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Acids and Bases!

Learn about acids and bases, their properties, theories, and how to measure their concentration using titrations. Understand the pH scale and its importance in determining acidity and alkalinity.

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Acids and Bases!

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  1. Acids and Bases!

  2. Acids Bases Theories pH Titrations 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

  3. Topic 1 – 10 Points QUESTION: • Acids give food a _______ taste? ANSWER: • Sour

  4. Topic 1 – 20 Points QUESTION: • Acids react with metals to produce ______ _______? ANSWER: • Hydrogen gas

  5. Topic 1 – 30 Points QUESTION: • Acids turn litmus paper what color? ANSWER: • Red

  6. Topic 1 – 40 Points QUESTION: • What is the range of acidic pH? ANSWER: • 0-6

  7. Topic 1 – 50 Points QUESTION: • Name these two acids: • HBr • H2SO4 ANSWER: • Hydrobromic acid • Sulfuic acid

  8. Topic 2 – 10 Points QUESTION: • Bases turn litmus paper what color? ANSWER: • Blue

  9. Topic 2 – 20 Points QUESTION: • Bases often release what ion in solution? ANSWER: • Hydroxide (OH-)

  10. Topic 2 – 30 Points QUESTION: • What is the basic pH range? ANSWER: • 8-14

  11. Topic 2 – 40 Points QUESTION: • In general, bases will react with an acid to produce ________ and ________? ANSWER: • Salt and water Daily Double

  12. Topic 2 – 50 Points QUESTION: • Name three common household bases? ANSWER: • Ammonia, bleach, dish soap, laundry detergent, baking soda, antacids

  13. Topic 3 – 10 Points QUESTION: • Name the three Acid/Base theories? ANSWER: • Arrhenius, Bronsted/Lowry, Lewis

  14. Topic 3 – 20 Points QUESTION: • Which theory has the broadest definition? ANSWER: • Lewis

  15. Topic 3 – 30 Points QUESTION: • How would you define a Bronsted/Lowry base? ANSWER: • Hydrogen acceptor

  16. Topic 3 – 40 Points QUESTION: • How do you define a Lewis acid? ANSWER: • An electron pair acceptor

  17. Topic 3 – 50 Points QUESTION: • Define amphoteric. ANSWER: • A compound that can be both a B/L acid and a B/L base.

  18. Topic 4 – 10 Points QUESTION: • What is the pH of pure water? ANSWER: • 7

  19. Topic 4 – 20 Points QUESTION: • What is the pH of a solution with a hydronium concentration of 1.0 x 10-5M? ANSWER: • pH 5

  20. Topic 4 – 30 Points QUESTION: • What is the pH of a solution with a hydroxide concentration of 1.0 x 10-2M? ANSWER: • pH 12

  21. Topic 4 – 40 Points QUESTION: • What is the pOH of a solution with a hydroxide concentration of 0.000001 M? ANSWER: • pOH 6

  22. Topic 4 – 50 Points QUESTION: • What is the equation for finding pH? ANSWER: • pH = -log(H+)

  23. Topic 5 – 10 Points QUESTION: • NaOH + HCl  NaCl + H2O • This is an example of a ___________ reaction. ANSWER: • Neutralization

  24. Topic 5 – 20 Points QUESTION: • A _________ is a chemical that changes color to distinguish an acid from a base? ANSWER: • Indicator

  25. Topic 5 – 30 Points QUESTION: • Why are titrations useful? ANSWER: • Help identify unknown concentration of acid or base

  26. Topic 5 – 40 Points QUESTION: • Phenolphthalein turns _______ in acids and _______ in bases. ANSWER: • clear, pink

  27. Topic 5 – 50 Points QUESTION: • If 32.0mL of a solution of NaOH required 16.0mL of 0.100 M HCl for neutralization to the end point, calculate the molarity of the NaOH? ANSWER: • 0.05 M

  28. Final Jeopardy Question: You are given titration data: Answer: 0.31 M

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