@X@user.full_name@X@ @GMU: A gas mixture contains an unknown amount of Xe and 0.1092 mol of C3H8. How many moles of Xe are there, if the total pressure is 841.48 mm Hg and the partial pressure of Xe is 519.69 mm Hg?

@X@user.full_name@X@ @GMU: What is the coefficient, b, in the reaction below, if Kc = 1.96e-5 and Kp = 4.38e-7 at 272.39°C?2A(s) + bB(g) → 3C(g)

@X@user.full_name@X@ @GMU: What is the coefficient, b, in the reaction below, if Kc = 1.96e-5 and Kp = 4.38e-7 at 272.39°C?2A(s) + bB(g) → 3C(g)

Which of the following conditions will cause equilibrium to shift to the right?FeO(s) + CO(g) ⇋ Fe(s) + CO2(g)

@X@user.full_name@X@ @GMU: From the reaction below, calculate the free energy of formation for C7H16(g) at 25°C, if ΔGfo(CH4(g)) is -50.790 kJ/mol.7CH4(g) → C7H16(g) + 6H2(g) ΔGo = 364.105 kJ/mol

@X@user.full_name@X@ @GMU: What is the empirical formula of a compound if its percent composition is 68.74% C and 12.18% H and 8.907% N ? The compound contains only C, H, N and O.

@X@user.full_name@X@ @GMU: What is the free energy change at 25°C for the reaction below, if ΔGfo(CH4(g) = -50.790 kJ/mol, ΔGfo(C5H12(g)) is -8.234 kJ/mol.C5H12(g) + 4H2(g) → 5CH4(g)

@X@user.full_name@X@ @GMU: What is the energy of a photon having a wavelength of 28.47 pm? Remember Planck’s constant is 6.626×10-34 J×s

@X@user.full_name@X@ @GMU: What is the balanced reaction for the following galvanic cell?Cd(s)| Cd2+(aq) || Pb2+(aq) | Pb(s)

@X@user.full_name@X@ @GMU: What is the wavelength of photons having an energy of 0.0760 kJ/mol. Remember Planck’s constant is 6.626×10-34 J×s