HomeworkLib
Question

QUESTION 1 [30 MARKS] Helium gas (A) and Nitrogen gas (B) are diffusing in counter diffusion...

QUESTION 1 [30 MARKS]
Helium gas (A) and Nitrogen gas (B) are diffusing in counter diffusion through a straight glass tube of 2 ft long with an inside diameter of 0.08 ft at 29 °C and 101.32 kPa. Both ends of tube are connected to large mixed chamber and the pressure is kept constant at 20 kPa and 6.666 kPa in the other chamber.

a) Predict the diffusivity of He diffusing into N2 using Chapman-Enskog method.
(13 Marks)

b) Based on the diffusivity obtained in (a), calculate the diffusion rate of He in
i. kg mol/mm2.s
ii. kg mol/s
(9 Marks)

c) Calculate the diffusion rate of N2 in kg/m2.hr for the mixed chamber operated from 1.00 pm until 2.30 pm.
(8 Marks)
engineering   Chemical-Engineering   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
QUESTION 1 [30 MARKS] Helium gas (A) and Nitrogen gas (B) are diffusing in counter diffusion...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • 19.1-2. Equimolar Counterdiffusion of NH, and N, at Steady State. Ammonia gas (A and nitrogen gas...

    19.1-2. Equimolar Counterdiffusion of NH, and N, at Steady State. Ammonia gas (A and nitrogen gas (B) are diffusing in counterdiffusion through a straight glass tube 2.0 ft (0.610 m) long with an inside diameter of 0.080 ft (24.4 mm) at 298 K and 101.32 kPa. Both ends of the tube are connected to large mixed chambers at 101.32 kPa. The partial pressure of NH, is constant at 20.0 kPa in one chamber and at 6.666 kPa in the other....

  • 6.2-10. Diffusion in a Nonuniform Cross-Sectional Area. The gas ammonia (A) is diffusing at steady state...

    6.2-10. Diffusion in a Nonuniform Cross-Sectional Area. The gas ammonia (A) is diffusing at steady state through N2 (B) by equimolar counterdiffusion in a conduit 1.22 m long at 25°C and a total pressure of 101.32 kPa abs. The partial pressure of ammonia at the left end is 25.33 kPa and at the other end 5.066 kPa. The cross section of the con duit is in the shape of an equilateral triangle, the length of each side of the triangle...

  • A gas cylinder containing carbon dioxide, CO2, 85% by volume, and nitrogen, N2, 15% by volume...

    A gas cylinder containing carbon dioxide, CO2, 85% by volume, and nitrogen, N2, 15% by volume has a volume of 2.2 m and is kept at a temperature of 20°C. You may assume the gas mixture is ideal. 0 Calculate the pressure in kPa in the cylinder when it contains 50 kg of gas. [2 marks] After a certain amount of gas has been used, the pressure decreases by 150 kPa. Calculate the mass of gas used. [2 marks] (b)...

  • Question 1: Design of isothermal reactors 30 Marks The irreversible, gas-phase reaction A+B D is to be carried out...

    Question 1: Design of isothermal reactors 30 Marks The irreversible, gas-phase reaction A+B D is to be carried out in an isotherma °C) plug-flow reactor (PFR) at 5.0 atm. The mole fractions of the feed streams are A 0 B 0.50, and inerts 0.30. The activation energy for the above reaction is 80 000 cal/mol. the pressure drop due to fluid friction in the reactor is so small that it can be ignored, perform the following tasks: 2T a s...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT