Use the PEC diagram given below for copper (II) sulfate to select the correct analysis of solubility in water: Ep UM Number of Configurations ion-ion interactions are stronger than the ion-dipole interactions because the UM has a lower potential energy ion-ion interactions are weaker than the ion-dipole interactions because the UM has a lower potential energy ion-ion interactions are stronger than the ion-dipole interactions because the UM has a higher number of configurations ion-ion interactions are weaker than the ion-dipole interactions because the UM has a higher number of configurations

Use the PEC diagram given below for copper (II) sulfate to select the correct analysis of solubility in water: Ep UM Number of Configurations ion-ion interactions are stronger than the ion-dipole interactions because the UM has a lower potential energy ion-ion interactions are weaker than the ion-dipole interactions because the UM has a lower potential energy ion-ion interactions are stronger than the ion-dipole interactions because the UM has a higher number of configurations ion-ion interactions are weaker than the ion-dipole interactions because the UM has a higher number of configurations

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter11: Properties Of Solutions

Section: Chapter Questions

Problem 70E: The vapor pressures of several solutions of water-propanol (CH3CH2CH2OH) were determined at various...

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The vapor pressures of several solutions of water-propanol (CH3CH2CH2OH) were determined at various compositions, with the following data collected at 45C: H2O Vapor pressure(torr) 0 74.0 0.15 77.3 0.37 80.2 0.54 81.6 0.69 80.6 0.83 78.2 1.00 71.9 a. Are solutions of water and propanol ideal? Explain. b. Predict the sign of Hsoln for water-propanol solutions. c. Are the interactive forces between propanol and water molecules weaker than, stronger than, or equal to the interactive forces between the pure substances? Explain. d. Which of the solutions in the data would have the lowest normal boiling point?
Rationalize the temperature dependence of the solubility of a gas in water in terms of the kinetic molecular theory.
Pressure has an effect on the solubility of oxygen in water but a negligible effect on the solubility of sugar in water. Why?
A gaseous solute dissolves in water. The solution process has H=15 kJ. Its solubility at 22C and 6.00 atm is 0.0300 M. Would you expect the solubility to be greater or less at (a) 22C and 1 atm? (a) 18C and 6 atm? (a) 15C and 10 atm? (a) 35C and 3 atm?
Reserpine is a natural product isolated from the roots of the shrub Rauwolfia serpenlina. It was first synthesized in 1956 by Nobel Prize winner R. B. Woodward. It is used as a tranquilizer and sedative. When 1.00 g reserpine is dissolved in 25.0 g camphor, the freezing-point depression is 2.63C (Kr for camphor is 40.C kg/mol). Calculate the molality of the solution and the molar mass of reserpine.
What is the usual solubility behavior of an ionic compound in water when the temperature is raised? Give an example of an exception to this behavior.
Explain the trends in solubility (grams per 100 mL of water) of the alkali-metal fluorides and permanganates.
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Silver ion has an average concentration of 28 ppb (parts per billion) in U.S. water supplies. (a) What is the molality of the silver ion? (b) If you wanted 1.0 102 g of silver and could recover it chemically from water supplies, what volume of water in liters would you have to treat? (Assume the density of water is 1.0g/cm3.)
You dissolve 1.0 mol of urea (H2NCONH2) in 270 g of water. The mole fraction of urea is (a) 3710 3 (b) 0.063 (c) 16 (d) 1.0 and its molality is (a) 1.0 (b) 3.7 (c) 0.063 (d) 0.27