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MMLU-Pro / 3948 / Using the data from the accompanying figure, calculate the heat of reaction for…

Problem

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question

Using the data from the accompanying figure, calculate the heat of reaction for the following process at 25°C: a) CaCl_2 (s) + Na_2CO_3(s) \rightarrow 2NaCl(s) + CaCO_3(s) b) H_2 SO_4 (I) + 2NaCl(s) \rightarrow Na_2SO_4 (s) + 2HCl(g) Standard Heats of Formation, ∆H°, in kcal/mole at 25°C. Standard Heats of Formation, ∆H°, in kcal/mole at 25°C. Substance ∆H° CaCl_2 (s) - 190.0 Na_2CO_3(s) - 270.3 NaCl(s) - 98.2 CaCO_3(s) - 288.4 H_2 SO_4 (I) - 193.9 HCl (g) - 22.1 Na_2SO_4 (s) - 330.9

category

chemistry

options

  1. -19.5 kcal/mole, -20.4 kcal/mole
  2. -27.5 kcal/mole, -12.9 kcal/mole
  3. -24.5 Kcal/mole, -16.4 Kcal/mole
  4. -23.0 kcal/mole, -17.8 kcal/mole
  5. -20.5 Kcal/mole, -15.4 Kcal/mole
  6. -22.0 kcal/mole, -14.3 kcal/mole
  7. -25.5 Kcal/mole, -17.4 Kcal/mole
  8. -26.5 kcal/mole, -13.2 kcal/mole
  9. -21.5 kcal/mole, -19.1 kcal/mole
  10. -23.5 Kcal/mole, -18.4 Kcal/mole

src

stemez-Chemistry

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Source and history

upstream_id / Original problem ID
3948
task_id
7c13e765-96a4-5b04-83e1-b084181037cb
task_key
default--test--3948
task_revision_id
1
config / split
default / test

Official source

initial import