Unit 6

16.1+2 Acid and bases and bronsted-lowry acids and bases 

• Objectives: video or text 

  • describe the Arrhenius definition of acids/bases

  • describe acids and bases and their reactions in terms of proton-transfers

  • identify acids/bases and their conjugate bases/acids

  • describe what it means to be a strong/weak acid/base as well as the corresponding strengths of their conjugate base/acid

• practice problems

  • video solutions

 16.3+4 autoionization of water +pH Scale 

• Objectives: (Video or text and text)

  • use Kw for the autoionization of water to determine the concentration of H+ or OH- in solution

  • convert between pH/pOH and H+ and OH- concentration

  • describe ways of measuring pH

  • given concentration or pH, estimate the other

• practice problems

  • video solutions

16.5 strong acids and bases 

• Objectives: (video or text)

  • Explain what makes a ‘strong’ acid/base ‘strong.

  • Identify the common strong acids and bases

  • determine the pH of solutions based on the strong acid/base concentration

• practice problems

  • video solutions

16.6 weak acids 

• Objectives:(video or text)

  • explain what makes a ‘weak’ acid weak

  • Use Ka’s to compare strengths of acids

  • Use Ka to calculate pH and concentration and vice versa for monoprotic and polyprotic acids (optional: video 1, video 2)

  • calculate the % ionization from pH

• practice problems

  • video solutions

16.7 weak bases 

• Objectives: (Video or text)

  • explain what makes a ‘weak’ base weak

  • use Kb to determine pH and concentration and vice versa (optional: video 1, video 2)

• practice problems

  • video solutions

16.8 relationship between Ka and Kb 

• Objectives: (video or text)

  • convert between Ka and Kb (optional: video)

• practice problems

  • video solutions

16.9 acid-base properties of salt solutions 

• Objectives: (video) or text

  • predict a salt's effect on pH based on the cation and anions present (optional: video)

• practice problems

  • video solutions

 16.10 acid-base behavior and chemical structure 

• Objectives: (video or text)

  • predict/compare the strength of various acids/bases based on their chemical structures

• practice problems

  • video solutions

 16.11 Lewis acids and bases 

• Objectives: (video or text)

  • Classify compounds as lewis acids/bases based on how they react. (optional: video)

  • predict whether ‘X’ or ‘Y’ would be a stronger lewis acid/base based on its chemistry

• practice problems

  • video solutions

Chapter 16 Resources

• Practice Problem Generator

17.1 the common ion effect 

• Objectives: (video or text)

  • Explain the influence of common ions on solution equilibriums.(think Le Chatelier's principle)

  • Determine the pH of a solution containing an ionic compound with the conjugate of a weak acid or base with that acid/base

• practice problems

  • video solutions

 17.2 buffered solutions 

• Objectives: (video or text)

  • Explain what a buffered solution is and how they resist changes in pH (optional: Video)

  • Explain the concept of buffer capacity (optional:video)

  • Use the Henderson-Hasselbalch equation to determine the properties of a buffered solution (pH, concentration of acid/base, Ka, response to addition of acids or bases) (optional:video 1, video2)

• practice problems

  • video solutions

• Acid/Base/pH lab

  • Red Cabbage Indicator Scale 0-14

• Virtual Buffers Lab

17.3 acid-base titration 

• Objectives: (Video or text)

  • Experimentally determine a solution's concentration by titration

  • explain how the equivalence point and titration curves vary when titrating a weak acid/base and polyprotic acids

  • Calculate pH for a mixture of an acid and a base

• practice problems

  • video solutions

• Titration lab

  • Titration of Vinegar Lab Video

  • Virtual Titration Lab

17.4 solubility equilibria 

• Objectives: (video or text)

  • Use the Ksp expression to determine ion concentration and molar solubility and vice versa

• practice problems

  • video solutions

17.5 factors that affect solubility 

• Objectives: (video or text)

  • calculate molar solubilities of a salt in a solution containing a common ion

  • Analyze the effect of pH on the solubility of various compounds

  • Analyze how the formation of complex ions affects the solubility of various compounds

• practice problems

  • video solutions

17.6 precipitation and separations of ions 

• Objectives: (video or text)

  • Use Ksp to determine if/when a precipitate will form when different solutions are combined

17.7 qualitative analysis for metallic elements

• Objectives:

  • Apply the differences in solubilities to create a systematic means of qualitatively analyzing mixtures

Chapter 17 Resources

• Chapter 17 Practice Problem Generator