Homework Answers
E° cell=E°cathode - E°anode=+0.82-(-0.32)V=1.14V
Free energy=-nFE°cell
n=2(number of electrons transferred)
F=96500
Putting the values, Free energy=-2(96500)(1.14)=-220.020KJ/mole
OptionD
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What is the usable free energy (per mol) for transduction when NADH oxidizes and 1/2 02...
What would ΔG∘′ be for an enzyme that oxidizes succinate with NAD+ instead of FAD? Oxidant...
What would ΔG∘′ be for an enzyme that oxidizes succinate with NAD+ instead of FAD? Oxidant Reductant n E∘′(V) NAD++H++2e− ⇌ NADH 2 −0.32 Fumarate+2H++2e− ⇌ Succinate 2 0.03 Use the following equation and F = 96.485 kJ/mol. ΔG°’ = ‒nFΔE°’ Express your answer to two significant figures and include the appropriate units ΔG′= value w/ units please
Q7) Using Table 9.1 (page 294) in your textbook and/or in the slides of chapter 9...
Q7) Using Table 9.1 (page 294) in your textbook and/or in the slides of chapter 9 (online material), determine the standard free energy (AG) for the following reaction in kJ/mol. [Faraday constant = 96.5 kJ/V] [10 points) FADH2 + 1/202 - FAD + 2H+ + H:0 Show detailed calculation. Final answer without clear work will not be considered. TABLE 9.1 Standard Reduction Potentials Redox Half-Reaction 2H+ + 2e" - H a-Ketoglutarate + CO, + 2H+ 2e isocitrate NADP+ + H+...
In one step of glycolysis, glyceraldehyde 3-phosphate is oxidized by NAD+ to yield 3-phosphoglycerate and NADH....
In one step of glycolysis, glyceraldehyde 3-phosphate is oxidized by NAD+ to yield 3-phosphoglycerate and NADH. 1) Consider that reaction, in the direction written. Which chemicals) is(are) losing electrons, and which chemical(s) is(are) gaining electrons? It's best to answer this in a clear complete sentence. 2 2 2 Table 10-2 Standard Reduction Potentials for Redox Pairs of Biological Relevance* Redox Pair Number of (oxidized form → reduced form) Electrons E.(V) acetate pyruvate 2 -0.70 succinate → a-ketoglutarate 2 -0.67 acetate...
Useful Constants: R R J mol i K i 8.3144 F 9.6485 x 10 C mol-1...
Useful Constants: R R J mol i K i 8.3144 F 9.6485 x 10 C mol-1 1. The standard reduction potentials for the cerium(IV) ion and the bismuthyl ion are shown below along with their corresponding reactions: Eo 3+1.61 V Cei (ag) e Ce3+(ag) Bi (s) H20 Eo +0.32 V Biot (aq) +2H+ (aq) +3e In a galvanic cell, the following oxidation-reduction reaction occurs: 3Cei (aa) Bi(s) +H20() 3ce3+(aq) Biot (aq) 2H+ (aq). Use the half-reactions and the overall reaction...
16A. Do the same energy calculation for iron oxidation (Fe2+ → Fest) using oxygen as an...
16A. Do the same energy calculation for iron oxidation (Fe2+ → Fest) using oxygen as an electron acceptor. How many ATP could a cell make from this (1 ATP - 44 kJ/mol)? 16B. Does the redox reaction have a stronger electron donor or acceptor? TABLE 14.1 "Electron Tower" of Standard Reduction Potentials E®(mv) AG® (kJ) Electron donor [CH2O] glucose + H2O 1 Hz +166 +81 +62 1 1 NADH+H HS +27 1 1 +46 1 1 Electron acceptor CO2 +...
The table shows standard reduction potentials, E!, for reactions with transferred electrons. 2 Oxidant Reductant 0,...
The table shows standard reduction potentials, E!, for reactions with transferred electrons. 2 Oxidant Reductant 0, + 2H+ HO FAD FADH Faraday's constant is 96.48 kJ mol-' V-1. +0.82 -0.22 Electron transfer from NADH or FADH, to oxygen generates a proton gradient across the mitochondrial membrane Electrons from NADH result in more protons being pumped across to form the gradient than electrons from FADH. Calculate the free energy change, AG", for the reduction of O, with FADH. Round your answer...
Answer is NOT: -0.12 Part F What is the AE, for the reduction of lactate to...
Answer is NOT: -0.12
Part F What is the AE, for the reduction of lactate to pyruvate by NAD+ under standard conditions? Express your answer using two decimal places. Templates Symbols undo regio desde keyboard shortcuts help AEG' = V Submit Request Answer Use the table below as the basis for the calculations needed to answer the following questions. Standard Reduction Potentials for Redox Pairs of Biological Relevance Standard Redox Pair Number Reduction (oxidized form of reduced form) Potential, electrons...
I need this answered and explained! Redox couple Eo (V) CO2/glucose (-0.43) 24 e 2H /H2...
I need this answered and explained!
Redox couple Eo (V) CO2/glucose (-0.43) 24 e 2H /H2 (-0.42) 2e CO2/methanol(-0.38) 6 e NAD /NADH (-0.32) 2 e -0.50 --0.40 -0.30 CO2/acetate (-0.28) 8 e E-0.20 S /H2S (-0.28)2 e SO22 /H2S(-0.22) 8 e Pyruvate/lactate (-0.19) 2 e SO62-S2032(+0.024) 2 e -0.10 0.0 Fumarate/succinate (+0.03) 2 e +0.10 Cytochrome boxred (+0.035) 1 e +0.20 Fe3 /Fe2 (+0.2) 1 e, (pH 7) Ubiquinone ox/red (+0.11) 2 e Cytochrome Cox/red (+0.25) 1 e Cytochrome...
Use the chart to answer the questions. Please be correct and careful In one step of...
Use the chart to answer the questions. Please be correct and
careful
In one step of glycolysis, glyceraldehyde 3-phosphate is oxidized by NAD+ to yield 3-phosphoglycerate and NADH. 2 2 2 Table 10-2 Standard Reduction Potentials for Redox Pairs of Biological Relevance* Redox Pair Number of (oxidized form → reduced form) Electrons E.(V) acetate pyruvate 2 -0.70 succinate → a-ketoglutarate 2 -0.67 acetate acetaldehyde 2 -0.60 3-phosphoglycerate → glyceraldehyde-3-P 2 -0.55 a-ketoglutarate isocitrate -0.38 NAD+ → NADH 2 -0.32 FMN-FMNH2...
1. What is the redox state of Oxygen in a molecule of diatomic hydrogen gas (H2)?...
1. What is the redox state of Oxygen in a molecule of diatomic hydrogen gas (H2)? 2. NO2- + 6e- -> NH4+ (-0.41 volts) & O2 + 4e- -> 2H2O (+0.82 volts) If you balance and combine the reactions so that 52 molecules of NH4+ are oxidized to NO2-, how many molecules of O2 will be reduced to H2O? 3. NO3- + 10e- -> N2 (E0 = +0.74 V) & H+ + 2e- -> H2 (E0 = -0.42 V) If...
Q7) Using Table 9.1 (page 294) in your textbook and/or in the slides of chapter 9 (online material), determine the standard free energy (AG) for the following reaction in kJ/mol. [Faraday constant = 96.5 kJ/V] [10 points) FADH2 + 1/202 - FAD + 2H+ + H:0 Show detailed calculation. Final answer without clear work will not be considered. TABLE 9.1 Standard Reduction Potentials Redox Half-Reaction 2H+ + 2e" - H a-Ketoglutarate + CO, + 2H+ 2e isocitrate NADP+ + H+...
In one step of glycolysis, glyceraldehyde 3-phosphate is oxidized by NAD+ to yield 3-phosphoglycerate and NADH. 1) Consider that reaction, in the direction written. Which chemicals) is(are) losing electrons, and which chemical(s) is(are) gaining electrons? It's best to answer this in a clear complete sentence. 2 2 2 Table 10-2 Standard Reduction Potentials for Redox Pairs of Biological Relevance* Redox Pair Number of (oxidized form → reduced form) Electrons E.(V) acetate pyruvate 2 -0.70 succinate → a-ketoglutarate 2 -0.67 acetate...
Useful Constants: R R J mol i K i 8.3144 F 9.6485 x 10 C mol-1 1. The standard reduction potentials for the cerium(IV) ion and the bismuthyl ion are shown below along with their corresponding reactions: Eo 3+1.61 V Cei (ag) e Ce3+(ag) Bi (s) H20 Eo +0.32 V Biot (aq) +2H+ (aq) +3e In a galvanic cell, the following oxidation-reduction reaction occurs: 3Cei (aa) Bi(s) +H20() 3ce3+(aq) Biot (aq) 2H+ (aq). Use the half-reactions and the overall reaction...
16A. Do the same energy calculation for iron oxidation (Fe2+ → Fest) using oxygen as an electron acceptor. How many ATP could a cell make from this (1 ATP - 44 kJ/mol)? 16B. Does the redox reaction have a stronger electron donor or acceptor? TABLE 14.1 "Electron Tower" of Standard Reduction Potentials E®(mv) AG® (kJ) Electron donor [CH2O] glucose + H2O 1 Hz +166 +81 +62 1 1 NADH+H HS +27 1 1 +46 1 1 Electron acceptor CO2 +...
The table shows standard reduction potentials, E!, for reactions with transferred electrons. 2 Oxidant Reductant 0, + 2H+ HO FAD FADH Faraday's constant is 96.48 kJ mol-' V-1. +0.82 -0.22 Electron transfer from NADH or FADH, to oxygen generates a proton gradient across the mitochondrial membrane Electrons from NADH result in more protons being pumped across to form the gradient than electrons from FADH. Calculate the free energy change, AG", for the reduction of O, with FADH. Round your answer...
Answer is NOT: -0.12
Part F What is the AE, for the reduction of lactate to pyruvate by NAD+ under standard conditions? Express your answer using two decimal places. Templates Symbols undo regio desde keyboard shortcuts help AEG' = V Submit Request Answer Use the table below as the basis for the calculations needed to answer the following questions. Standard Reduction Potentials for Redox Pairs of Biological Relevance Standard Redox Pair Number Reduction (oxidized form of reduced form) Potential, electrons...
I need this answered and explained!
Redox couple Eo (V) CO2/glucose (-0.43) 24 e 2H /H2 (-0.42) 2e CO2/methanol(-0.38) 6 e NAD /NADH (-0.32) 2 e -0.50 --0.40 -0.30 CO2/acetate (-0.28) 8 e E-0.20 S /H2S (-0.28)2 e SO22 /H2S(-0.22) 8 e Pyruvate/lactate (-0.19) 2 e SO62-S2032(+0.024) 2 e -0.10 0.0 Fumarate/succinate (+0.03) 2 e +0.10 Cytochrome boxred (+0.035) 1 e +0.20 Fe3 /Fe2 (+0.2) 1 e, (pH 7) Ubiquinone ox/red (+0.11) 2 e Cytochrome Cox/red (+0.25) 1 e Cytochrome...
Use the chart to answer the questions. Please be correct and
careful
In one step of glycolysis, glyceraldehyde 3-phosphate is oxidized by NAD+ to yield 3-phosphoglycerate and NADH. 2 2 2 Table 10-2 Standard Reduction Potentials for Redox Pairs of Biological Relevance* Redox Pair Number of (oxidized form → reduced form) Electrons E.(V) acetate pyruvate 2 -0.70 succinate → a-ketoglutarate 2 -0.67 acetate acetaldehyde 2 -0.60 3-phosphoglycerate → glyceraldehyde-3-P 2 -0.55 a-ketoglutarate isocitrate -0.38 NAD+ → NADH 2 -0.32 FMN-FMNH2...
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