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MMLU-Pro / 11802 / A column is used to absorb ammonia in water from a feed of airand ammonia. The…

Problem

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

question

A column is used to absorb ammonia in water from a feed of airand ammonia. The column is at 1atmand 0°C. Assume theresistance to transfer is completely in the gas phase, in a gasfilm 1.5 mm thick. The partial pressure of NH_3 is 55 mm Hg at one point in the column. What is the transferrate per unit area at this location in the column? The diffusivityof ammonia in air is 0.198 cm^2 / sec at 0°C.

category

engineering

options

  1. 5.4 × 10^-6gmoles/ cm^2-sec
  2. 7.1 × 10^-6 gmoles/cm^2-sec
  3. 2.8 × 10^-6 gmoles/cm^2-sec
  4. 6.2 × 10^-6gmoles/ cm^2-sec
  5. 1.6 × 10^-6 gmoles/cm^2-sec
  6. 3.9 × 10^-6 gmoles/cm^2-sec
  7. 8.5 × 10^-6 gmoles/cm^2-sec
  8. 3.5 × 10^-6gmoles/ cm^2-sec
  9. 4.4 × 10^-6gmoles/ cm^2-sec
  10. 5.0 × 10^-6 gmoles/cm^2-sec

src

stemez-TransportPhenomena

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Source and history

upstream_id / Original problem ID
11802
task_id
eba02f46-5d55-50fe-8936-350cf16501ad
task_key
default--test--11802
task_revision_id
1
config / split
default / test

Official source

initial import