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The statements in the following multiple choices deal with the relationship between solute concentration and various colligative properties. Choose the statement which is true. a) Increasing the concentration of a nonvolatile solute in water decreases the osmotic pressure of the solution. b) Decreasing the concentration of a nonvolatile solute in water decreases the boiling point of the solution. c) Increasing the concentration of a nonvolatile solute in water decreases the boiling point of the solution. d) Decreasing the concentration of a nonvolatile solute in water decreases the vapor pressure of the solution. e) Decreasing the concentration of a nonvolatile solute in water decreases the freezing point of the solution.
Calculate the mass of Nitrogen (N2) that will react completely with 6.00g of Hydrogen (H2) to form Ammonia. Via the Reaction: N2+3H2=2NH3
Explain how to purify a product using each of the 3 different techniques, elaborate on what these techniques achieve at the molecular level.
Calculate the concentration of all the species, ions, and molecules, and the pH of the following solutions. All solutions have a total volume
What is the molar mass of lysine if 750.0 mL of a solution containing 8.60 g of lysine has an osmotic pressure of 1.918 atm? T = 25.0°C
When 2.45g of an unknown weak acid (HA) with a molar mass of 85.0 g/mol is dissolved in 250.0 g of water, the freezing point of the resulting solution is -0.255 C. Calculate Ka for the unknown weak acid.
find the molecular weight of a gaseous compound if the density is 12.24 g/L, the pressure is 900 torr, and the temperature is 47 degrees celcius.
Calculate the wavelength () of the light in nanometers () corresponding to the energy change () value of this transition. You can use the following values for your calculations
A 9.20-L container holds a mixture of two gases at 47 °C. The partial pressures of gas A and gas B, respectively, are 0.315 atm and 0.803 atm. If 0.180 mol of a third gas is added with no change in volume or temperature, what will the total pr..
By how much is the oxidizing power of MnO4-/Mn2 couple decreased if the H concentration is deceased
A 4.63 g sample of a molecular compound is dissolved in 103 g of tetrachloromethane (carbon tetrachloride). The normal boiling point of the solution is 61.51?C.
A 355 ml container holds .146g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 26 mmHg. Calculate the moles of Ar present
When anisole is nitrated with nitric acid/sulfuric acid, what product or product mixture is formed?
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