Blog

Consider the reaction.CCl4(g) ⇋ C(s) + 2Cl2(g)What is the correct expression for Kc?

@X@user.full_name@X@ @GMU: What is the solubility in g/L of He at a partial pressure of 456.0 torr, if the solubility at a partial pressure of 342.1 torr is 0.0006667 g/L?

@X@user.full_name@X@ @GMU: What is the value of Kc at 395.00 °C for the reaction below if Kp is 22.4336 at this temperature?CO(g) + Cl2(g) → COCl2(g)

Which of the following will be the least soluble in pentane,C5H12?

@X@user.full_name@X@ @GMU: A mixture containing an initial concentration of 0.1533 M for N2 and 0.1311 M for O2 is allowed to come to equilibrium (see reaction below). What must be the equilibrium concentration of NO?N2(g) + O2(g) → 2NO(g) Kc = 2.70e-18

@X@user.full_name@X@ @GMU: The following data was obtained by the method of initial rates. What is the rate law for the reaction of A with B to produce product? [A]o [B]o Rate, M/s 0.279 0.223 1.91e-5 0.457 0.223 3.98e-5 0.279 0.443 2.68e-5

@X@user.full_name@X@ @GMU: The osmotic pressure of a 16.150 mM solution of Na3PO4 is 1.213 atm at 22.70 °C. How many ions per formula unit of Na3PO4 must there be? The compound may not be completely ionic.

@X@user.full_name@X@ @GMU: When 0.2663 g of citric acid was dissolved in 103.5 mL of water, the osmotic pressure at 18.65°C was 0.3209 atm. What is the formula mass of this compound?

John Schreifels @GMU: Determine the mass of LiCl required to produce a 0.2309 molal solution by dissolving LiCl in 294.5576 g of H2O. MW(LiCl) = 42.394 g/mol. 

@X@user.full_name@X@ @GMU: When 0.5448 g of sucrose was dissolved in 102.7 mL of water, the osmotic pressure at 18.52°C was 0.3707 atm. What is the formula mass of this compound?