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Molar Diffusion Initial Final Z (22 - Z1), (m) | (kmol/m2 -sec) Temperature Time (t) flux NA, Coefficient SI. No level Z1 | level 2 (m) (K) (S) DAB, m2 (m) /sec 1 325.3 0.043 0.047 600 0.004 327 0.047 0.049 600 0.002 3 328.6 0.049 0.051 600 0.002 4 326.3 0.051 0.054 600 0.003 Cell Diameter = 0.01m Total pressure = 760 mmHg Paceton = 791 kg/m³ MWaceton = 58 kg/kmole R= 0.062 mmHg/Kmole-k

Molar Diffusion Initial Final Z (22 - Z1), (m) | (kmol/m2 -sec) Temperature Time (t) flux NA, Coefficient SI. No level Z1 | level 2 (m) (K) (S) DAB, m2 (m) /sec 1 325.3 0.043 0.047 600 0.004 327 0.047 0.049 600 0.002 3 328.6 0.049 0.051 600 0.002 4 326.3 0.051 0.054 600 0.003 Cell Diameter = 0.01m Total pressure = 760 mmHg Paceton = 791 kg/m³ MWaceton = 58 kg/kmole R= 0.062 mmHg/Kmole-k

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Molar Diffusion Initial Final Temperature Time (t) z (Z2 – flux NA, Coefficient SI. No level Z1 level Z2 Z1), (m) (kmol/m2 -sec) DAB, m2 /sec (K) (S) (m) (m) 1 325.3 0.043 0.047 600 0.004 2 327 0.047 0.049 600 0.002 3 328.6 0.049 0.051 600 0.002 4 326.3 0.051 0.054 600 0.003 Cell Diameter = 0.01m Total pressure = 760 mmHg Paceton = 791 kg/m³ MWaceton = 58 kg/kmole R= 0.062 mmHg/Kmole-k
Transcribed Image Text:Molar Diffusion Initial Final Temperature Time (t) z (Z2 – flux NA, Coefficient SI. No level Z1 level Z2 Z1), (m) (kmol/m2 -sec) DAB, m2 /sec (K) (S) (m) (m) 1 325.3 0.043 0.047 600 0.004 2 327 0.047 0.049 600 0.002 3 328.6 0.049 0.051 600 0.002 4 326.3 0.051 0.054 600 0.003 Cell Diameter = 0.01m Total pressure = 760 mmHg Paceton = 791 kg/m³ MWaceton = 58 kg/kmole R= 0.062 mmHg/Kmole-k
Volume = (Cross section area of the cell) x (difference in the level), m3 FORMULA: (1) Diffusion Coefficient AZ PBM \PA1- PA2 Diffusion coefficient (DAB) = NA (4 %3D Where: NA (molar flux) = Volume of the solvent evaporated x density/ (Mol. Wt x time x Area), kmol / (s.m²) V xp Molar flux (NA) n d² Area (A) = Mwt XEXA Volume (V) = A.Z 4 R = Gas constant T = Absolute temperature, K = Total pressure, mmHg AZ = (Z2 -Z1), = distance between the top of the cell and the level of acetone Рвм = Logarithmic Mean Air Pressure Difference PBM PB1- PB2 PB1) In PB2 PB1 = Initial air pressure, mmHg PB2 = Final air pressure, mmHg PA1 = Vapor pressure of the solvent at liquid level, mmHg (NOTE: Use either using Antoine equation or vapor pressure table) B log1oP" (in mmHg) = A - T'(in °C) + C PA1= 10(A - ) PA2 = Partial pressure of vapor at the top of the cell (0 mm Hg)
Transcribed Image Text:Volume = (Cross section area of the cell) x (difference in the level), m3 FORMULA: (1) Diffusion Coefficient AZ PBM \PA1- PA2 Diffusion coefficient (DAB) = NA (4 %3D Where: NA (molar flux) = Volume of the solvent evaporated x density/ (Mol. Wt x time x Area), kmol / (s.m²) V xp Molar flux (NA) n d² Area (A) = Mwt XEXA Volume (V) = A.Z 4 R = Gas constant T = Absolute temperature, K = Total pressure, mmHg AZ = (Z2 -Z1), = distance between the top of the cell and the level of acetone Рвм = Logarithmic Mean Air Pressure Difference PBM PB1- PB2 PB1) In PB2 PB1 = Initial air pressure, mmHg PB2 = Final air pressure, mmHg PA1 = Vapor pressure of the solvent at liquid level, mmHg (NOTE: Use either using Antoine equation or vapor pressure table) B log1oP" (in mmHg) = A - T'(in °C) + C PA1= 10(A - ) PA2 = Partial pressure of vapor at the top of the cell (0 mm Hg)
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