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Molar Flux of Diffusing Component A is the amount of substance per unit area per unit time. Check FAQs
Na=(D(Pt2)δ)(ya1-ya2Pb)
Na - Molar Flux of Diffusing Component A?D - Diffusion Coefficient (DAB)?Pt - Total Pressure of Gas?δ - Film Thickness?ya1 - Mole Fraction of Component A in 1?ya2 - Mole Fraction of Component A in 2?Pb - Log Mean Partial Pressure of B?

Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP Example

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Here is how the Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP equation looks like with Values.

Here is how the Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP equation looks like with Units.

Here is how the Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP equation looks like.

552813.4255Edit=(0.007Edit(400000Edit2)0.005Edit)(0.6Edit-0.35Edit101300Edit)
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Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP Solution

Follow our step by step solution on how to calculate Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP?

FIRST Step Consider the formula
Na=(D(Pt2)δ)(ya1-ya2Pb)
Next Step Substitute values of Variables
Na=(0.007m²/s(400000Pa2)0.005m)(0.6-0.35101300Pa)
Next Step Prepare to Evaluate
Na=(0.007(4000002)0.005)(0.6-0.35101300)
Next Step Evaluate
Na=552813.425468904mol/s*m²
LAST Step Rounding Answer
Na=552813.4255mol/s*m²

Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP Formula Elements

Variables
Molar Flux of Diffusing Component A
Molar Flux of Diffusing Component A is the amount of substance per unit area per unit time.
Symbol: Na
Measurement: Molar Flux of Diffusing ComponentUnit: mol/s*m²
Note: Value can be positive or negative.
Diffusion Coefficient (DAB)
The Diffusion Coefficient (DAB) is the amount of a particular substance that diffuses across a unit area in 1 second under the influence of a gradient of one unit.
Symbol: D
Measurement: DiffusivityUnit: m²/s
Note: Value should be greater than 0.
Total Pressure of Gas
Total Pressure of Gas is the sum of all the forces that the gas molecules exert on the walls of their container.
Symbol: Pt
Measurement: PressureUnit: Pa
Note: Value can be positive or negative.
Film Thickness
The Film Thickness is the thickness between the wall or the phase boundary or the interface to the other end of the film.
Symbol: δ
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Mole Fraction of Component A in 1
The Mole Fraction of component A in 1 is the variable which measures the mole fraction of component A in the mixture on the feed side of the diffusing component.
Symbol: ya1
Measurement: NAUnit: Unitless
Note: Value should be less than 1.
Mole Fraction of Component A in 2
The Mole Fraction of Component A in 2 is the variable which measures the mole fraction of component A in the mixture on the other side of the diffusing component.
Symbol: ya2
Measurement: NAUnit: Unitless
Note: Value should be less than 1.
Log Mean Partial Pressure of B
The Log Mean Partial Pressure of B is the partial pressure of component B in terms of the logarithmic mean.
Symbol: Pb
Measurement: PressureUnit: Pa
Note: Value should be greater than 0.

Other Formulas to find Molar Flux of Diffusing Component A

​Go Molar Flux of Diffusing Component A for Equimolar Diffusion with B based on Mole Fraction of A
Na=(DPt[R]Tδ)(ya1-ya2)
​Go Molar Flux of Diffusing Component A for Equimolar Diffusion with B based on Partial Pressure of A
Na=(D[R]Tδ)(Pa1-Pa2)

Other formulas in Molar Diffusion category

​Go Chapman Enskog Equation for Gas Phase Diffusivity
DAB=1.858(10-7)(T32)(((1MA)+(1Mb))12)PTσAB2ΩD
​Go Diffusivity by Stefan Tube Method
DAB=[R]TPBLMρL(h12-h22)2PTMA(PA1-PA2)t

How to Evaluate Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP?

Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP evaluator uses Molar Flux of Diffusing Component A = ((Diffusion Coefficient (DAB)*(Total Pressure of Gas^2))/(Film Thickness))*((Mole Fraction of Component A in 1-Mole Fraction of Component A in 2)/Log Mean Partial Pressure of B) to evaluate the Molar Flux of Diffusing Component A, Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP is defined as the molar flux between gaseous components A and B when diffusion of diffusing component A takes place with non-diffusing component B. LMPP = Log Mean Partial Pressure. Molar Flux of Diffusing Component A is denoted by Na symbol.

How to evaluate Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP using this online evaluator? To use this online evaluator for Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP, enter Diffusion Coefficient (DAB) (D), Total Pressure of Gas (Pt), Film Thickness (δ), Mole Fraction of Component A in 1 (ya1), Mole Fraction of Component A in 2 (ya2) & Log Mean Partial Pressure of B (Pb) and hit the calculate button.

FAQs on Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP

What is the formula to find Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP?
The formula of Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP is expressed as Molar Flux of Diffusing Component A = ((Diffusion Coefficient (DAB)*(Total Pressure of Gas^2))/(Film Thickness))*((Mole Fraction of Component A in 1-Mole Fraction of Component A in 2)/Log Mean Partial Pressure of B). Here is an example- 0.000777 = ((0.007*(400000^2))/(0.005))*((0.6-0.35)/101300).
How to calculate Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP?
With Diffusion Coefficient (DAB) (D), Total Pressure of Gas (Pt), Film Thickness (δ), Mole Fraction of Component A in 1 (ya1), Mole Fraction of Component A in 2 (ya2) & Log Mean Partial Pressure of B (Pb) we can find Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP using the formula - Molar Flux of Diffusing Component A = ((Diffusion Coefficient (DAB)*(Total Pressure of Gas^2))/(Film Thickness))*((Mole Fraction of Component A in 1-Mole Fraction of Component A in 2)/Log Mean Partial Pressure of B).
What are the other ways to Calculate Molar Flux of Diffusing Component A?
Here are the different ways to Calculate Molar Flux of Diffusing Component A-
  • Molar Flux of Diffusing Component A=((Diffusion Coefficient (DAB)*Total Pressure of Gas)/([R]*Temperature of Gas*Film Thickness))*(Mole Fraction of Component A in 1-Mole Fraction of Component A in 2)OpenImg
  • Molar Flux of Diffusing Component A=(Diffusion Coefficient (DAB)/([R]*Temperature of Gas*Film Thickness))*(Partial Pressure of Component A in 1-Partial Pressure of Component A in 2)OpenImg
  • Molar Flux of Diffusing Component A=((Diffusion Coefficient (DAB)*Total Pressure of Gas)/(Film Thickness))*((Concentration of Component A in 1-Concentration of Component A in 2)/Log Mean Partial Pressure of B)OpenImg
Can the Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP be negative?
Yes, the Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP, measured in Molar Flux of Diffusing Component can be negative.
Which unit is used to measure Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP?
Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP is usually measured using the Mole per Second Square Meter[mol/s*m²] for Molar Flux of Diffusing Component. Kilogram Mole per Second Square Meter[mol/s*m²], Millimole per Microsecond Square Meter[mol/s*m²] are the few other units in which Molar Flux of Diffusing Component A through Non-Diffusing B based on Mole Fractions of A and LMPP can be measured.
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