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Universal solvent

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Universal solvent

  1. 1. 1. A difference in what physical property is often used to separate two immiscible liquids? A. B. C. D. Color Density Size Shape 2. Fog and smoke are examples of what type of heterogeneous mixture? A. B. C. D. Emulsion Solution Solvent Colloid 3. What is another term for a homogenous mixture? A. B. C. D. Milk Salad Solution Solvent 4. What is an alloy? A. B. C. D. A solid solution of two or more metals A liquid solution of two or more metals A mixture of hydrocarbons A solution where alcohol is the solvent
  2. 2. Formic acid and water
  3. 3. Review •Solutions •Key terms •Examples
  4. 4. Speeding up the dissolving process Affect of Solute Surface Area 50 40 30 Time (seconds) 20 10 0 Whole Tablet Crumbled Tablet Crushed Tablet
  5. 5. Speeding up the dissolving process • Increasing the surface area of a solute makes it dissolve faster
  6. 6. Universal Solvent • Water will dissolve many things • Its called the “universal solvent” • It will not dissolve everything
  7. 7. Universal Solvent • Water will attract both the (+)’s and the (-)’s of an ionic compound • Attracts the individual atoms
  8. 8. Like Dissolve Like • Polar substances dissolve other polar substances • Nonpolar will dissolve nonpolar • Nonpolar- equally shares electrons
  9. 9. Like Dissolve Like • Vegetable oil- nonpolar • Will not dissolve in water
  10. 10. Like Dissolve Like • Vegetable oil- nonpolar • Will not dissolve in water

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