Nitrate (NO3 and Nitrite (NO2) look a lot alike, and so do Sulfate (SO4 and Sulf

Question

Nitrate (NO3 and Nitrite (NO2) look a lot alike, and so do Sulfate (SO4 and Sulfite (SO3) Some redox potentials in the tower are pH specific, for example lron (Fe) depends on pH. Make sure you pick the one the question is asking you about. Use the equation E. cell = Ereduction-E0oxidation and the redox tower on page 82 of the textbook to solve for 0cel What is the redox potential (E) for the oxidation of NADH paired with the reduction of FMN, part of Complex 1 of the ETC? The EO 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

NADH + H+ + FMN --------- NAD+ + FMNH2

NADH + H+ ----------- NAD+   E0 = +0.32
    FMN     ----------- FMNH2   E0 = -0.22

   dE0 = 0.32 + 0.22 = 0.54

2. B - No

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