MASS TRANSFER - EXAMPLE 4.3 : According to Adolf Eugen Fick (1829 - 1901) : rate of diffusion v increases with less wall thickness t, increased area A and decreased molecular weight of a fluid M. The diffusion constant D decreased with increasing M. (a) By assuming v, t, dP, A, M and D changes proportionally of each other, find the equation of v as a function of t, dP, A and D. (b) The ratio of self diffusion constant D, at T = 273 K and P = 0.1 MPa, for gases B and C are 1.604 : 0.155. If only 2 gases exist in such a system : hydrogen and nitrogen, find the type of gas for B and C with reference to their molecular weights M. (c) By using the equation of kinetic energy 0.5 MV = constant where V = square of v, find the ratio of V for B and V for C, or V(B) / V(C), as a function of M(B) and M(C), where M(B) is molecular weight of B and M(C) the molecular weight of C : Graham's Law of Diffusion.
Answer Posted / kangchuentat
MASS TRANSFER - ANSWER 4.3 : (a) v = (dP) AD / t. (b) Hydrogen has least M among all gases - general knowledge - highest D. Then B = hydrogen and C = nitrogen. (c) Let 0.5 M(B) V(B) = 0.5 M(C) V(C), then V(B) / V(C) = M(C) / M(B). The answer is given by Kang Chuen Tat; PO Box 6263, Dandenong, Victoria VIC 3175, Australia; SMS +61405421706; chuentat@hotmail.com; http://kangchuentat.wordpress.com.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Do you have any idea on recombinant protein expression?
i am going to appear vedanta written test so plz can any body suggest me for this on madhu.5393@gmail.com
What is an effective means of removing silicon from aluminum?
white rust formation over zinc plated and yellow passivated fasteners during CED painting. WHY?
What is vapour flooding and liquid floodin in distillation?
Explain some good strategies for curing tube vibration in shell and tube exchangers?
A shiny brown colored element ‘x’ on heating in air becomes black in cooler name the element ‘x’and black colored compound formed?
Why does catalytic converter used in an automobile?
What is screen analysis?
dear sir/madam, I had applied for the post of officer trainee so plz if u have any papers both technical or aptitude plz inform me on sonalichavan01@gmail.com
What types of metals are typically removed via chemical precipitation?
what is mass flow rate of steam of 7 kg/cm2 pressure in 1 inch id. pipe.
What type of pump may be appropriate for a liquid near saturation, a low flow rate, and very limited npsha (net positive suction head available)?
i need last year question paper of GATE exam of chemical stream.but i failed i geting exam papers.soits humble request to u that if any body found last years GATE exam paper of chemical stream then send it to on this mail address.i shall be thankful to u for this. mail address:- sachin_4255@yahoo.co.in thank you.
What particle sizes are electrostatic precipitators used to remove?