Unit Objectives for Chemistry

 

Unit VII. Solution Chemistry 

 

    Chapter 15: Water and Aqueous Solutions

        1.       Explain the polar nature of the H2O molecule

        2.       Identify the 3 types the intermolecular attractions & compare the relative strengths

            a. Dipole-Dipole/Ion-Dipole

            b. Dispersion Forces (London Forces)

            c. Hydrogen Bonds

         3.       Define the following properties of H2O & explain their origin

            a. High Surface Tension

            b. Low Vapor Pressure

            c. High Heat Capacity

            d. Decrease in Density of Ice

         4.       Describe an aqueous solutions in terms of solvents/solutes

            a. Define miscible vs. immiscible liquids

         5.       Explain the process of solvation

            a. Contrast solvation (dissociation) vs. ionization

         6.       Define waters of hydration

            a. Differentiate between effloresce and hygroscopic

            b. Describe deliquescent

         7.       Identify the difference between an electrolyte and nonelectrolyte

         8.       Explain the difference between solutions, colloids, & solutions

 

Ch. 16: Properties of Solutions.

         9.       Define Solubility

            a. Differentiate between saturated, unsaturated, & supersaturated solution in terms of solubility curves.

         10.   Explain the effect of temperature on solubility of solids, liquids, & gases

         11.   Explain the effect of pressure on gas solubility (Henryís Law)

         12.   Define Molarity and Molality

         13.   Calculate dilution factors for certain solutions

         14.   Calculate percent composition by volume or mass of a solution

         15.   Define specific colligative properties of solutions

         16.   Calculate vapor changes for solution (Rauoltís Law)

            a. Calculate mole fraction

        17. Calculate boiling point and freezing point changes for solutions