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MMLU-Pro / 4530 / At a certain temperature, the half-life for the decomposition of SO_2CI_2 is…

Problem

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

question

At a certain temperature, the half-life for the decomposition of SO_2CI_2 is 4.00 hours, (a) In what period of time would the concentration of SO_2CI_2 be reduced to 10% of the origi-nal? (b) Starting with 100 mg of SO_2Cl_2 what weight would be left at the end of 6.50 hours? The reaction is first order, therefore the equation ln[A]/[A_0] = - kt can be used. [A] is the concentration of A at time t, [A_0 ] is the original concentration of A and k is rate constant.

category

chemistry

options

  1. 14.6 hrs, 27.8 mg
  2. 14.2 hrs, 33.2 mg
  3. 12.9 hrs, 34.2 mg
  4. 16.0 hrs, 28.9 mg
  5. 13.8 hrs, 31.5 mg
  6. 15.5 hrs, 29.4 mg
  7. 12.5 hrs, 30.5 mg
  8. 13.3 hrs, 32.6 mg
  9. 10.0 hrs, 37.1 mg
  10. 11.7 hrs, 35.0 mg

src

stemez-Chemistry

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Source and history

upstream_id / Original problem ID
4530
task_id
4b1b657c-294c-54c0-b303-a23bece7f428
task_key
default--test--4530
task_revision_id
1
config / split
default / test

Official source

initial import