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@X@user.full_name@X@ @GMU: What is the mole fraction of sodium sulphate, Na2SO4, in an aqueous solution that contains 1.9709 g of sodium sulphate dissolved in 27.5459 grams of water? MW(Na2SO4) = 142.043 g/mol.

@X@user.full_name@X@ @GMU: Initially there were equilibrium concentrations of 0.3035 M A, 0.2839 M B, and 0.1474 M C. Which change will cause the equilibrium to shift from right to left if the reaction is exothermic? Use the reaction below.4A(aq) → 3 B(aq) +4 C(aq) K = 0.867

@X@user.full_name@X@ @GMU: Determine the mole fraction of cyclohexene if 8.1804 g of cyclohexene, C6H10, was mixed with 5.29 g of benzene, C6H6. MW(C6H10) = 82.145 g/mol; MW(C6H6) = 78.114 g/mol.

@X@user.full_name@X@ @GMU: Initially there were equilibrium concentrations of 0.3916 M A, 0.2862 M B, and 0.1293 M C. Which change will cause the equilibrium to shift from left to right if the reaction is endothermic? Use the reaction below.6A(aq) → 2 B(aq) +2 C(aq) K = 1.255

@X@user.full_name@X@ @GMU: What is the mole fraction of rubidium chloride, RbCl, in an aqueous solution that contains 1.1679 g of rubidium chloride dissolved in 25.7350 grams of water? MW(RbCl) = 120.9205 g/mol.

@X@user.full_name@X@ @GMU: What is the overall order of a reaction if its rate law is Rate = k[HgCl2][C2O42-]2?

@X@user.full_name@X@ @GMU: Upon addition of salt to water the vapor pressure of

@X@user.full_name@X@ @GMU: The reaction below is a exothermic reaction. What would one have to do to shift the equilibrium to the right?[CoCl2(H2O)4](aq) + 2H2O(g)→[Co(H2O)6]Cl2(aq)

@X@user.full_name@X@ @GMU: The reaction below is a exothermic reaction. What would one have to do to increase the size of the equilibrium constant?2NO2(g)→N2O4(g)

@X@user.full_name@X@ @GMU: Initially there were equilibrium concentrations of 0.3300 M A, 0.2637 M B, and 0.1190 M C. Which change will cause the equilibrium to shift from right to left if the reaction is exothermic? Use the reaction below.4A(aq) → 4 B(aq) +3 C(aq) K = 0.545