Question

Determine the value of the following gas diffusivities using Hirschfelder equation: 1. Carbon dioxide /air at...

Determine the value of the following gas diffusivities using Hirschfelder equation:

1. Carbon dioxide /air at 310 K and 1.5x105 Pa.

2. Carbon monoxide/air at 310 K and 1.5x105Pa.

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Homework Answers

Answer #1

where P = total pressure, atm
Mi = molecular weight
DAB = diffusivity, cm2/s
T = temperature, K
ΣVi = Sum of the diffusion volume for component i

For air:

  1. VA = 20.1.
  2. 2. Molecular weight = 29.0.
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