Equimolar counterdiffusion of A and B occurs through a spherical film of i.d=ri and thickness ‚âà√≠¬¨‚Ä¢. The flux of A is NA1 at r=ri. The flux through a flat film of the same thickness is NA2. if NA1 is larger than NA2 by 5%, the film thickness ‚âà√≠¬¨‚Ä¢ is$

Equimolar counterdiffusion of A and B occurs through a spherical film

1.	Equimolar counterdiffusion of A and B occurs through a spherical film of i.d=r_i and thickness ‚âà√≠¬¨‚Ä¢. The flux of A is N_A1 at r=r_i. The flux through a flat film of the same thickness is N_A2. if N_A1 is larger than N_A2 by 5%, the film thickness ‚âà√≠¬¨‚Ä¢ is$
A.	0.025r<sub>i</sub>
B.	0.05r<sub>i</sub>
C.	0.1r<sub>i</sub>
D.	0.01r<sub>i</sub>
Answer» C. 0.1r<sub>i</sub>

Discussion

No Comment Found

Related MCQs

In a binary gas mixture containing A and B, If NA=-2NB, what will be the expression for NA?
Equimolar counterdiffusion of A and B occurs through a spherical film of i.d=ri and thickness δ. The flux of A is NA1 at r=ri. The flux through a flat film of the same thickness is NA2. if NA1 is larger than NA2 by 5%, the film thickness δ is
Consider steady-state equimolar counterdiffusion through the converging-diverging tube. Given: r1=1cm; r2=2cm; NA=10-6 kmol/m2.s at the vessel 1 end of the tube. The rate of transport of B at the vessel 2 end of the tube is
In a binary gas mixture containing A and B, If NA=-2NB, what will be the expression for NA?
A tapered tube of length 8cm and end diameters 2cm and 4cm connects two vessels containing mixtures of A and B. if the tapered tube is replaced with a cylindrical tube of diameter 6cm, what will be the required length of the cylindrical tube to maintain the same flow rate as in the previous case?
Sublimation of a long cylinder made of napthelene occurs in a large volume of stagnant air. The time required for its complete sublimation is
A napthelene hemisphere is placed on a glass plate and a napthelene ball of identical diameter is kept suspended in the stagnant air in two large rooms. The respective shapes of the ball are maintained while they sublime and reduce in size. Which of the following statements are true in this connection?
Equimolar counterdiffusion of A and B occurs through a spherical film of i.d=ri and thickness ‚âà√≠¬¨‚Ä¢. The flux of A is NA1 at r=ri. The flux through a flat film of the same thickness is NA2. if NA1 is larger than NA2 by 5%, the film thickness ‚âà√≠¬¨‚Ä¢ is$
At which point of the following locations in the tapered tube of the previous problem is the magnitude of the flux maximum?
Two large vessels containing gaseous mixture of A and B at different concentrations but at the same total pressure are connected by a tapered tube of length 15cm and end diameters 1cm and 4 cm. what should be the diameter of a cylindrical tube of the same length that allows the same rate of transport of A?

Equimolar counterdiffusion of A and B occurs through a spherical film of i.d=ri and thickness ‚âà√≠¬¨‚Ä¢. The flux of A is NA1 at r=ri. The flux through a flat film of the same thickness is NA2. if NA1 is larger than NA2 by 5%, the film thickness ‚âà√≠¬¨‚Ä¢ is$

Discussion

No Comment Found

Related MCQs

Reply to Comment

Equimolar counterdiffusion of A and B occurs through a spherical film of i.d=r_i and thickness ‚âà√≠¬¨‚Ä¢. The flux of A is N_A1 at r=r_i. The flux through a flat film of the same thickness is N_A2. if N_A1 is larger than N_A2 by 5%, the film thickness ‚âà√≠¬¨‚Ä¢ is$