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9 May, 12:41

Compute a value for DAB for a system of argon (A) and oxygen (B) at 294 K and atmospheric pressure.

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  1. 9 May, 12:59
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    DAB = 1.921 E-5 m²/s

    Explanation:

    DAB = ((1 E-7 T∧ (1.75)) * ((1/MA + 1/MB) ∧ (1/2))) / [ P * (∑vA) ∧ (1/3) + (∑vB) ∧ (1/3) ]² ... Fuller et All.

    ∴ ∑vA = 16.1 m³/Kg ... from literature

    ∴ ∑vB = 16.6 m³/Kg ... from literature

    ∴ T = 294 K

    ∴ P = 1 atm

    ∴ MA = 39.948 Kg/Kmol

    ∴ MB = 32 Kg/Kmol

    ⇒ DAB = ((2.087 E-3) * (0.2372)) / [1 * (25.766) ]

    ⇒ DAB = 1.921 E-5 m²/s
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