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Some bacteria can use nitrate as an electron acceptor instead of oxygen, reducing it to nitrite....


Some bacteria can use nitrate as an electron acceptor instead of oxygen, reducing it to nitrite. This requires an enzyme called nitrate reductase.

Write a balanced equation for the oxidation of NADH by nitrate.

Calculate the Gibbs free energy change under standard state conditions (ΔGo’) for the oxidation of NADH by nitrate [tip: you will need to look at Table 3.5 in the textbook]. The Faraday Constant, F, is 96.5 kJ/V.mol.

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  • Some bacteria can use nitrate as an electron acceptor instead of oxygen, reducing it to nitrite....

    Some bacteria can use nitrate as an electron acceptor instead of oxygen, reducing it to nitrite. This requires an enzyme called nitrate reductase. The reduction and oxidation redox equations I am using are: NO3- +2H+ +2e- ---> NO2- + H2O NAD+ + 2H+ +2e- ---> NADH + H+ I calculated the Gibbs free energy change under standard state conditions for the oxidation of NADH by nitrate to be -144.75 kJ/mol. Please use the value to help solve part a. Please...

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