Below are the half reactions for sulfate reduction using acetate as a source of electrons, energy, and carbon.
CO2 + 8e- -> CH3COO-(-0.29 volts)
SO42-+ 8e- -> H2S (-0.22 volts)
If you balance and combine the reactions so that 41 molecules of CH3COO- are oxidized to CO2, how many molecules of H2S will be produced?
Below are the half reactions for sulfate reduction using acetate as a source of electrons, energy,...
Below are the reduction half reactions for chemolithoautotrophic nitrification, where ammonia is a source of electrons and energy and oxygen is the terminal electron acceptor. NO2- + 6e- -> NH4+ (-0.41 volts) O2 + 4e- -> 2H2O (+0.82 volts) If you balance and combine the reactions so that 82 molecules of NH4+ are oxidized to NO2-, how many molecules of O2 will be reduced to H2O?
Below are the reduction half reactions for chemolithoautotrophic denitrification, where hydrogen is a source of electrons and energy and nitrate is the terminal electron acceptor. NO3- + 10e- -> N2 (E0 = +0.74 V) H+ + 2e- -> H2 (E0 = -0.42 V) If you balance and combine the reactions so that 220 molecules of H2 gas are oxidized to H+, how many molecules of NO3- will be reduced to dinitrogen gas?
Below are the reduction half reactions for chemolithoautotrophic denitrification, where hydrogen is a source of electrons and energy and nitrate is the terminal electron acceptor. NO3- + 10e- -> N2 (E0 = +0.74 V) H+ + 2e- -> H2 (E0 = -0.42 V) If you balance and combine the reactions so that 155 molecules of H2 gas are oxidized to H+, how many molecules of NO3- will be reduced to dinitrogen gas?
Below are the reduction half reactions for chemolithoautotrophic nitrification, where ammonia is a source of electrons and energy and oxygen is the terminal electron acceptor. NO2- + 6e- -> NH4+ (-0.41 volts) O2 + 4e- -> 2H2O (+0.82 volts) Using the information given, calculate the ΔE for this reaction, balance the full reaction to determine the n, the number of electrons transfered when 3 molecules of NH4+ are oxidized. Finally, use the simplified Nernst Equation ΔG = -nFΔE, where F...
Below are the paired reduction reactions for chemolithotrophic denitrification: these organisms are using nitrate as an electron accepter and are using hydrogen gas as a source of energy and electrons. 2NO3- + 10e- -> N2 (+0.74 volts) 2H+ + 2e- -> H2 (-0.42 volts) Using the information given, calculate the ΔE for this reaction, balance the full reaction to determine n, the number of electrons transfered when 97 molecules of H2 are oxidized. Finally, use the simplified Nernst Equation ΔG...
Show how using half-reactions may be used to balance (relatively) complex oxidation/reduction reactions such as the following reaction in basic solution: Let's try this problem together - feel free to answer the first couple of questions (oxidation states) and then the next person can take over.....by the end we can solve it all together. What is the oxidation state of sulfur (S) in SO32-? What is the oxidation state of sulfur in SO42-? Write the appropriate half-reaction in a basic...
Balance the following half reactions and combine into a full reaction for each one, and then provide the molar ratio H produced/consumed per mol substrate oxidized: H2-2H' coupled to C2HCl, C2H3Cl H22H coupled to C2HCl3C2H4 H2 2H coupled to C2HCl3 C2H2Cl2 CH3C00. oxidation to HCO3 coupled to C:HC13-) C2H3Cl CH3COO oxidation to CO2 coupled to C2HCl3 > C2H4 C8H6 oxidation to CO2 coupled to NO3 NH4 Balance the following half reactions and combine into a full reaction for each one,...
Below are the paired reduction reactions for chemolithotrophic denitrification: theseorganisms are using nitrate as an electron accepter and are using hydrogen gas as a source of energy and electrons. 2NO3- + 10e- -> N2 (+0.74 volts) 2H+ + 2e- -> H2 (-0.42 volts) Using the information given, calculate the ΔE for this reaction, balance the full reaction to determine n, the number of electrons transfered when 53 molecules of H2 are oxidized. Finally, use the simplified Nernst Equation ΔG =...
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...
In redox reactions Protons are transferred from one molecule to another One substance loses electrons and the other gains electrons A substance that loses electrons is reduced, while a substance e that gains electrons are oxidized B and c are both correct Which process in eukaryotic cells will proceed normally whether oxygen (O2) is present of not? Electron transport Glycolysis The citric acid cycle Oxidative phosphorylation Chemiosmosis How many carbon atoms are fed into the cirtic acid cycle as a...