@X@user.full_name@X@ @GMU: What is the concentration of OH- in 0.1628 M CH3COOH ? See reaction belowCH3COOH + H2O → CH3COO- + H3O+ Ka = 1.760×10-5

@X@user.full_name@X@ @GMU: What is the standard free energy change for the ionization of 1-butylamine, if its Kb is 4.10e-4.

@X@user.full_name@X@ @GMU: What is the pOH of a 0.1518 M CH3COOH ? See reaction belowCH3COOH + H2O → CH3COO- + H3O+ Ka = 1.760×10-5

@X@user.full_name@X@ @GMU: What is the correct expression for the solubility product of copper (II) carbonate?CuCO3(s) → Cu2+(aq) + CO32-(aq)

@X@user.full_name@X@ @GMU: What is the cell voltage for the following cell?Cu2+(aq) + Mg(s) → Cu(s) + Mg2+(aq) ΔGo = -522.949 kJ

John Schreifels @GMU: What is the change in mass of 95Mo when it is formed from protons, electrons and neutrons if the atom has a mass of 94.9058411 amu? The masses of the proton, electron and neutron are 1.00728 amu, 0.000549 amu and 1.00867 amu, respectively.

@X@user.full_name@X@ @GMU: Determine the concentration of A after 62.852 seconds if the initial concentration of A was 0.3510 M and the first order rate constant is 1.729e-2 s-1.

@X@user.full_name@X@ @GMU: What is the fraction of A remaining after 83.527 seconds if the first order rate constant is 9.211e-3 s-1?

@X@user.full_name@X@ @GMU: What is the conjugate base and base dissociation constant of H2S if its acid dissociation constant is 9.100×10-8 ?

@X@user.full_name@X@ @GMU: BaO has a face-centered cubic unit cell in which the O2- anions occupy corners and face centers, while the cations fit into the hole between adjacent anions. What is the radius of Ba2+ if the ionic radius of O2- is 140.0 pm and the density of BaO is 5.720 g/cm3?