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MMLU-Pro / 3681 / A chemist expands an ideal gas against a constant ex-ternal pressure of 700…

Problem

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

question

A chemist expands an ideal gas against a constant ex-ternal pressure of 700 mmHg, and finds its volume changes from 50 to 150 liters. He finds that 1.55 Kcal of heat have been absorbed in the process. Determine the internal energy change that took place. 24.217 cal = 1 liter-atm.

category

chemistry

options

  1. -1.25 Kcal
  2. 1.55 Kcal
  3. 3.00 Kcal
  4. -2.10 Kcal
  5. -1.55 Kcal
  6. 0.75 Kcal
  7. 1.00 Kcal
  8. 2.23 Kcal
  9. - .68 Kcal
  10. -0.50 Kcal

src

stemez-Chemistry

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Source and history

upstream_id / Original problem ID
3681
task_id
7aa5e91d-4994-52a6-bde3-dadd10b2f0d7
task_key
default--test--3681
task_revision_id
1
config / split
default / test

Official source

initial import