-1 0 /XH3 and Y / YH2 1. Imagine two redox pairs: XO2 -1 Eo'= -0.35 V for the redox pair XO2 / XH3 YO/YH2 Eo' = + 0.5 V
-
- Site Admin
- Posts: 899603
- Joined: Mon Aug 02, 2021 8:13 am
-1 0 /XH3 and Y / YH2 1. Imagine two redox pairs: XO2 -1 Eo'= -0.35 V for the redox pair XO2 / XH3 YO/YH2 Eo' = + 0.5 V
2. For each redox pair given below, decide which compound is the energy source, which is the electron acceptor and what the waste products are. The Redox Tower Eo (V) -0.60 -1 -1 a) CO₂/glucose and NO3-¹/NO₂-¹ SO4²-/HSO3(-0.52) 2 e- -0.50 -2 CO₂/glucose (-0.43) 24 e 2 H¹/H₂ (-0.42) 2 e- CO₂/methanol (-0.38) 6 e - -0.40 b) SO3 H₂S and 1/2 0₂/H₂O - -0.30 + NAD+/NADH (-0.32) 2 e CO₂/acetate (-0.28) 8 e- sº/H₂S (-0.28) 2 e CO₂/CH4 (-0.24) 8 e FAD/FADH (-0.22) 2 e Pyruvate/lactate (-0.19) 2 e SO3²/H₂S (-0.17) 6 e -0.20 c) 1/2 02/H₂0 and 2H /H2 -0.10 d) Fe+3/Fe+2 and CO₂/acetate/P Fumarate/succinate (+0.03) 2 e Cytochrome box/red (+0.035) 1 e- e) CO2/glucose and pyruvate/lactate Ubiquinone ox/red (+0.11) 2 e Fe³+/Fe2+ (+0.2) 1e", (pH 7) Cytochrome Cox/red (+0.25) 1 e Cytochrome aox/red (+0.39) 1 e NO3 /NO₂ (+0.42) 2 e- (3) NO3-N₂ (+0.74) 5 e Fe³+/Fe2+ (+0.76) 1 e", (pH 2) 0₂/H₂0 (+0.82) 2 e | (1) H₂ + fumarate → succinate (2) H₂ + NO3 (3) H₂ + ¹/ 0₂ (2) (1) -0.0 +0.10 +0.20 +0.30 +0.40 +0.50 +0.60 +0.70 +0.80 +0.90 AG-86 kJ = -163 kJ = -237 kJ NO₂ + H₂O AGO, H₂O AGO,