@X@user.full_name@X@ @GMU: What is the solubility in mol/L of NO at a partial pressure of 645.8 torr, if the solubility at a partial pressure of 500.5 torr is 0.001251 mol/L?

@X@user.full_name@X@ @GMU: What is the activation energy (in kJ/mol) for the reaction below if the rate constants are 1.080e9 M-1s-1 at -78.00°C and 2.37e9 M-1s-1 at -54.54°C?NO(g) + O3(g) → NO2(g) + O2(g)

@X@user.full_name@X@ @GMU: The osmotic pressure of an unknown solution is 643.191 mm Hg at 32.77 °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 boiling point elevation when 14.90 g of sucrose (formula mass = 342.30 g/mol) is dissolved in 185.67 g of benzene? The boiling point elevation constant is 2.530 (°C*kg)/mol.

@X@user.full_name@X@ @GMU: When 3.320 g of urea was dissolved in 102.4 g of benzene, the boiling point was 354.6 K. What is the formula mass of this compound? The boiling point elevation constant for benzene is 2.53 (°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 0.1328 M A, 0.3333 M B, and 0.1328 M C (see reaction below). The concentration of C was suddenly increased to 11.80 M. What was the approximate concentration of each after equilibrium had been re-established?4A → 3 B +2 C Kc = 1.004

@X@user.full_name@X@ @GMU: The osmotic pressure of an unknown solution is 0.684 atm at 34.21 °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 value of Kc at 450.00 °C for the reaction below if Kp is 1.22e-3 at this temperature?N2(g) + 3H2(g) → 2NH3(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.

@X@user.full_name@X@ @GMU: When 12.26 g of citric acid was dissolved in 108.4 g of benzene, the freezing point was 275.6 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.