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@X@user.full_name@X@ @GMU: The half-reaction Fe(s) → Fe3+(aq) + 3e-

@X@user.full_name@X@ @GMU: The osmotic pressure of an unknown solution is 1.479 atm at 27.56 °C. Which of the solutions below is the most likely one? Assume any salt is completely ionic!

@X@user.full_name@X@ @GMU: What is the conjugate base and base dissociation constant of CH3COOH if its acid dissociation constant is 1.760×10-5 ?

John Schreifels @GMU: What is the total entropy change at 25oC for the reaction below, if the standard entropies of reactants and products are So(C(gr)) = 5.74 J/mol*K, So (H2(g)) = 130.68 J/mol*K, and So (C4H10(g)) = 310.1000J/mol*K and the heat of formation of C4H10(g)) is -126.1400 kJ/mol.C4H10(g) → 4C(gr) + 5H2(g)

@X@user.full_name@X@ @GMU: What is the concentration of OH- in 0.1381 M CH3COOH ? See reaction belowCH3COOH + H2O → CH3COO- + H3O+ Ka = 1.760×10-5

@X@user.full_name@X@ @GMU: What would the [OH-] be after addition of 15.04 mL of 0.1000 M NaOH to 25.00 mL of 0.1000 HA (a weak acid, Ka = 5.86e-5)?

@X@user.full_name@X@ @GMU: Which base listed below would be the best to creat a buffer having a pH of 9.3373?

@X@user.full_name@X@ @GMU: Determine the concentration of A after 91.005 seconds if the initial concentration of A was 0.3741 M and the first order rate constant is 1.265e-2 s-1.

@X@user.full_name@X@ @GMU: What is the free energy change for the reaction below, if the reaction quotient, Q, at 25.0oC is equal to 2.08e-7?4C2H2(g) + 5 H2(g) → C8H18(g) ΔGo = -819.870 kJ.

@X@user.full_name@X@ @GMU: If you raise the pressure from what it is at point 1 to that of point 5, you go from a ___ to _____.