What is diffusion flux assuming conditions of steady state

Assignment Help Civil Engineering
Reference no: EM13306942

consider the diffusion of water vapor through a polypropylene (PP) sheet 2mm thick. the pressure of H2O at the two faces are 1 kPa and 10kPa, which are maintained constant. assuming conditions of steady state, what is the diffusion flux (in (cm^3STP)/cm^2*s) at 289K?

Reference no: EM13306942

Questions Cloud

Determine the depth of the water in the box : A hollow cubical box is 4.09 m on an edge. This box is floating in a lake with one-third of its height beneath the surface. What is the depth of the water in the box at the instant the box begins to sink
The company is at a critical juncture from issues : The company is at a critical juncture from issues such as high attrition of the accounting staff, current economic conditions, and increased competition.
Compute how many turns of wire are needed : Suppose you wish to make a solenoid whose self-inductance is 1.6 mH. How many turns of wire are needed
Identify the address of the neighboring gateway : What OBJECT TYPE would you use to identify the address of the neighboring gateway from your local gateway?
What is diffusion flux assuming conditions of steady state : consider the diffusion of water vapor through a polypropylene (PP) sheet 2mm thick. the pressure of H2O at the two faces are 1 kPa and 10kPa, which are maintained constant.
Advise alpha of the income tax : All depreciable assets are for 100% business use and Alpha uses a low-value pool for all eligible assets. The closing value of the low-value pool at 30 June 2013 was $5,300. Alpha purchased a printer on S June 2014 for $700.
How would you use one of the standard mib objects : How would you use one of the standard MIB objects to determine which one of the stations in a LAN is functioning as a bridge to the external network?
Determine the rate at which the sun is losing mass : Like all stars, our sun converts mass into energy which radiates (spherically) in all directions, Calculate the rate at which the sun is losing mass
Which mib group contains this information : A network manager discovers that a network component is performing poorly and issues an order to the technician to replace it. Which MIB group contains this information for the technician to find out the physical location of the component?

Reviews

Write a Review

Civil Engineering Questions & Answers

  Determine what is the magnetic declination of a line

The magnetic declination of 1986 was 5 degrees 15 minutes. The magnetic bearing of a line was N 89 degrees 49 minutes W. At todays present the magnetic bearing of a line is S 88 degrees 20 minutes W.

  Determine how much is on deposit after the 18th birhday

suppose helen deposits $4000 today and one year from today she deposits $1000. Each year she increases her deposit by $500 until she makes her last deposits on roberta's 18 birthday. how much is on deposit after the 18th birhday

  Estimate how far the contaminant would travel in 5 years

A contaminant in water is traveling through a saturated clay layer under a hydraulic gradient of 0.15. The clay has a hydraulic conductivity of 2 x 10^(-7) cm/s, a moisture content of 19%, and a Gs of 2.65.

  Determine what design speed was used for the curve

A horizontal curve was designed for a four-lane highway for adequate SSD. Lane widths are 12 feet, and the superelevation is 0.06 and was set assuming maximum fx. If the necessary sight distance required 52 feet of lateral clearance from the roadw..

  Determine the speed before the plunger strikes the stop

If the arm is pulled back such that s= 100 mm and released, determine the speed of the 0.41-kg pinball B just before the plunger strikes the stop, i.e., s= 0. Assume all surfaces of contact to be smooth.

  Concept of strengthening mechanisms

Describe in your own words the three strengthening mechanisms i.e., grain size reduction, solid solution strengthening, and strain hardening. Be sure to explain how dislocations are involved in each of the strengthening techniques.

  Determine what ph is required to precipitate of iron

what pH is required to precipitate all but 0.20 mg/L of iron from a raw water with an Fe 3+ concentration of 2.1 mg/L Assume the temperature is 25 C. The reaction isFe(OH)^3 = Fe + 3 OH^- and pKs= 38.57

  Determine deviation at the top of trajectory caused by wind

A fireworks shell is launched vertically from point A with speed sufficient to reach a maximum altitude of 500ft. A steady horizontal wind causes a constant horizontal acceleration of 0.5ft/sec^2, but does not affect the vertical motion.

  How much was invested in each account

Suppose a person invests a total of $10,000 in two accounts. One account earns 8% annually, and the other earns 9% annually. If the total interests earned from both accounts in a year is $860, how much was invested in each account?

  Density of traffic stream in lane

Assume you are observing traffic in a single lane of a highway at a specific location. you measure the average headway and average spacing of passing vehicles as 3 seconds and 150 ft, respectively. calculate the flow, average speed, and density of..

  Explain online professor''s response to probability problems

Online professor's response to: Probability problems, A very rich investor has a small amount of spare cash which she wishes to invest. She has four options to choose from.

  Explain how to compute a satisfactory curve length

at one point on the highway, a 720 ft equal-tangent crest vertical curve exists. measurements show that at 3+40 stations from the PVC, the vertical curve offset is 3.5 ft. assess the adequacy of this existing curve in light of the reconstruction d..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd