@X@user.full_name@X@ @GMU: What is the value of Ksp in water, if 1.08e-6 M of A3B2 dissolves according to the reaction below?A3B2(s)→3A(aq) + 2B(aq) where A and B are ions
@X@user.full_name@X@ @GMU: BaO has a face-centered cubic uni…
@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?
@X@user.full_name@X@ @GMU: What must the reaction quotient Q…
@X@user.full_name@X@ @GMU: What must the reaction quotient Q be, if the free energy is -248.125 kJ at 25.0oC?2C2H2(g) + H2(g) → C4H6(g) ΔGo = -216.790 kJ.
@X@user.full_name@X@ @GMU: What is the pOH of a 0.1914 M H2S…
@X@user.full_name@X@ @GMU: What is the pOH of a 0.1914 M H2S? See reaction belowH2S + H2O → HS- + H3O+ Ka = 9.100×10-8
@X@user.full_name@X@ @GMU: What is the solubility in mol/L o…
@X@user.full_name@X@ @GMU: What is the solubility in mol/L of SO2 at a partial pressure of 329.3 torr, if the solubility at a partial pressure of 460.2 torr is 0.8937 mol/L?
@X@user.full_name@X@ @GMU: The cell potential was -0.669 V a…
@X@user.full_name@X@ @GMU: The cell potential was -0.669 V at 25oC and a Cu2+(aq) concentration of 0.147 M. What was the hydronium ion concentration? The H2(g) pressure was 1 atm at 25oC.2H+(aq) + Cu(s) → Cu2+(aq) + H2(g) Ecoell = -0.340 V
@X@user.full_name@X@ @GMU: What is the rate of consumption o…
@X@user.full_name@X@ @GMU: What is the rate of consumption of C (M/s), if the rate of consumption of A is 0.225 M/s? Use the reaction below:4A + 5B + 6C → products
@X@user.full_name@X@ @GMU: The cell potential was -0.564 V a…
@X@user.full_name@X@ @GMU: The cell potential was -0.564 V at 25oC and a Cu2+(aq) concentration of 0.114 M. What was the hydronium ion concentration? The H2(g) pressure was 1 atm at 25oC.2H+(aq) + Cu(s) → Cu2+(aq) + H2(g) Ecoell = -0.340 V
@X@user.full_name@X@ @GMU: What is the temperature at which…
@X@user.full_name@X@ @GMU: What is the temperature at which the reaction below becomes spontaneous, if the standard entropies of reactants and products at 25oC are So (C(gr)) = 5.74 J/mol*K, So(H2(g)) = 130.68 J/mol*K, and So (C5H8(g)) = 331.1100J/mol*K and the heat of formation of C5H8(g)) is 144.4200 kJ/mol?5C(gr) + 4H2(g) → C5H8(g)
@X@user.full_name@X@ @GMU: What is the solubility in g/L of…
@X@user.full_name@X@ @GMU: What is the solubility in g/L of CO at a partial pressure of 580.7 torr, if the solubility at a partial pressure of 417.8 torr is 0.01601 g/L?