Questions from General Chemistry

Q: Which has the greater buffer capacity: (a) a mixture

Which has the greater buffer capacity: (a) a mixture containing 0.100 mol of NH3 and 0.200 mol of NH4Cl or (b) a mixture containing 0.0500 mol of NH3 and 0.100 mol of NH4Cl?

Q: Generate equilibrium-constant expressions for the following reactions. Calculate numerical

Generate equilibrium-constant expressions for the following reactions. Calculate numerical values for Keq.

Q: Calculate the electrode potential of the system at the equivalence point for

Calculate the electrode potential of the system at the equivalence point for each of the reactions in Problem 17-11. Use 0.100 M where a value for [H+] is needed and is not otherwise specified.

Q: If you start with 0.1000 M solutions and the first

If you start with 0.1000 M solutions and the first-named species is the titrant, what will be the concentration of each reactant and product at the equivalence point of titrations (a), (c), (f), and (...

Q: Select an indicator from Table 17-3 that might be suitable

Select an indicator from Table 17-3 that might be suitable for each of the titrations in Problem 17-11. Write NONE if no indicator listed in Table 17-3 is suitable.

Q: Use a spreadsheet, and construct curves for the following titrations.

Use a spreadsheet, and construct curves for the following titrations. Calculate potentials after the addition of 10.00, 25.00, 49.00, 49.90, 50.00, 50.10, 51.00, and 60.00 mL of the reagent. Where nec...

Q: How can the relative supersaturation be varied during precipitate formation?

How can the relative supersaturation be varied during precipitate formation?

Q: Use a spreadsheet, and construct curves for the following titrations.

Use a spreadsheet, and construct curves for the following titrations. Calculate potentials after the addition of 10.00, 25.00, 49.00, 49.90, 50.00, 50.10, 51.00, and 60.00 mL of the reagent. Where nec...

Q: Briefly define the electrode potential of a system that contains two or

Briefly define the electrode potential of a system that contains two or more redox couples.

Q: For an oxidation/reduction titration, briefly distinguish between a

For an oxidation/reduction titration, briefly distinguish between a. equilibrium and equivalence. b. a true oxidation/reduction indicator and a specific indicator.?