27 avr 2020 · Notes and problems 12 1 Notes and Chem Unit 12 2 Notes Solutions Concentration What are the two products of an acid base reaction?
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[PDF] Solutions to Review Problems for Acid/Base Chemistry - CSUN
x = 1 66 x 10-5 M = [H3O+] Y pH = 4 78 Page 3 Chem 102 D Miller Solutions to Review Problems for Acid/Base Chemistry 4 The resulting 800 mL of solution in
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If the problem involves the mixing of a strong acid or strong base with another base or acid, consider any possible neutralization reaction before deciding what is present Write the equation for the weak acid dissociation and assign initial and equilibrium concentrations to the reactants and products
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The base ionization constant Kb describes which of the following reactions for a weak base, B, in aqueous solution? (Note: often the base will be anionic rather
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27 avr 2020 · Notes and problems 12 1 Notes and Chem Unit 12 2 Notes Solutions Concentration What are the two products of an acid base reaction?
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Chemistry: Matter and Change Study Guide
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Chemistry: Matter and Change Study Guide
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Name _____________________________________________ Date ____________________ Class ___________________
Chemistry: Matter and Change Study Guide
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Chemistry: Matter and Change Study Guide
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Name _____________________________________________ Date ____________________ Class ___________________
Chemistry: Matter and Change Study Guide
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Name _____________________________________________ Date ____________________ Class ___________________
Chemistry: Matter and Change Study Guide
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Chemistry: Matter and Change Study Guide
4418
Acids and Bases
Section 18.1
Acids and Bases: An Introduction
In your textbook, read about the properties of acids and bases.For each description below, write acid if it tells about a property of an acid or base if it tells about a
property of a base. If the property does not apply to either an acid or a base, write neither. If it applies to both an acid and a base, write both. ____________________ 1. Can turn litmus paper a different color ____________________ 2. Reacts with certain metals ____________________ 3. Contains more hydrogen ions than hydroxide ions ____________________ 4. Feels slippery ____________________ 5. Reacts with carbonates ____________________ 6. Feels rough ____________________ 7. Contains equal numbers of hydrogen and hydroxide ions ____________________ 8. Tastes bitter ____________________ 9. Tastes sour In your textbook, read about the different models of acids and bases. Use the terms below to complete the passage. You may use each term more than once.Arrhenius Brønsted-Lowry conjugate acid
conjugate base hydrogen hydroxide The (10) ________________ model of acids and bases states that an acid contains the element(11) ___________________ and forms ions of this element when it is dissolved in water. A base contains
the (12) _____________________ group and dissociates to produce (13) __________________________ ions in aqueous solution. According to the (14) ___________________ model, an acid donates (15) __________________ ions,and a base accepts (16) ______________________ ions. According to this model, in an acid-base reaction,
each acid has a (17) ______________________, and each base has a (18) _______________________.Name _____________________________________________ Date ____________________ Class ___________________
Chemistry: Matter and Change Study Guide
4513 18
Section
18.2Strengths of Acids and Bases
In your textbook, read about strengths of acids.
Circle the letter of the choice that best completes the statement or answers the question.1. Acid A and acid B are of equal concentration and are tested with a conductivity
apparatus. When the electrodes are placed in acid A, the bulb glows dimly. When they are placed in acid B, the bulb glows more brightly. Which of the following is true? a. Acid A is stronger than acid B. b. Acid B is stronger than acid A. c. Acid A and acid B are of equal strength. d. No comparison of strength can be made from the results.2. A chemical equation for the ionization of an acid uses a single arrow to the right (
) to separate the reactant and product sides of the equation. Which of the following is true? a. The arrow does not indicate relative strength. c. The ionizing acid is strong. b. The ionizing acid is half ionized. d. The ionizing acid is weak.3. Sulfuric acid is a strong acid. What is true about its conjugate base?
a. Its conjugate base is amphoteric. b. Its conjugate base is strong. c. Its conjugate base is weak. d. No conclusion can be made regarding the strength of the conjugate base.4. In solution, a weak acid produces
a. a mixture of molecules and ions. c. all molecules. b. all ions. d. anions, but no hydronium ions.5. Why are K
a values all small numbers? a. The concentration of water does not affect the ionization. b. The equilibrium is not stable. c. The solutions contain a high concentration of ions. d. The solutions contain a high concentration of un-ionized acid molecules.6. Which of the following dissociates entirely into metal ions and hydroxide ions in solution?
a. a strong acid b. a strong base c. a weak acid d. a weak base7. In general, compounds formed from active metals, and hydroxide ions are
a. strong acids. b. strong bases. c. weak acids. d. weak bases.Name _____________________________________________ Date ____________________ Class ___________________
Chemistry: Matter and Change Study Guide
4613 18
Section
18.3Hydrogen Ions and pH
In your textbook, read about the ion product constant for water.Answer the following questions.
1. Write the simplest form of the chemical equation for the self-ionization of water.
2. Write the equilibrium constant expression, K
eq , for this equation.3. Write the expression for the equilibrium constant for water, K
w4. Why can the concentration of water be ignored in the equilibrium expression for water?
5. What is the numerical value of K
w at 298 K?6. In solution, if the hydroxide ion concentration increases, what happens to the hydrogen ion
concentration?7. If the concentration of hydroxide ions in solution is 1.0
10 6 , what is the hydrogen ion concentration?8. Is the solution in question 7 acidic, basic, or neutral? Explain.
In your textbook, read about pH and pOH.
In the space at the left, write true if the statement is true; if the statement is false, change the italicized word or number to make it true. ____________________ 9. The pH of a solution is the negative logarithm of its hydroxide ion concentration. ____________________ 10. Values for pH range from 0 to 14. ____________________ 11. Stomach contents can have a pH of 2, which means that they are basic. ____________________ 12. The hydrogen ion concentration in a solution with a pH of 3 is two times greater than the hydrogen ion concentration in a solution with a pH of 5.Name _____________________________________________ Date ____________________ Class ___________________
Chemistry: Matter and Change Study Guide
4713 18 ___________________ 13. The pH of a neutral solution at room temperature equals the pOH of the solution. ___________________ 14. If the pH of a solution is 3, its pOH is 10. ___________________ 15. The pH of a solution with a [H ] of 1´10 8 is 8. ___________________ 16. The pH of a solution with a [OH ] of 1´10 6 is 6. In your textbook, read about calculating the pH of acids and bases. Solve each of the following problems. Show your work.