@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(C3H6(g)) is 104.514 kJ/mol.3CH4(g) → C3H6(g) + 3H2(g)

@X@user.full_name@X@ @GMU: Which of the answers below is an example of a(n) weak electrolyte reaction?

@X@user.full_name@X@ @GMU: ACS-Determine the cell potential for the reaction below if [Cu2+] = 0.2205M and [Cr3+] = 0.0157M 3Cu2+(aq) + 2Cr(s) → 3Cu(s) + 2Cr3+(aq) E°= 1.080V

@X@user.full_name@X@ @GMU: What is the standard cell voltage at 25.0oC for the reaction below?Sn4+(aq) + Ni(s) → Sn2+(aq) + Ni2+(aq) K = 7.37e13

@X@user.full_name@X@ @GMU: Which of the following is a mixture?

@X@user.full_name@X@ @GMU: A flexible container was filled with H2 gas at a pressure of 1.121 atm and volume of 17.939 L. What volume would this same gas occupy if the pressure increased to 2.561 atm? Assume temperature is constant.

@X@user.full_name@X@ @GMU: The density of a particular gas is 1.4277 g/L at 772.22 mm Hg and 22.44 °C. What is the molecular mass of the gas?

@X@user.full_name@X@ @GMU: ACS-What is ΔG° for the reaction below, if ΔH° = 131.40 kJ, ΔS° = 135.000 J/KC(s) + H2O(g) → CO(g) + H2(g)

@X@user.full_name@X@ @GMU: What is the balanced reaction for the following galvanic cell?Cu(s)| Cu2+(aq) || Sn2+(aq) | Sn(s)

@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?