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Consider the following reduction potentials: Cu2+ + 2e- -> Cu E° = +0.34 V Pb2+ + 2e- -> Pb E° = -0.13 V For a galvanic cell employing the Cu, Cu2+ and Pb, Pb2+ couples, calculate the maximum amount of work that would accompany the reaction of one mole of lead under standard conditions.
Because electron transport is coupled to ADP phosphorylation, it is theoretically possible to drive electrons backwards up the chain, against the potential gradient, at the expense of ATP.
Drinking water in the USA cannot exceed 0.5 ppm mercury. What mass of mercury is present in 1.3 L of water at this concentration. What is the molar concentration of mercury
A solution is prepared by adding 0.500 g of solid NaCl to 50.0 mL of 0.100 M {CaCl_2}. What is the molarity of chloride ion in the final solution? Assume that the volume of the final solution is 50.0 mL.
Write the first step in this elimanation reaction, using curved arrows to show electron reorganization. OH- CH3-C-(CH3)2Cl
Calculate the pH of 0.40 M KNO2. What is the concentration of HNO2 in the solution
For the neutralization reaction involving HNO3 and Ca(OH)2, how many liters of 1.55 M HNO3 are needed to react with 45.8 mL of a 4.66 M Ca(OH)2 solution?
This exothermic reaction is catalyzed by MnO2(s). 2H2O2(aq) => 2 H2O(l) + O2(g) Which of the following will increase the rate of this reaction? 1. Raising the temperature 2. Increasing the surface area of MnO2(s)
How many molecules of acetylene (HCCH) react with 131 molecules of oxygen to produce carbon dioxide and water
The electronegativty for both sulfur and carbon is 2.5. Therefore the compound CS2 would be expected to A) be ionic with C as the anion
Calculate the volume of reagent required for each reaction in this lab sequence, assuming the tarting mass of copper used is 1.00g. Concentrations of reagents are
What is the half life of this reaction if the initial concentration is 1.40 M. b) Given this same starting concentration, calculate the concentration after 3 minutes. c) How long would it take for the starting concentration to reduce to 0.50 M?
The Kb value for Hydrazine is 1.3x10^-6. What is the pH of the solution before any HCl has been added
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