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Chapter 13

Chapter 13. Solution Chemistry. Overview. 13.1 Solution Process 13.2 Saturated Solutions 13.3 Factors Affecting Solubility 13.4 Ways of Expressing Concentration 13.5 Colligative Properties. Question. Why is 24K gold softer and more yellow than 10K or 18K? Red gold Cu/Au White gold Ni/Au

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Chapter 13

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  1. Chapter 13 Solution Chemistry

  2. Overview • 13.1 Solution Process • 13.2 Saturated Solutions • 13.3 Factors Affecting Solubility • 13.4 Ways of Expressing Concentration • 13.5 Colligative Properties

  3. Question • Why is 24K gold softer and more yellow than 10K or 18K? • Red gold Cu/Au • White gold Ni/Au • Why can’t planes be made with Mg metal?

  4. Other solutions • Do fillings ‘leak’? • Solution of Hg, Ag, Zn • Why add He to scuba tanks? • Decrease partial pressure of N2

  5. The Solution Process • Definitions: • Solution • Air • 10 K gold • Pop

  6. The Solution Process • Definitions • Solvent • Solute

  7. The Solution Process • Definitions • Miscible • Suspension

  8. The Solution Process • Definitions • Solvation • Hydration

  9. Gas in gas Gas in liquid Gas in solid Liquid in gas Liquid in liquid Liquid in solid Solid in gas Solid in liquid Solid in solid Nine Solutions

  10. Why does NaCl dissolve in water?

  11. Why does Sugar dissolve in water?

  12. Other forces

  13. Other forces

  14. Quiz 

  15. What forces here?

  16. Solubility I • Saturated solution

  17. Solubility II • Unsaturated

  18. Solubility III • Supersaturated • You need to know the solubility rules!

  19. Spontaneity Solution formation Disorder

  20. Entropy • It’s not what it used to be

  21. Question • What does nature favor? • Order or disorder?

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