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MMLU-Pro / 4402 / At 40°C the vapor pressures of two liquids A and B are 20 mm Hg and 40 mm Hg…

Problem

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question

At 40°C the vapor pressures of two liquids A and B are 20 mm Hg and 40 mm Hg respectively. Liquid A has a normal boiling point of 120°C and that for liquid B is 140°C. Given that the heat of vaporization of A is 11.3 kcal/mole which of the following best describes the heat of vaporiza-tion of B(5.65 kcal/mole, 11.09 kcal/mole, 22.6 kcal/mole, less than 11.3 kcal/mole, greater than 11.09 kcal/mole, about the same, indeterminate because of insufficient data)?

category

chemistry

options

  1. 22.6 kcal
  2. 5.65 kcal
  3. 7.58 kcal
  4. 11.3 kcal

src

stemez-PhysicalChemistry

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Source and history

upstream_id / Original problem ID
4402
task_id
4215f1de-33a2-5fd9-8259-10ea1690ce37
task_key
default--test--4402
task_revision_id
1
config / split
default / test

Official source

initial import