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Some species of bacteria can oxidize nitrite to nitrate using the energy released by the transfer of electrons to drive ATP synthesis. The relevant redox reactions are as follows:NO3- + 2H+ + 2e- ---> NO2- +H2O, E= 0.42V1/2 O2 + 2H+ + 2e- ---> H2O, E= 0.82V
F= 23.062 kilocals/mol
(ii) determine the maximum yield of ATP per mole of nitrite oxidized. What is the % efficiency of ATP synthesis in this system? What happens to the energy not used for ATP synthesis?
The emission spectrum for a one-electron ion in the gas phase. All the lines result from electronic transitions from excited states to the n=3 state. If the wavelength of line B is 142.5 nm, calculate the wavelength of line A.
calcium carbide cac2 reacts with water to form acetylene.cac2s2h2ol gt c2h2g caoh2sahow many grams of water are needed
Compute the enthalpy change for the dissolution of ammonium nitrate express your answers in units of kJ/mol.
What is the technique for securing a piece of filter paper into a Buchner funnel for vaccum filtration? c) The alum crystals are washed of contaminants with an alcohol-water mixture rather than with deionized water. Explain.
what is the molarity of a potassium permanganate solution if 25.0 ml of it reacts with 10.0 ml of .0100 M sodium sulfite under acidic condictions.
If each of the following mixtures were analyzed by thin-layer chromatography, which substance would have the largest Rf? The smallest Rf? Explain.
Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of 32 P, how many grams will remain after 112 days?
condensed form in order of increasing orbital energy as a string without blank space between orbitals.
How many grams of magnesium chloride must be dissolved in 568 g of water to give a solution that freezes at -2.38°C
find the rate of the reaction.c2h4gnbspnbspnbsp o3gnbsp harrnbspc2h4ognbsp nbsp o2ga. the concentration of
At 50 degrees C, the value of pKw (the dissociation constant for water) is 13.262. Calculate the pH of water at this temperature.
how many water molecules are in one cell? This can be a rough calculation, using a water density of 1g/mL and 3x10-23g as the mass of one water molecule
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