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@X@user.full_name@X@ @GMU: Initially there were equilibrium concentrations of 0.1639 M A, 0.5000 M B, and 0.1639 M C. Which change will cause the equilibrium to shift from right to left? Use the reaction below.6A → 2 B +3 C Kc = 0.517

@X@user.full_name@X@ @GMU: What is the order for reactant A (first) and B from the initial concentrations and reaction rates below? [A]o [B]o Rate, M/s 0.275 0.376 5.89e-7 0.504 0.376 1.08e-6 0.275 0.631 7.64e-7

@X@user.full_name@X@ @GMU: The osmotic pressure of a 19.902 mM solution of Ba(NO3)2 is 802.229 mm Hg at 13.70 °C. How many ions per formula unit of Ba(NO3)2 must there be? The compound may not be completely ionic.

Sulfuryl Chloride, SO2Cl2 decomposes in the gas phase according to first order kinetics. Determine half-life and the rate constant.SO2Cl2(g) → SO2(g) + Cl2(g)

@X@user.full_name@X@ @GMU: A mixture containing an initial concentration of 0.1942 M for H2 and 0.1665 M for Br2 is allowed to come to equilibrium (see reaction below). What must be the equilibrium concentration of HBr?H2(g) + Br2(g) → 2HBr(g) Kc = 1.42e3

John Schreifels @GMU: Determine the mass of KF required to produce a 0.3072 molal solution by dissolving KF in 222.3944 g of H2O. MW(KF) = 58.0967 g/mol. 

@X@user.full_name@X@ @GMU: What is the value of Kc at 25.00 °C for the reaction below if Kp is 2.5600 at this temperature?2NO(g) + Br2(g) → 2NOBr(g)

@X@user.full_name@X@ @GMU: What is the mole fraction of magnesium nitrate, Mg(NO3)2, in an aqueous solution that contains 1.7596 g of magnesium nitrate dissolved in 22.2333 grams of water? MW(Mg(NO3)2) = 148.315 g/mol.

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

@X@user.full_name@X@ @GMU: What is the solubility in g/L of Kr at a partial pressure of 268.1 torr, if the solubility at a partial pressure of 431.8 torr is 0.1328 g/L?