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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 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
Topic 1 – 10 Points QUESTION: • Acids give food a _______ taste? ANSWER: • Sour
Topic 1 – 20 Points QUESTION: • Acids react with metals to produce ______ _______? ANSWER: • Hydrogen gas
Topic 1 – 30 Points QUESTION: • Acids turn litmus paper what color? ANSWER: • Red
Topic 1 – 40 Points QUESTION: • What is the range of acidic pH? ANSWER: • 0-6
Topic 1 – 50 Points QUESTION: • Name these two acids: • HBr • H2SO4 ANSWER: • Hydrobromic acid • Sulfuic acid
Topic 2 – 10 Points QUESTION: • Bases turn litmus paper what color? ANSWER: • Blue
Topic 2 – 20 Points QUESTION: • Bases often release what ion in solution? ANSWER: • Hydroxide (OH-)
Topic 2 – 30 Points QUESTION: • What is the basic pH range? ANSWER: • 8-14
Topic 2 – 40 Points QUESTION: • In general, bases will react with an acid to produce ________ and ________? ANSWER: • Salt and water Daily Double
Topic 2 – 50 Points QUESTION: • Name three common household bases? ANSWER: • Ammonia, bleach, dish soap, laundry detergent, baking soda, antacids
Topic 3 – 10 Points QUESTION: • Name the three Acid/Base theories? ANSWER: • Arrhenius, Bronsted/Lowry, Lewis
Topic 3 – 20 Points QUESTION: • Which theory has the broadest definition? ANSWER: • Lewis
Topic 3 – 30 Points QUESTION: • How would you define a Bronsted/Lowry base? ANSWER: • Hydrogen acceptor
Topic 3 – 40 Points QUESTION: • How do you define a Lewis acid? ANSWER: • An electron pair acceptor
Topic 3 – 50 Points QUESTION: • Define amphoteric. ANSWER: • A compound that can be both a B/L acid and a B/L base.
Topic 4 – 10 Points QUESTION: • What is the pH of pure water? ANSWER: • 7
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
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
Topic 4 – 40 Points QUESTION: • What is the pOH of a solution with a hydroxide concentration of 0.000001 M? ANSWER: • pOH 6
Topic 4 – 50 Points QUESTION: • What is the equation for finding pH? ANSWER: • pH = -log(H+)
Topic 5 – 10 Points QUESTION: • NaOH + HCl NaCl + H2O • This is an example of a ___________ reaction. ANSWER: • Neutralization
Topic 5 – 20 Points QUESTION: • A _________ is a chemical that changes color to distinguish an acid from a base? ANSWER: • Indicator
Topic 5 – 30 Points QUESTION: • Why are titrations useful? ANSWER: • Help identify unknown concentration of acid or base
Topic 5 – 40 Points QUESTION: • Phenolphthalein turns _______ in acids and _______ in bases. ANSWER: • clear, pink
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
Final Jeopardy Question: You are given titration data: Answer: 0.31 M