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Solutions Review

Solutions Review. Solutions. Homogeneous mixture Dissolved particles remain in solution. Solutions. Can be in any phase of matter Examples:. Air in a hot air balloon Gas solution. Brass puzzle Solid solution. Soda Liquid solution. Two parts of a Solution.

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Solutions Review

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  1. Solutions Review

  2. Solutions • Homogeneous mixture • Dissolved particles remain in solution

  3. Solutions • Can be in any phase of matter • Examples:

  4. Air in a hot air balloon Gas solution Brass puzzle Solid solution Soda Liquid solution

  5. Two parts of a Solution • Solute-substance that gets dissolved

  6. Two parts of a Solution • Solvent-substance that does the dissolving

  7. Colligative Properties -Types • Freezing point • The freezing point is lower for the solution, dependant on the concentration and type of solute

  8. With out solute With solute

  9. Colligative Properties -Types • Boiling point • The boiling point is higher for the solution dependant, on the concentration and type of solute

  10. Solubility Rule • Polar solvents dissolves polar solutes • Example: water and alcohol, water and salt

  11. Solubility Rule • Nonpolar solvents dissolves nonpolar solutes • Example: gasoline and oil

  12. 3 Types of Solutions • Unsaturated solution-solution that contains less than the maximum amount of solute that will dissolve.

  13. 3 Types of Solutions • Unsaturated solution- • Additional solute will dissolve

  14. 3 Types of Solutions • Saturated Solution- solution that contain the maximum amount of solute that will dissolve

  15. 3 Types of Solutions • Saturated Solution • Additional solute will not dissolve but settle to the bottom

  16. 3 Types of Solutions • Supersaturated solution- solution that contains more than the maximum amount of solute that will dissolve.

  17. 3 Types of Solutions • Supersaturated solution • Additional solute will cause the dissolved excess solute to crystallize out. • Very rare

  18. Solubility • Measurement of the amount of solute that can be dissolved in a given amount of solvent

  19. Factors that Effect Solubility • 2. Temperature • Increase temp., increases solubility • For as gas, increase temp., decreases the solubility

  20. Factors that Effect Solubility • 3. Pressure • Doesn’t effect solids or liquids • For a gas, increase pressure, increases solubility

  21. Rate of Solution • Measurement in how quickly a solute dissolves in a solvent

  22. Factors that Affect the Rate of Solution • 1. Particle size (crushing) • Smaller the particles the more total surface area is exposed to the solvent to the faster it dissolves

  23. Factors that Affect the Rate of Solution • 2. Stirring • Fresh solvent is brought into contact with the solute quicker so stirring increases the rate

  24. Factors that Affect the Rate of Solution • 3. Amount of solute already dissolved • The more particles dissolved in the solution the slower new solute will be dissolved

  25. Factors that Affect the Rate of Solution • 4. Temperature • For liquids and solids, increase temp., increase the rate • For gases, increase the temp., decrease the rate

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