Chapter 17 Flashcards
A solution that will dissolve no more solute
Saturated solution
A solution that will dissolve more solute
Unsaturated solution
A solution with more solute dissolved than is stable. Eventually precipitate out to the saturated solution
Supersaturated solution
When the dynamic rate of dissolution and crystallization are equal
Solubility equilibrium
What are the gas solubility trends?
Gas solubility drops with increasing temperature. Added energy force gases back into the vapor phase
Light will light in salts (free mobile ions) dissolved in solution
Electrical conductivity in solutions
Ability to conduct an electric current
Conductivity
Fully splits into many ions; good conductor, strong acids, soluble salts
Strong electrolyte
Partially splits into some ions; moderate conductor, weak acids, low soluble salts
Weak electrolyte
Doesn’t conduct a current (few/no ions), covalent molecules, insoluble materials
Nonelectrolyte
Results from a hydrogen ion attaching to water
Hydronium ion
The freezing point of a solution is always lower than the freezing point of the pure solvent, in proportion not the molality of particles
Freezing point depression
The boiling point of a solution is always lower than the boiling point of the pure solvent, in proportion to the molality of particles
Boiling point elevation
The vapor pressure of a non volatile solute is always lower than that of the pure solvent
Vapor pressure (3 principles of water conduction)
Concentrates at the interface between polar and non-polar compounds
Surfactant
Synthetic molecule with one end polar, the other end non-polar
Detergent
A natural product that is surfactant
Soap
Colloidal suspension of particles in a liquid in which they would not normally be soluble
Emulsion