Please Help Weak Acid Base Problems!!! 1. Calculate the pH of a 0.100 M NH3 solution Kb = 1.8 x 10^-5
Calculate the pH of a 0.100 M NH3 solution Kb = 1.8 x 10^-5
Initial:
Change:
at Equilibrium:

2. Calculate the Kb from species concentrations
Calculate the Kb for methylamine, CH3NH2, if the pOH of a 0.0100 M CH3NH2 solution is 7.66
Initial:
Change:
at Equilibrium:

3. Calculation of species concentrations from Kb
Calculate the pH of a 0.100 M C5H5N Kb == 1.3 x 10^-3
Initial:
Change:
at Equilibrium:

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.