?Fifty (50) \(\mathrm{mol} \cdot \mathrm{s}^{-}\) of enriched air (50 mol-%
Chapter 10, Problem 10.38(choose chapter or problem)
Fifty (50) \(\mathrm{mol} \cdot \mathrm{s}^{-}\) of enriched air (50 mol-% \(\mathrm{N}_{2}\), 50 mol-% \(\mathrm{N}_{2}\)) are produced by continuously combining air (79 mol-% N2, 21 mol-% \(\mathrm{N}_{2}\)) with a stream of pure oxygen. All streams are at the constant conditions T = 25°C and P = 1.2(atm). There are no moving parts.
(a) Determine the rates of air and oxygen \(\left(\mathrm{mol} \cdot \mathrm{s}^{-1}\right)\).
(b) What is the rate of heat transfer for the process?
(c) What is the rate of entropy generation \(\dot{S}_{G}\left(\mathrm{W} \cdot \mathrm{K}^{-1}\right)?\)
State all assumptions.
Suggestion: Treat the overall process as a combination of demixing and mixing steps.
Text Transcription:
mol cdot s^-
N_2
O_2
(mol cdot s^-1)
dot S_G (W cdot K^-1)
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