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CHEG 3301-P01: Homework # 4 Due Sunday, July 21, 2024 Problem # 1: (6.1.1 of the 4th edition) 18.1-1. Diffusion of Methane Through Helium. A gas of CH 4 and He is contained in a tube at 101.32 kPa pressure and 298 K. At one point, the partial pressure of methane is = 60.79 kPa, and at a point PA1 0.02 m distance away, PA2 = 20.26 kPa. If the total pressure is constant throughout the tube, calculate the flux of CH4 (methane) at steady state for equimolar counterdiffusion. Az Ans. J₂ = 5.52 × 10−5 kg mol A/s · m²(5.52 × 10−6 g mol A/s · cm²) Hint: See example 18.1-1 Problem # 2 (6.3-1 of the 4th edition) 9.2-1. Diffusion of A Through Stagnant B in a Liquid. The solute HCl (A) is diffusing through a thin film of water (B) 2.0 mm thick at 283 K. The concentration of HCl at point 1 at one boundary of the film is 12.0 wt % HCl (density p₁ = 1060.7 kg/m³), and at the other boundary at point 2 it is 6.0 wt % HCl (p2 = 1030.3 kg/m³). The diffusion coefficient of HCl in water is 2.5 × 10-9m²/s. Assuming steady state and one boundary impermeable to water, calculate the flux of HCl in kg mol/s · m². . Hint: See example 19.2-1 Ans. N₁ = 2.372 × 10-6 kg mol/s · m²

CHEG 3301-P01: Homework # 4 Due Sunday, July 21, 2024 Problem # 1: (6.1.1 of the 4th edition) 18.1-1. Diffusion of Methane Through Helium. A gas of CH 4 and He is contained in a tube at 101.32 kPa pressure and 298 K. At one point, the partial pressure of methane is = 60.79 kPa, and at a point PA1 0.02 m distance away, PA2 = 20.26 kPa. If the total pressure is constant throughout the tube, calculate the flux of CH4 (methane) at steady state for equimolar counterdiffusion. Az Ans. J₂ = 5.52 × 10−5 kg mol A/s · m²(5.52 × 10−6 g mol A/s · cm²) Hint: See example 18.1-1 Problem # 2 (6.3-1 of the 4th edition) 9.2-1. Diffusion of A Through Stagnant B in a Liquid. The solute HCl (A) is diffusing through a thin film of water (B) 2.0 mm thick at 283 K. The concentration of HCl at point 1 at one boundary of the film is 12.0 wt % HCl (density p₁ = 1060.7 kg/m³), and at the other boundary at point 2 it is 6.0 wt % HCl (p2 = 1030.3 kg/m³). The diffusion coefficient of HCl in water is 2.5 × 10-9m²/s. Assuming steady state and one boundary impermeable to water, calculate the flux of HCl in kg mol/s · m². . Hint: See example 19.2-1 Ans. N₁ = 2.372 × 10-6 kg mol/s · m²

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
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CHEG 3301-P01: Homework # 4 Due Sunday, July 21, 2024 Problem # 1: (6.1.1 of the 4th edition) 18.1-1. Diffusion of Methane Through Helium. A gas of CH 4 and He is contained in a tube at 101.32 kPa pressure and 298 K. At one point, the partial pressure of methane is = 60.79 kPa, and at a point PA1 0.02 m distance away, PA2 = 20.26 kPa. If the total pressure is constant throughout the tube, calculate the flux of CH4 (methane) at steady state for equimolar counterdiffusion. Az Ans. J₂ = 5.52 × 10−5 kg mol A/s · m²(5.52 × 10−6 g mol A/s · cm²) Hint: See example 18.1-1 Problem # 2 (6.3-1 of the 4th edition) 9.2-1. Diffusion of A Through Stagnant B in a Liquid. The solute HCl (A) is diffusing through a thin film of water (B) 2.0 mm thick at 283 K. The concentration of HCl at point 1 at one boundary of the film is 12.0 wt % HCl (density p₁ = 1060.7 kg/m³), and at the other boundary at point 2 it is 6.0 wt % HCl (p2 = 1030.3 kg/m³). The diffusion coefficient of HCl in water is 2.5 × 10-9m²/s. Assuming steady state and one boundary impermeable to water, calculate the flux of HCl in kg mol/s · m². . Hint: See example 19.2-1 Ans. N₁ = 2.372 × 10-6 kg mol/s · m²
Transcribed Image Text:CHEG 3301-P01: Homework # 4 Due Sunday, July 21, 2024 Problem # 1: (6.1.1 of the 4th edition) 18.1-1. Diffusion of Methane Through Helium. A gas of CH 4 and He is contained in a tube at 101.32 kPa pressure and 298 K. At one point, the partial pressure of methane is = 60.79 kPa, and at a point PA1 0.02 m distance away, PA2 = 20.26 kPa. If the total pressure is constant throughout the tube, calculate the flux of CH4 (methane) at steady state for equimolar counterdiffusion. Az Ans. J₂ = 5.52 × 10−5 kg mol A/s · m²(5.52 × 10−6 g mol A/s · cm²) Hint: See example 18.1-1 Problem # 2 (6.3-1 of the 4th edition) 9.2-1. Diffusion of A Through Stagnant B in a Liquid. The solute HCl (A) is diffusing through a thin film of water (B) 2.0 mm thick at 283 K. The concentration of HCl at point 1 at one boundary of the film is 12.0 wt % HCl (density p₁ = 1060.7 kg/m³), and at the other boundary at point 2 it is 6.0 wt % HCl (p2 = 1030.3 kg/m³). The diffusion coefficient of HCl in water is 2.5 × 10-9m²/s. Assuming steady state and one boundary impermeable to water, calculate the flux of HCl in kg mol/s · m². . Hint: See example 19.2-1 Ans. N₁ = 2.372 × 10-6 kg mol/s · m²
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