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@X@user.full_name@X@ @GMU: What is the boiling point when 14.59 g of LiCl (formula mass = 42.39 g/mol) is dissolved in 171.48 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 overall order of the elementary reaction:3*A + 2*B → C?

@X@user.full_name@X@ @GMU: The osmotic pressure of an unknown solution is 1136.520 mm Hg at 30.22 °C. Which of the solutions below is the most likely one? Assume any salt is completely ionic!

@X@user.full_name@X@ @GMU: Radioactive substances decay by first-order kinetics. How many years would be required for a sample containing carbon-14 to decrease to 53.91% of its initial activity? The half-life of carbon-14 is 5.73e3 years.

@X@user.full_name@X@ @GMU: The osmotic pressure of a 11.798 mM solution of Ba(NO3)2 is 0.610 atm at 18.52 °C. How many ions per formula unit of Ba(NO3)2 must there be? The compound may not be completely ionic.

Determine if the forward reaction for the energy level diagram is endothermic or exothermic and what the ΔH for the reverse reaction is.

@X@user.full_name@X@ @GMU: A mixture containing an initial concentration of 0.1987 M for H2 and 0.1540 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: Determine the mole fraction of cyclohexene if 6.8460 g of cyclohexene, C6H10, was mixed with 8.49 g of cyclopentene, C5H8. MW(C6H10) = 82.145 g/mol; MW(C5H8) = 68.119 g/mol.

@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?2PCl3(g) + O2(g)→2POCl3(g)

John Schreifels @GMU: When 8.824 g of glucose was dissolved in 103.7 g of benzene, the freezing point was 276.2 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.