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An aqueous solution of a soluble compound (a nonelectrolyte) is prepared by dissolving 33.2 g of the compound in sufficient water to form 250 ml of solution. The solution has an osmotic pressure of 1.2 atm at 25 Celcius. What is the molar mass (g/ml) of the compound?
What is the reason for using a phase transfer catalyst? a)It is used to transfer the catalyst to the active site of the reaction b)It serves as a proton transfer agent which moves protons from a base to an acid
calculate the amount of heat(in kj) required to convert 94.6g of water to steam at 100 degrees celsius. (the molar heat of vaporization of water is 40.79 kj/mol)
Why is Sb capable of having an expanded octet whereas nitrogen can not even though they are in the same column on the periodic table
What is the lead (II) ion concentration in a solution prepared by mixing 397 mL of 0.416 M lead (II) nitrate with 457 mL of 0.284 M sodium fluoride? The Ksp of lead (II) fluoride is 3.6 × 10-8
What is the pH of a solution that contains three parts of acetic acid and one part sodium acetate?
Draw the product formed from the reaction of benzoyl chloride with the following reagent: excess benzylamine
Dinitrogen pentoxide, N2O5, decomposes in the gas phase to form nitrogen dioxide, NO2, and oxygen gas, O2. The reaction is first order in dinitrogen pentoxide and has a half-life of 2.81 hours at 25 C.
If the pressure of 50.0 mL of oxygen gas at 100 °C increases from 735 mm Hg to 925 mm Hg, what is the final volume? Assume temperature remains constant.
The unit of denier is a way to characterize fibers, defined as the weight in grams of a length of 9000 meters. Nylon 6 has an average specific gravity of 1.13.
Calculate the pH at the equivalence point in titrating 0.010 M solutions of each of the following with 0.081 M NaOH. (a) hydrochloric acid (HCl) pH = _?_ It's not 12.55
The reaction vessel is charged initially with SO3(g) and NO(g), each at a partial pressure of 0.500 atm. In the space below, enter the equilibrium the partial pressure of SO2(g) in units of atm
calculate the density of the pheromone in grams per liter in a cylindrical air space with a radius of 0.50 mi and a height of 40ft.
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