Agriculture Engineering > GATE 2025 > Mass Transfer
A mixture of Nitrogen (N2) and Helium (He) gases is contained in a pipe at 1.0 atm pressure and at 298 K. At one point in the pipe, the partial pressure of N2 is 60.80 kPa and at a point 0.22 m apart, the partial pressure of N2 is 20.31 kPa. The diffusion coefficient of the mixture is 0.612×10-4 m2.s-1. Considering Universal gas constant as 8314 m3 mol-1 K-1, the steady-state flux of N2 is n×10-6 kg mol.s-1.m-2. The value of n is ______ (Rounded off to 2 decimal places)
Correct : 4.20
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