1. Chemistry II
Chapter 15
Water and Aqueous Systems
Test Review
Be able to define the following terms:
Surface tension Strong electrolyte Foam
Surfactant Weak electrolyte Emulsion
Vapor pressure Hydrate Aerosol
Aqueous solution Efflorescent Sol
Homogeneous Hygroscopic Gel
Solvent Desiccant Tyndall effect
Solute Deliquescent Brownian motion
Solvation Heterogeneous Coagulation
Electrolyte Suspension
Nonelectrolyte Colloid
Know the following things:
Section 15.1
1)Be able to discuss and give examples of the properties of water. Include a discussion
of surface tension and vapor pressure.
2)Briefly describe the structure of ice.
Section 15.2
3)Distinquish between a solute and solvent and tell how the combine to make a solution.
4)Describe what happens during the solution process (solvation).
5)Explain why all ionic compounds are electrolytes and why most nonpolar covalent
compounds are nonelectrolytes.
6)Show how the chemical formula for a hydrated compound is written.
7)Be able to find the percent water in a hydrated compound.
Section 15.3
8)Compare and contrast suspensions, colloids, and solutions. Be able to give examples of
each.
9)Be able to compare and contrast heterogeneous mixtures and homogeneous mixtures.
10)Be able to describe colloids in terms of the dispersed phase and dispersing medium.
Give and example of each type of colloid.
11)Be able to describe/use the Tyndall Effect.