1. Show that [B], = a +2 satisfy the diffusion equation when the concentration ofa2[B]r 2 a[B]rdiffusion molecules is independent of time? (steady state:쓴 0)ar2r ar

Given that, Concentration Br = a + br The concentration of diffusion molecules is independent of…

Answered: Show that [B], = a +º satisfy the…

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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Hybrid nanofluid Consist of mixed more than one nanopartical with working fluid such as CuO A1203, TiO2 with water and the Thermo physical properties of hybrid nanofluid depend on the type of nanoparticle. For example hybrid nanofluid consist of two of nanofluid Thermo physical properties of hybrid nanofluid Hybrid Nanofluid Phnf = Pfl = p;(1-42) [(1-4) + 4 (B;})] (PCp)nag = (PCp), (1—4₂) [(1–4₂) + 4, Hj Mined (1-01)25(1-02) 25 Ps +$2ps2 Kinf köf = (pcp)st (pcp)f ksz + (S-1)kbf-(S-1) ₂ (kbf-ksz) k2 +(S-1)ky + d₂ (kb-ksz) +$₂ (PCp) sz Where kbf_ks1 + (S-1)kg-(S-1) 1 (ky-ks1) ksi + (S−1)kƒ + ₁ (kj-ks1) = kf Example: evaluate the thermal conductivity of hybrid nanofluid consist of Cu, TiO2 ,H20, 9₁-0.02 for Cu, 9₁-0.03 for TiO₂ Density, specific heat and thermal conductivity of base fluids and nanoparticles H₂O Cu Properties/constituents 997.1 8933 Density, p (kg/m³) 4179 385 Specific heat, Cp (/kg K) Thermal conductivity, k (W/mK) 0.613 401 TiO₂ 4250 686.2 8.9538
Please Solve correctly.
How will be the steady state equimolar counter diffusion flux in gases?
A continuous distillation column is operating at steady state to purify alcohol from a mixture of water and alcohol. Addition of salt breaks the azeotrope and allows for more pure alcohol. Liquid containing, by mass, 55% isopropanol, 8% salt and the rest water, is fed to the column. The vapor product stream (distillate) at the top of the column flows at the same mass flow rate as the bottom liquid stream (bottoms). The vapor product stream contains 80% isopropanol and no salt.a. Define azeotrope and explain why adding salt allows removal of more water from alcohol.b. Draw and label a flowchart. Do degree of freedom analysis to see if all unknowns can be solved.c. Calculate the mass fraction of salt in the bottoms.d. Calculate the fraction of isopropanol from the feed that is in the bottoms (kg IPA in bottoms/kg IPA in feed).
Do not solve 27.11, complete these steps for the process: a) Labeled diagram of the SYSTEM and mass transfer process. Define SOURCE and SINK for mass transfer, and the component undergoing mass transferb) State 4 reasonable assumptions. Develop Differential Equation for Mass Transfer in terms of C A (A = water vapor within gas bubble)c) State reasonable boundary/initial conditions
This problem is (11.16) from a book "Thermodynamics and Statistical Mechanics An Integrated Approach by M. Scott Shell"
5. For the setup given below, water bath gas diathermal wall a. Label the system, system type, and the surroundings b. Given enough time, Tpas = Thath: Explain, using the laws of thermodynamics, which parts of the setup are in thermal equilibrium with each other and why
Select the case with the highest diffusion coefficient! a. Diffusion of acetone in air at 0°, 1 bar. b. Diffusion of hydrogen in air at 0°, 2 bar. c. Diffusion of hydrogen in air at 0°, 1 bar d. Diffusion of hydrogen in air at 25°, 1 bar.
A cylindrical tube connects two large gas tanks (Tank-1 and 2). Both tanks contain mixture of carbon dioxide (CO₂) and sulphur dioxide (SO₂). The partial pressure of carbon dioxide in Tank-1 is 80 kPa and in Tank-2 is 20kPa. Both tanks and connecting tube are at 100 kPa and 263 K. The tube is 100 mm long. The diffusion coefficient of carbon dioxide is 0.064 cm²/s at 100 kPa and 263 K, and molar mass of carbon dioxide is 44 kg/kmol. Calculate the steady-state flux of carbon dioxide through the tube, assuming ideal gas is applied. 11.755 x 10-3 mol/m².s O 7.755 x 10-3 mol/m².s 4.755 x 10-3 mol/m².s 1.755 x 10-3 mol/m².s
Ri = 0.20 cm, Ro = 0.35 cm Please state any assumptions made for the process.
Why does Cp spike at Tm(the point where the solid and liquid) for aliphatic chains under thermotrophic changes when changing from solid to liquid
I need help on these two questions.Thank YOU

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Show that [B], = a +º satisfy the diffusion equation when the concentration of a2[B]r 2 a[B]r diffusion molecules is independent of time? (steady state: ar2 = 0) r ar