---
title: "\\[ \\text{CH}_3	ext{OH}(l) + \\dfrac{3}{2}\\text{O}_2(g) \\rightarrow \\text{CO}_2(g) + 2\\,\\text{H}_2\\text{O}(l) \\quad \\Delta H^\\circ = -726\\text{ kJ/mol}_{\\text{rxn}} \\]  | Substance | \\(\\Delta H^\\circ_f\\ (\\text{kJ/mol})\\) | |—|—| | \\(\\text{CO}_2(g)\\) | \\(-394\\) | | \\(\\text{H}_2\\text{O}(l)\\) | \\(-286\\) |  The combustion of methanol, \\(\\text{CH}_3\\text{OH}(l)\\), is represented by the thermochemical equation above. Based on the standard enthalpies of formation, \\(\\Delta H^\\circ_f\\), provided in the table, what is the standard enthalpy of formation of \\(\\text{CH}_3\\text{OH}(l)\\)?"
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url: "https://nerd-notes.com/ubq/119974/"
date_modified: "2026-08-21T08:31:21+00:00"
---

# \[ \text{CH}_3	ext{OH}(l) + \dfrac{3}{2}\text{O}_2(g) \rightarrow \text{CO}_2(g) + 2\,\text{H}_2\text{O}(l) \quad \Delta H^\circ = -726\text{ kJ/mol}_{\text{rxn}} \]

| Substance | \(\Delta H^\circ_f\ (\text{kJ/mol})\) |
|—|—|
| \(\text{CO}_2(g)\) | \(-394\) |
| \(\text{H}_2\text{O}(l)\) | \(-286\) |

The combustion of methanol, \(\text{CH}_3\text{OH}(l)\), is represented by the thermochemical equation above. Based on the standard enthalpies of formation, \(\Delta H^\circ_f\), provided in the table, what is the standard enthalpy of formation of \(\text{CH}_3\text{OH}(l)\)?

\[ \text{CH}_3	ext{OH}(l) + \dfrac{3}{2}\text{O}_2(g) \rightarrow \text{CO}_2(g) + 2\,\text{H}_2\text{O}(l) \quad \Delta H^\circ = -726\text{ kJ/mol}_{\text{rxn}} \]

| Substance | \(\Delta H^\circ_f\ (\text{kJ/mol})\) |
|---|---|
| \(\text{CO}_2(g)\) | \(-394\) |
| \(\text{H}_2\text{O}(l)\) | \(-286\) |

The combustion of methanol, \(\text{CH}_3\text{OH}(l)\), is represented by the thermochemical equation above. Based on the standard enthalpies of formation, \(\Delta H^\circ_f\), provided in the table, what is the standard enthalpy of formation of \(\text{CH}_3\text{OH}(l)\)?

- **A.** \(-1692\text{ kJ/mol}\)
- **B.** \(-1406\text{ kJ/mol}\)
- **C.** \(-348\text{ kJ/mol}\)
- **D.** \(-240\text{ kJ/mol}\)

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/119974/*