Nitrate (No3 and Nitrfte (NO2 look a lot alike, a nd so do Sulrate (S04 and Suir

Question

Nitrate (No3 and Nitrfte (NO2 look a lot alike, a nd so do Sulrate (S04 and Suirite (s03) Some redox potentials in the tower are pH specific, for example Iron (Fe) depends on pH Make sure you pick the one the question is asking you about. Use the equation E+oxidation and the redox tower on page 82 of the textbook to solve for E el What is the redox potential (AE) for the oxidation of NADH paired with the reduction of FMN, part of Complex 1 of the ETC? The E0 for the FMN> FMNH2 half reaction is-0.22 . Enter your answer rounded to two decimal places Do these half reactions form a spontaneous reaction? A) Yes B) No Enter A for yes or B for no.

Explanation / Answer

E = Ered +Eoxi

NADHNAD E = 1.13 (oxidation)

FMN FMNH2 E= -0.22 (reduction)

E = -0.22 + 1.13 = 0.81

B) no they don't form a spomtaspont reaction because the net energy is positive and it means energy is required. If net E was negative then it would have a spontaneous reaction

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