Homogeneous

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This is a report about homogeneous substances.

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Homogeneous

  1. 1. Homogeneous Group 2
  2. 2. Definition: The prefix “homo” – indicate sameness Homogeneous – A homogeneous mixture has the same uniform appearance throughout. Many homogeneous mixtures are commonly referred to as solutions.
  3. 3. Mixtures • Two or more pure substances (elements or compounds) • Each retains its individual properties • Most stuff around you is a mixture, ex: air, most metals, etc
  4. 4. Parts of a Solution • solute – the part of a solution that is being dissolved (usually the lesser amount) • solvent – the part of a solution that dissolves the solute (usually the greater amount) • solute + solvent = solution
  5. 5. Identification Chart YES Uniform properties? If not, it’s a heterogeneous mixture YES Fixed composition? If not, it’s a homogeneous mixture Can be broken down chemically? If not, it’s an element If so it’s a compound
  6. 6. Homogeneous Mixtures • Does mix evenly or uniformly • Always contains a single phase (ie: salt water) • Known as a solution • May be solids, liquids or gases • Solid-solid solutions of metals are called ALLOYS
  7. 7. What is it? Cheerios
  8. 8. Homogeneous
  9. 9. What is it? Trail Mix
  10. 10. Heterogeneous
  11. 11. What is it? Kool - Aid
  12. 12. Homogeneous
  13. 13. What is it? Water
  14. 14. Homogeneous
  15. 15. What is it? White Vinegar
  16. 16. Homogeneous
  17. 17. What is it? Italian Salad Dressing
  18. 18. Heterogeneous
  19. 19. Try these……….. Raisin Bran
  20. 20. Orange Juice
  21. 21. Air
  22. 22. Chunky Soup
  23. 23. Hamburger
  24. 24. Cake Batter
  25. 25. Paint
  26. 26. Salad
  27. 27. Mineral Rock
  28. 28. Answers: • • • • • • • • • Raisin Bran – heterogeneous Orange Juice – homogeneous Air – heterogeneous Chunky Soup – heterogeneous Hamburger – heterogeneous Cake Batter – homogeneous Paint – homogeneous Salad – heterogeneous Mineral Rock - heterogeneous

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