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Find the standard reduction potentials for the following half reactions in acidic solution.
a.) E° for MnO4 (aq) + 8 H+ (aq) + 5e^- -> Mn^2+ (aq) + 4 H2O (I)
b.) E° for NO3 (aq) + 4H^+ (aq) + 3e^- ----> NO (g) + 2 H2O (I)
c.) E° for O2 (g) + 4H^+ (aq) + 4 e^- ----> 2 H2O (I)
A mixture of Ar and N2 gases has a density of 1.592 g/L at STP. What is the mole fraction of each gas?
how many milliliter of 0.165M KMnO4 are needed to react with 108.0ml of 0.165 M oxalic acid? How many milliliter of 0.165M oxalic acid are required to react with 108ml of 0.165M KMnO4
Our simple pH meter that we have used before works on the principles deiscussed on page 829. What cell voltage would you expect from the pH probe if it is place into a beaker containing 50 mL of 1M HCl diluted with 50 mL of distilled water
What is the identity of the second major peak in the chromatogram and what is the third. What is your basis for these assignments
Propose a mechanism for the addition of bromine and water to cyclopentene. Be sure to show how the trans product results
What is the alkalinity of the river, What concentration of acid, for example, HCl, would result in a pH of 7.5
How much benzoic acid should be formed and will it be pure (in theory)? Is 50mL of water an appropriate volume for this procedure. If not, what is the minimum volume of water required? Use calculations to aid in your explanation.
arrow notation to draw the mechanism for the formation of polystyrene from styrene and benzoyl peroxide.
For the Ca2+ and F- ions, write the mathematical relations defining activity of each ion in terms of its concentration and activity coefficient. e) Based on your answers above, derive a relationship for Ksp' in terms of Kspo and activity coefficie..
A 64 g piece of ice at 0 degrees celsius is added to a sample of water at 9 degrees celsius. all of the ice melts and the temperature of the water decreases to 0 degrees celsius. How many grams of water were in the sample?
what is the difference between oxy-mercuration, hydroboration, and acid hydrogenation
A maximum of 1.89 mg of AgCl will dissolve in 1.00 L of solution at 25.0 C. A maximum of 5.26 mg of AgCl will dissolve in 1.00 L of solution at 50.0 C. Use this information to calculate standard enthalpy change and standard free energy change for ..
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