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MMLU-Pro / 11985 / Two identical blocks of aluminum are initially at 1300°K and 400°K respectively.…

Problem

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

question

Two identical blocks of aluminum are initially at 1300°K and 400°K respectively. The two blocks are then brought into thermal communication and they attain the same temperature. Assuming that the specific heat of aluminum is 0.9 kJ/kg - °K, calculate the irreversibility of the process if the mass of each of the blocks is 5 kgs.

category

engineering

options

  1. 441.1 kJ
  2. 750 kJ
  3. 620 kJ
  4. 399.9 kJ
  5. 320.5 kJ
  6. 275 kJ
  7. 367.5 kJ
  8. 490 kJ
  9. 550 kJ
  10. 505.5 kJ

src

stemez-Thermodynamics

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Source and history

upstream_id / Original problem ID
11985
task_id
2fcdb5bc-82ee-53fe-a810-5190b00bdcb3
task_key
default--test--11985
task_revision_id
1
config / split
default / test

Official source

initial import