---
title: "A student investigates the complete combustion of ethanol, \\(\\text{C}_2\\text{H}_5\\text{OH}\\), as a renewable fuel. The balanced chemical equation for the combustion reaction is shown below.  \\[ \\text{C}_2\\text{H}_5\\text{OH}(l) + 3\\,\\text{O}_2(g) \\rightarrow 2\\,\\text{CO}_2(g) + 3\\,\\text{H}_2\\text{O}(l) \\]  Based on the oxidation numbers of the elements in the reactants and products, what is the total number of moles of electrons transferred per mole of \\(\\text{C}_2\\text{H}_5\\text{OH}(l)\\) consumed?"
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url: "https://nerd-notes.com/ubq/123615/"
date_modified: "2026-09-28T12:01:45+00:00"
---

# A student investigates the complete combustion of ethanol, \(\text{C}_2\text{H}_5\text{OH}\), as a renewable fuel. The balanced chemical equation for the combustion reaction is shown below.

\[ \text{C}_2\text{H}_5\text{OH}(l) + 3\,\text{O}_2(g) \rightarrow 2\,\text{CO}_2(g) + 3\,\text{H}_2\text{O}(l) \]

Based on the oxidation numbers of the elements in the reactants and products, what is the total number of moles of electrons transferred per mole of \(\text{C}_2\text{H}_5\text{OH}(l)\) consumed?

A student investigates the complete combustion of ethanol, \(\text{C}_2\text{H}_5\text{OH}\), as a renewable fuel. The balanced chemical equation for the combustion reaction is shown below.

\[ \text{C}_2\text{H}_5\text{OH}(l) + 3\,\text{O}_2(g) \rightarrow 2\,\text{CO}_2(g) + 3\,\text{H}_2\text{O}(l) \]

Based on the oxidation numbers of the elements in the reactants and products, what is the total number of moles of electrons transferred per mole of \(\text{C}_2\text{H}_5\text{OH}(l)\) consumed?

- **A.** \(6\text{ mol}\)
- **B.** \(12\text{ mol}\)
- **C.** \(14\text{ mol}\)
- **D.** \(24\text{ mol}\)

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/123615/*