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MMLU-Pro / 4279 / When heated to 600°C, acetone (CH_3COCH_3) decomposes to give CO and various…

Problem

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question

When heated to 600°C, acetone (CH_3COCH_3) decomposes to give CO and various hydrocarbons. The reaction is found to be first order in acetone concentration with a half-life of 81 sec. Given at 600°Ca 1-liter container into which acetone is injected at 0.48 atm, approximate how long would it take for the acetone pressure to drop to 0.45 atm?

category

chemistry

options

  1. 20 sec
  2. 40 sec
  3. 120 sec
  4. 7.5 sec
  5. 8.56 sec
  6. 2.7 sec
  7. 0.693 sec
  8. 162 sec
  9. 81 sec
  10. 12 sec

src

stemez-Chemistry

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Source and history

upstream_id / Original problem ID
4279
task_id
b0eaa138-d594-53a7-876c-6c6c312bcfdf
task_key
default--test--4279
task_revision_id
1
config / split
default / test

Official source

initial import