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MMLU-Pro / 3558 / Assume all gases are perfect unless stated otherwise. Unless otherwise stated,…

Problem

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

question

Assume all gases are perfect unless stated otherwise. Unless otherwise stated, thermodynamic data are for 298.15 K. For the reaction $\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}(\mathrm{l})+3 \mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{CO}_2(\mathrm{~g})+3 \mathrm{H}_2 \mathrm{O}(\mathrm{g})$, $\Delta_{\mathrm{r}} U^\ominus=-1373 \mathrm{~kJ} \mathrm{~mol}^{-1}$ at $298 \mathrm{~K}$, calculate $\Delta_{\mathrm{r}} H^{\ominus}$.
Plain-text mathematical notation (without MathML)
Assume all gases are perfect unless stated otherwise. Unless otherwise stated, thermodynamic data are for 298.15 K. For the reaction $\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}(\mathrm{l})+3 \mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{CO}_2(\mathrm{~g})+3 \mathrm{H}_2 \mathrm{O}(\mathrm{g})$, $\Delta_{\mathrm{r}} U^\ominus=-1373 \mathrm{~kJ} \mathrm{~mol}^{-1}$ at $298 \mathrm{~K}$, calculate $\Delta_{\mathrm{r}} H^{\ominus}$.
Original LaTeX notation
Assume all gases are perfect unless stated otherwise. Unless otherwise stated, thermodynamic data are for 298.15 K. For the reaction $\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}(\mathrm{l})+3 \mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{CO}_2(\mathrm{~g})+3 \mathrm{H}_2 \mathrm{O}(\mathrm{g})$, $\Delta_{\mathrm{r}} U^\ominus=-1373 \mathrm{~kJ} \mathrm{~mol}^{-1}$ at $298 \mathrm{~K}$, calculate $\Delta_{\mathrm{r}} H^{\ominus}$.

category

chemistry

options

  1. -1400$\mathrm{~kJ} \mathrm{~mol}^{-1}$
  2. -1415 kJ mol^-1
  3. -1340 kJ mol^-1
  4. -1390 kJ mol^-1
  5. -1320$\mathrm{~kJ} \mathrm{~mol}^{-1}$
  6. -1335 kJ mol^-1
  7. -1385$\mathrm{~kJ} \mathrm{~mol}^{-1}$
  8. -1375 kJ mol^-1
  9. -1420 kJ mol^-1
  10. -1368$\mathrm{~kJ} \mathrm{~mol}^{-1}$

src

scibench-atkins

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Source and history

upstream_id / Original problem ID
3558
task_id
1410ab2f-31d5-5e98-b4af-316ce1bb3f6e
task_key
default--test--3558
task_revision_id
1
config / split
default / test

Official source

initial import