Working with Reaction EquationsEthyl alcohol (C2H5OH)

Chapter 13, Problem 37P

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Ethyl alcohol (\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)) burns with air. The product gas is analyzed and the laboratory report gives only the following percentages on a dry molar basis: 6.9% \(\mathrm{CO}_{2}\), 1.4% CO, 0.5% (\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)). Assuming the remaining components consist of \(\mathrm{O}_{2}\) and \(\mathrm{N}_{2}\), determine

(a) the percentages of \(\mathrm{O}_{2}\) and \(\mathrm{N}_{2}\) in the dry molar analysis.

(b) the percent excess air.

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