Blog

@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: Determine the rate of the last set of reaction conditions. [A]o [B]o Rate, M/s 0.347 0.395 3.56e-4 0.687 0.395 3.56e-4 0.347 0.717 2.65e-4 0.687 0.783 ?

@X@user.full_name@X@ @GMU: The reaction below is a exothermic reaction. What would one have to do to shift the equilibrium to the right?2SO2(g) + O2(g)→2SO3(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.

Which of the following conditions will cause equilibrium to shift to the right?FeO(s) + CO(g) ⇋ Fe(s) + CO2(g)

@X@user.full_name@X@ @GMU: Determine the rate of formation of SO42− if the initial concentration of I− was 0.6528 M and decreased to 0.5282 M after 0.3636 hours. Use the reaction below.3I−(aq)+ S2O82−(aq) → I3−(aq) + 2SO42−(aq)

@X@user.full_name@X@ @GMU: The following data was obtained by the method of initial rates. What is the value of the rate constant for the reaction of A with B to produce product? [A]o [B]o Rate, M/s 0.298 0.307 7.41e-7 0.571 0.307 1.42e-6 0.298 0.524 9.68e-7

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

What would be the expected rate law for the mechanism described below?1   O3 + Br → BrO + O2 fast 2   BrO + O → Br + O2 slow

@X@user.full_name@X@ @GMU: What is the value of Kc at 250.00 °C for the reaction below if Kp is 2.33e-3 at this temperature?CO(g) + 2H2(g) → CH3OH(g)