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MMLU-Pro / 3868 / Using the data shown in the following table for sulfur trioxide, sulfur dioxide,…

Problem

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

question

Using the data shown in the following table for sulfur trioxide, sulfur dioxide, and oxygen, develop an equation for the standard enthalpy change as a function of tempera-ture for the reaction SO_2 (g) + (1/2) O_2(g) + SO_3(g) and calculate \DeltaH° for the reaction at 600°C. Substance (\DeltaH°_f)_291 (cal mol^-1) C_P (cal k^-1 mol^-1) Temperature Range(K) SO_3(g) - 93,900 12.65 + 6.40 × 3^-3 T (273 - 900) SO_2(g) - 70,970 11.40 + 1.714 × 10^-3 T - 2.045 × 10^5 T^-2 (273 - 2000) O_2(g) 7.52 + 0.81 × 10^-3 T - 9 × 10^4 T^-2 (273 - 2000)

category

chemistry

options

  1. - 95.20 kJ
  2. - 21,523.4 cal
  3. - 93.59 kJ
  4. - 88.25 kJ
  5. - 18,700 cal
  6. - 22,369.4 cal
  7. - 20,000 cal
  8. - 90.75 kJ
  9. - 22,930 cal
  10. - 19,500 cal

src

stemez-PhysicalChemistry

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Source and history

upstream_id / Original problem ID
3868
task_id
f34309a8-f66f-5d2c-a3dd-91cc569be6de
task_key
default--test--3868
task_revision_id
1
config / split
default / test

Official source

initial import