Estimate the diffusion of O2 from dry air into water at 60ºF if the oxygen concentration is 3 x 10^-4 lbm?mol/ft^3 1 inch below the water surface. Assume air is 20% oxygen.
What will be an ideal response?
Assuming steady state conditions and applying Fick’s law
You might also like to view...
Two astronauts, of masses 60. kg and 80. kg, are initially at rest in outer space. They push each other apart. What is their separation after the heavier astronaut has moved 12. m?
A) 21. m B) 24. m C) 16. m D) 9. m E) 28. m
Which of the following is not a vector?
a. The force that represents your weight. b. The diameter of Earth. c. The velocity of a baseball in flight. d. Your displacement from walking five blocks to the North. e. The unbalanced force from two people pushing a cart in opposite directions.
The following set of redox reactions takes place when iron is dipped in a solution of copper ions
Fe ? Fe+2 + 2e- Cu+2 + 2e- ? Cu Which of the following describes what is happening on the surface of the iron? A) The copper starts to plate out on iron. B) The iron rusts in the water. C) The iron starts to plate out on the copper. D) The iron corrodes the copper. E) none of the above
Consider a situation where you carry a 20-N box up a flight of stairs, raising its elevation by 5 m.You drop the box. As it falls to its original level, its kinetic energy is __________
Fill in the blank(s) with correct word