A student uses a galvanic cell to determine the concentration of ethanol write a balanced equation for the overall reaction

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Sweet Tea

Chemistry

10 July, 10:17

A student uses a galvanic cell to determine the concentration of ethanol write a balanced equation for the overall reaction

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Dante White · Answer 1

Galvanic cell has anode and cathode and half reactions are:

Anode reaction: C₂H₅OH + 3H₂O → 12H⁺ + 12e⁻ + 2CO₂; oxidation.

Cathode reaction: 3O₂ + 12H⁺ + 12e⁻ → 6H₂O; reduction.

Balanced equation for the overall reaction: C₂H₅OH + 3O₂ → 3H₂O + 2CO₂.

Electrons are transported from anode to cathode.