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MMLU-Pro / 4067 / A heat pump with a coefficient of performance given by COP = - (q_1 / w) = [T_1…

Problem

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

question

A heat pump with a coefficient of performance given by COP = - (q_1 / w) = [T_1 / (T_2 - T_1)] = 7.0 is used to pump an amount of heat q_1 at a temperature T_1, from the cold outdoors to the interior of a house at a temperature T_2. Calculate (q_2 / w), the ratio of the heat liberated at the higher temperature T_2 to the work done.

category

chemistry

options

  1. 6.0
  2. 11.0
  3. 8.5
  4. 10.0
  5. 5.0
  6. 9.0
  7. 7.5
  8. 8.0
  9. 7.0
  10. 4.0

src

stemez-PhysicalChemistry

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Source and history

upstream_id / Original problem ID
4067
task_id
0faa4be7-f3d7-5a01-a1f6-bb0d7380deae
task_key
default--test--4067
task_revision_id
1
config / split
default / test

Official source

initial import