Sugars can be digested aerobically (with oxygen) or anaerobically (e.g., by yeas

Question

Sugars can be digested aerobically (with oxygen) or anaerobically (e.g., by yeast). During aerobic digestion, sugars react with oxygen to form carbon dioxide and water. During anaerobic digestion, sugars can be decomposed by enzymes to create carbon dioxide and alcohols.

(a) Write the balanced chemical equation for aerobic digestion of glucose. C6H12O6(s). Identify the oxidizing and reducing agents in this reaction.

I have C6H12O6 (s)+ 6O2 (g)---> 6CO2(g)+6H2O(l), but am not sure how the oxidation part goes.

(b) Evaluate the number of moles of electrons transferred for the aerobic reaction in (a) for one mole of glucose at 25C. (This I can probably do once I'm sure I'm correct on a.)

(c) Write the balanced chemical equation for anaerobic digestion of glucose. Assume that ethanol, C2H5OH(l), is the only alcohol product for anaerobic digestion. Identify the oxidizing and reducing agents in this reaction.

Same issue for a--I'm not sure how to handle the electrons, and I'm still working on balancing the equation.

(d) Evaluate the number of moles of electrons transferred for the anaerobic reaction in (c) for one mole of glucose at 25C. (Again, this I can probably do once I'm sure I'm correct on c.)

Explanation / Answer

Answers as follows

a)C6H12O6 (s)+ 6O2 (g)---> 6CO2(g)+6H2O(l)

oxidizing agents O2and reducing agents CO2

c) C6H12O6 2CH3CH2OH + 2CO2

oxidizing agents C6H12O6and reducing agents CO2

I think am close to the answer so you can calculate rest of two answers...

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.