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\( n \) the absence of oxygen, plánts can perform respiration by converting theose, \( \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \) to ethanol, \( \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH} \), and carbon dioxide. Which of the following describes this reaction? choose 1 answer: (A) \( \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \rightarrow \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+3 \mathrm{CO}_{2} \) (B) \( 2 \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \rightarrow 6 \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{CO}_{2} \) (C) \( \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \rightarrow 2 \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+2 \mathrm{CO}_{2} \) (D) \( \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \rightarrow \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{CO}_{2} \)

Ask by Barrett Alexander. in the United States
Feb 25,2025

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The correct reaction is \( \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \rightarrow 2 \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH} + 2 \mathrm{CO}_{2} \).

Solution

The balanced fermentation reaction is:   C₆H₁₂O₆ → 2 C₂H₅OH + 2 CO₂ Checking the balance: • Carbon: 6 on the left; 2(2) + 2(1) = 4 + 2 = 6 on the right. • Hydrogen: 12 on the left; 2(6) = 12 on the right. • Oxygen: 6 on the left; 2(1) + 2(2) = 2 + 4 = 6 on the right. Thus, option (C) is the correct answer.

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The correct answer is (C) \( \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \rightarrow 2 \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+2 \mathrm{CO}_{2} \). This equation represents the process of alcoholic fermentation, where one molecule of glucose is converted into two molecules of ethanol and two molecules of carbon dioxide in the absence of oxygen. Alcoholic fermentation has been a staple in various cultures for thousands of years, employed not only in the production of alcoholic beverages but also in baking. Yeast, the microorganism responsible for fermentation, converts sugars into alcohol and carbon dioxide, which causes dough to rise. This ancient process showcases the remarkable adaptability of organisms and their ability to thrive even without oxygen!

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