| 8 | Test 1. Lessons 2 to 6. |
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| 9 | Homogeneous and heterogeneous equilibriums. Calculations of the concentrations at equilibrium | Exposition | General question/answer out loud |
| 10 | The factors that affect chemical equilibrium. Le Chatelier’s principle. The response of equilibria to changes in conditions | Experiment: traffic light of solutions | Students answer a poll |
| 11 | Acid-Base Equilibria. Definition of acid and base. Arrhenius acids and bases. Brfnsted-Lowry acids and bases. Lewis acids and bases. The acid-base properties of water. The pH scale | Experiment: “Rainbow solutions” | POE assessment |
| 12 | Strength of acid and bases. Solutions of strong acids and bases. Solutions of weak acids and bases. | Exposition | One-minute paper |
| 13 | Buffer solutions | Exposition | One-minute paper |
| 14 | Seminar 3. Lessons 7, 9 to 12 | Exercises | Students answer he exercises |
| 15 | Salts and hydrolysis | Exposition | Short multiple-choice questions in socrative.com |
| 16 | Test 2. Lessons 7, 9 to 14 |
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| 17 | Acid-base indicators. Strong acid-strong base titrations. Strong acid-weak base and weak acid-strong base titrations | Exposition | Short multiple-choice questions in socrative.com |
| 18 | Solubility Equilibria. Importance. Solubility and molar solubility. The solubility product (KP) | Mental experiment: Solubility equilibria in the eggshells | Directed paraphrasis |
| 19 | The common-ion effect. Predicting precipitation. Selective precipitation | Exposition | Short multiple-choice questions in socrative.com |
| 20 | Seminar 3. Lessons 15, 17 to 19 | Exercises | |
| 21 | Sulphurs precipitation. Factors that affect solubility equilibria | - | - |
| 22 | Equilibrium of complex ion formation. History overview. Chemical structure of the metal complex. Basic nomenclature of the complex ions. Complex ion equilibria | Experiment: Silver complex compound formation | One-minute paper |
| 23 | Seminar 4. Lessons 21 and 22 | Exercises | |
| 24 | Electrochemistry. Definition. Representation of redox reactions. Galvanic cells. Standard potentials | Link for the previous study: http://cienciadesofa.com/2013/07/respuestas-xix-anguilas-electricas.html | Short multiple-choice questions in socrative.com |
| 25 | Test 3. Lessons 15, 17 to 23 |
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| 26 | Cell potential and reaction Gibbs free energy | - | - |