Question: Explain why the equation for binary diffusion in gases (Eq. (17.28)] includes the term T 3/2 /P, while the simple equation for thermal conductivity (Eq.

Explain why the equation for binary diffusion in gases (Eq. (17.28)] includes the term T^3/2/P, while the simple equation for thermal conductivity (Eq. (10.6)] has T^1/2 and no dependence on P. Both D_v and k are said to depend on the mean free path and the average molecular velocity.

Eq. 17.28

Eq. 10.6

DAR 0.00185873/21(MA+MB)/MAMB]/2 POD (17.28)

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