@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?

@X@user.full_name@X@ @GMU: To what temperature would the reaction below need to be heated to have a rate constant of 9.34e-4 M-1s-1 if the rate constant was 2.700e-4 M-1s-1 at 327.00°C and the activation energy was 166.00 kJ/mol?H2(g) + I2(g) → 2HI(g)

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

@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?

@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 2.45e9 M-1s-1 at -53.47°C?NO(g) + O3(g) → NO2(g) + O2(g)

@X@user.full_name@X@ @GMU: What is the molality of a solution made by combining 2.9209 g rubidium chloride, RbCl, with 0.2399 L of water (assume a density of 1.00 g/mL)? The molecular weight is 120.9205 g/mol.

@X@user.full_name@X@ @GMU: What is the solubility in mol/L of C2H4 at a partial pressure of 614.1 torr, if the solubility at a partial pressure of 467.5 torr is 0.002891 mol/L?

Consider the reaction.I2(s) + 5F2(g) ⇋ 2IF5(g)What is the correct expression for Kc?

@X@user.full_name@X@ @GMU: A mixture containing an initial concentration of 0.1908 M for H2 and 0.1417 M for I2 is allowed to come to equilibrium (see reaction below). What must be the equilibrium concentration of HI?H2(g) + I2(g) → 2HI(g) Kc = 48.7000

Methyl acetate, CH3COOCH3 hydrolyzes in the water according to first order kinetics. Determine half-life and the rate constant.CH3COOCH3(aq) + H2O(l) → CH3OH + CH3COOH(aq)