@X@user.full_name@X@ @GMU: What is the rate constant at 46.61°C for the reaction below if the rate constant is 3.70e-5 s-1 at 25.00°C and the activation energy is 104.00 kJ/mol?2N2O5(g)→ 4NO2(g) + O2(g)

@X@user.full_name@X@ @GMU: A mixture containing an initial concentration of 0.1738 M for H2 and 0.1430 M for Cl2 is allowed to come to equilibrium (see reaction below). What must be the equilibrium concentration of HCl?H2(g) + Cl2(g) → 2HCl(g) Kc = 5.00e16

@X@user.full_name@X@ @GMU: When 2.785 g of urea was dissolved in 108.5 g of benzene, the freezing point was 276.5 K. What is the formula mass of this compound? The freezing point depression constant for benzene is 5.12 (°C*kg)/mol. The melting point and boiling points are 5.50°C and 80.10°C, respectively.

@X@user.full_name@X@ @GMU: Initially there were equilibrium concentrations of 0.1387 M A, 0.5000 M B, and 0.1387 M C. Which change will cause Qc to be greater than Kc? Use the reaction below.5A → 2 B +3 C Kc = 1.075

@X@user.full_name@X@ @GMU: What is the freezing point when 12.47 g of Fe(NO3)3 (formula mass = 241.85 g/mol) is dissolved in 193.88 g H2O? The freezing point depression constant is 1.8600 (°C*kg)/mol. Assume any salt is completely ionic!

@X@user.full_name@X@ @GMU: The reaction below is an endothermic reaction. What would one have to do to increase the size of the equilibrium constant?SO2Cl2(g)→SO2(g) + Cl2(g)

@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?2NO2(g)→N2O4(g)

@X@user.full_name@X@ @GMU: What is the boiling point elevation when 12.98 g of K3PO4 (formula mass = 212.30 g/mol) is dissolved in 190.63 g H2O? The boiling point elevation constant is 0.5100 (°C*kg)/mol. Assume any salt is completely ionic!

@X@user.full_name@X@ @GMU: What is the value of Kc at 726.85 °C for the reaction below if Kp is 25.5886 at this temperature?H2(g) + CH4(g) → CO(g) + 3H2(g)

@X@user.full_name@X@ @GMU: Determine the mole fraction of toluene if 6.1017 g of toluene, C7H8, was mixed with 7.48 g of cyclohexene, C6H10. MW(C7H8) = 92.141 g/mol; MW(C6H10) = 82.145 g/mol.