion 2 (34.99 KiB) Viewed 37 times

Problem 4 A Formaldehyde Coh Mw 30 03 Is Diffusing In Air Mw 28 97 At 8 3 C And 1 Atm Estimate The Diffusion 3 (30.37 KiB) Viewed 37 times

Problem 4 a) Formaldehyde (COH; MW = 30.03) is diffusing in air (MW = 28.97) at 8.3 C and 1 atm. Estimate the diffusion coefficient using the Fuller-Schettler-Giddings equation.
Table 18.2-2. Atomie Diffusion Volumes for Use with the Fuller, Schettler, and Giddings Method Atomic and structural diffusion volume increments, v с 163 (C1) 19.5 H 1.98 (S) 17.0 o 5.48 Aromatic ring -20.2 (N) 5.69 Heterocyclic ring -20.2 Diffusion voluties for simple molecules, Lv н, 7.07 CO 18.9 D2 6.70 CO 26.9 He 2.88 NO 359 N 17.9 NH, 149 16.6 HO Air 20.1 (CCI,F) 114.8 Ar 16.1 (SF) 69.7 Kr 22.8 (CH) (Xe) 37.9 (Br) 67.2 5.59 (SO) 41.1 12.7 Womax 37.7 Ne
Problem 4 continued b) Formaldehyde is diffusing through a conical pore as shown below at a temperature of 25 °C and a pressure of 1.65 atm. Determine the molar rate of transport in the pore (NA) in kgmol/s. • Das = 0.155 cm/s at 25C L = 600 um D. = 100 pm PA = 0.15 atm 10 D2 = 300 um PA2 = 0.15 atm