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MMLU-Pro / 11293 / Three kilograms of air are at an initial state of 100kPa, 300°K.The air is then…

Problem

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

question

Three kilograms of air are at an initial state of 100kPa, 300°K.The air is then compressedpolytropicallywith n = 2.56, to a final pressure of 500kPa. Assuming constant specificheats, calculate the change in entropy using the threeideal gas equations.

category

engineering

options

  1. 2.50 kJ/°K
  2. 1.25 kJ/°K
  3. 2.00 kJ/°K
  4. 1.75 kJ/°K
  5. 2.25 kJ/°K
  6. 1.57 kJ/°K
  7. 0.75 kJ/°K
  8. 1.10 kJ/°K
  9. 1.00 kJ/°K
  10. 1.40 kJ/°K

src

stemez-Thermodynamics

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Source and history

upstream_id / Original problem ID
11293
task_id
c8a6b9d5-3ca6-533e-848b-662df50273bf
task_key
default--test--11293
task_revision_id
1
config / split
default / test

Official source

initial import