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A solution is made by dissolving 0.732 mol of nonelectrolyte solute in 837 g of benzene. Calculate the freezing point and boiling point of the solution. Constants may be found here.
Which description best characterizes the length of a hydrogen bond between water molecules?
Calculate the potential of the cell below. The absorbance of the solution of the solution in the Nickel cell is 0.347 in a 2 cm cell. (The molar absorptivity of Ni(en)2 (2+ charge) is 3,500, the fractional dissociation of en = 1.16 x 10^-4, kf=3.0..
What phase or phases are present when 250. kJ of energy is removed from this sample? Specific heat capacities:
At a particular temperature, N2O5 decomposes according to a first-order rate law with a half-life of 3.0 s. If the initial concentration of N2O5 is 1.0 × 1016 molecules/cm3, what will be the concentration in molecules/cm3 after 11.3 s?
Determine the mass of acetamide present per kg of water if the freezing point of this solution is 0 °C. (The freezing point of pure water is 0°C (exactly) at 1 atm pressure and the molal freezing-point-depression constant for water is 1.86°C/m.)
An aqueous solution containing 9.47 g of an optically pure compound was diluted to 200.0 mL with water and placed in a polarimeter tube 20.0 cm long.
If 26.43 mL of a standard 0.1650 M NaOH solution is required to neutralize 25.23 mL of H2SO4, what is the molarity of the acid solution
calculate the reaction rate of potassium iodide and hydrogen peroxide to include the order of reaction.
Consider a rigid, adiabatic, impermeable cylinder (i.e., a closed isolated system) that consists of two chambers (i.e., simple systems) that are separated by a wall that is permeable
Formalin is an aqueous solution of formaldehyde, HCHO, used as a preservative. How many grams of formaldehyde must be used to prepare 2.5 L of 12.3 M solution
What volume of 6.00 M sodium hydroxide in milliliters must be diluted to 209.0 mL to make a 1.50 M solution of sodium hydroxide
Assume that you have carried out a radical chlorination reaction on (R)-2- chloropentane and have isolated (in low yield) 2,4-dichloropentane.
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