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MMLU-Pro / 11878 / A porous sintered mass of silica has a void fraction …

Problem

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

question

A porous sintered mass of silica has a void fraction \epsilon of 0.31, atortuosityof 4.0, and is 2.5 mm thick. The pores contain waterat 291 K. On one side of the silica,NaClis maintained ata concentration of 0.2kmol/ m^3 and water flows by on the otherside. Taking into account only the resistance of the silica, determine the steady state diffusion ofNaCl.

category

engineering

options

  1. 8.50 × 10^-9kmolNaCl/ m^2-sec
  2. 9.00 × 10^-9 kmol NaCl / m^2-sec
  3. 6.00 × 10^-9 kmol NaCl / m^2-sec
  4. 7.25 × 10^-9 kmol NaCl / m^2-sec
  5. 7.50 × 10^-9kmolNaCl/ m^2-sec
  6. 7.00 × 10^-9kmolNaCl/ m^2-sec
  7. 5.00 × 10^-9 kmol NaCl / m^2-sec
  8. 8.00 × 10^-9 kmol NaCl / m^2-sec
  9. 10.00 × 10^-9 kmol NaCl / m^2-sec
  10. 6.50 × 10^-9kmolNaCl/ m^2-sec

src

stemez-TransportPhenomena

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Source and history

upstream_id / Original problem ID
11878
task_id
b236f4f7-7040-570d-ba64-f51e8d072f07
task_key
default--test--11878
task_revision_id
1
config / split
default / test

Official source

initial import