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Rank the following redox-active coenzymes and prosthetic groups of the electron-transport chain in order in increasing affinity for electrons. Use 1 for the species with the lowest electrn affinity and a 5 for the highest affinity. Explain how you arrived at your ranking.
-Cytochrome a
-CoQ
-FAD
-cytochrome c
-NAD+
Calculate the energy in joules of a 7.46 g object moving at a speed of 713 m/s. Enter in Scientific notation. Also determine how much greater the electrostatic energy is between charges
How much salicylic acid is required to produce 1.1 x 102 kg of aspirin assuming that all of the salicylic acid is converted to aspirin
aqueous solution given the density of the glucose solution is 1.23 g/cm^3.
A student loaded a mixture onto a small flash chromatography column in 1 mL of methylene chloride, then proceeded to elute with hexanes/ethyl acetate
Calculate the vapor pressure above concentrated NaOH at 35.0 °C, given vapor pressure of H2Ois 42.2 mm Hg at 35.0 °C.
A known vapor pressure value for ethanol is 221.3 mmhg. what temperature does this vapor pressure compressed to when compared to ethanol's boiling point.
A 0.456 gram sample of an unknown monoprotic acid (let's call it HZ) was dissolved in some water (you pick the amount). Then the acidic solution was titrated to the equivalence point with 32.5 mL of 0.174 M KOH.
What is the half-life of a compound if 78 percent of a given sample of the compound decomposes in 45 min? Assume first-order kinetics.
A student was given a standard Fe(s) | Fe2+(aq) half-cell and another halfcell containing an unknown metal M immersed in 1 M MNO3(aq).
What is the rate constant for the reverse reaction at the same temperature?
A mixture of CO, CO2 and O2 is contained within a 275 mL flask at 0C. If the total pres- sure is 780 torr, the CO has a partial pressure of 330 torr and the CO2 has a partial pressure of 330 torr, what is the partial pressure of O2?
You are given 2.56 g of salicylic acid. Using the procedure in the lab manual for the synthesis of aspirin, you recover 0.89 of aspirin. Calculate your percent yield of aspirin
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