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MMLU-Pro / 11801 / At the bottom of a cylindrical container is n-butanol. Pure air ispassed over…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

At the bottom of a cylindrical container is n-butanol. Pure air ispassed over the open top of the container. The pressure is 1atmand the temperature is 70°F. The diffusivity of air-n-butanolis 8.57 × 10^-6 m^2/sec at the given conditions. If the surface of n-butanolis 6.0 ft below the top of the container, calculate the diffusion rate of n-butanol.

category

engineering

options

  1. 1.75 × 10^-9kgmol/ m^2-sec
  2. 2.00 × 10^-9 kgmol/m^2-sec
  3. 1.90 × 10^-9 kgmol/m^2-sec
  4. 1.60 × 10^-9 kgmol/m^2-sec
  5. 1.80 × 10^-9 kgmol/m^2-sec
  6. 1.65 × 10^-9kgmol/ m^2-sec
  7. 1.85 × 10^-9kgmol/ m^2-sec
  8. 1.55 × 10^-9 kgmol/m^2-sec
  9. 1.70 × 10^-9kgmol/ m^2-sec
  10. 2.10 × 10^-9 kgmol/m^2-sec

src

stemez-TransportPhenomena

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Source and history

upstream_id / Original problem ID
11801
task_id
a507129e-b45b-557d-bf54-ca710cc5a566
task_key
default--test--11801
task_revision_id
1
config / split
default / test

Official source

initial import