100 10450 120 Chemistry I (HON) 519 130 Unit 4 Reactions in Aqueous Solution 140 150 11-12 160 170 180 210 211 212 213 214 215 216 220 221 222 223 224 225 226 230 231 232 233 234 235 236 240 241 242 243 244 245 246 250 251 252 253 254 255 256 300 1. How do the properties of solutions differ from those of pure substances? 300 2. What are some effective methods of expressing concentration of solutions? 300 3. Why are net ionic equations the best way of indicating a reaction? 300 4. How can titration data be used to determine unknown concentrations and molar masses ? 300 5. What determines whether an acid or base is strong or weak? 300 6. How do weak acids and bases differ from strong acids and bases? 300 7. How do the processes of oxidation and reduction occur and what are they responsibles for in the world around us? 300 8. How can oxidation, reduction reactions be balanced so that the number of electrons lost equals the number gained? 400 solute concentrations and molarity calculations 400 electrolytes 400 precipitation equations 400 solubility guidelines 400 net ionic equations 400 solution stoichiometry 400 naming acids 400 identifying strong and weak acids and bases 400 titrations 400 redox chemistry and terminology 400 balancing redox equations 500 Students will develop the ability to: 500 1. Calculate molarity of a solution given mass of solute and volume. 500 2. Solve any problem involving molarity including dilution problems 500 3. Classify various substances as strong, weak or nonelectrolytes 500 4. Write and balance dissociation equations for all electrolytes 500 5. Determine the solubility of ionic compounds using solubility guideline 500 6. Use solubility guideline to determine the reactants needed to produce a specific product in an precipitation reaction 500 7. Write net ionic equations to describe reactions 500 8. Apply stoichiometry to solution reactions 500 9. Correctly and safely complete titrations in the lab 500 10. Analyze titration data to determine the unknown concentration of a solution or the molar mass of an unknown 500 11. Correctly name acids 500 12. Categorize an acid or base as strong or weak and write balanced equations describing the behavior of weak acids and bases in water 500 13. Use redox terminology correctly and be able to identify oxidizing and reducing agents 500 14. Assign oxidations numbers to every atom in a redox reaction 500 15. Balance redox reactions using half reactions under neutral, acidic, and basic conditions 600 Demo: electrical conductivity apparatus with weak, strong and nonelectrolytes 600 Demo: making a molar solution 600 Calculations involving molarity problems 600 Peer tutoring--molarity problems 600 Use of dissociations equations to determine molarity of ions in solutions 600 Practice writing exchange reactions and net ionic equations 600 Practice identifying the precipitate in exchange reactions using solubility guidelines 600 Coop groups--peer edit prelab assignment for % hypochlorite in a bleach 600 Lab activity to determine the percent hypochlorite in a commercial bleach through a titration (equivalent to UCONN lab #5) 600 Practice naming and categorizing acids and bases 600 Demo: Litmus paper, and pH paper with discussion of acid, base properties 600 Practice writing equations to describe reactins of weak acids with strong bases and weak bases with strong acids 600 Coop groups--peer edit Advanced study assignment for UCONN lab #6 (the molar mass of an unknown acid) done the previous night for homework 600 Perform a titration with a unknown acid safely in the lab and use the data obtained in this titration to determine the molar mass of an unknown solid acid UCONN lab #6 600 Identify reducing and oxidizing agents 600 Practice assigning oxidation numbers 600 Perform balancing redox reactions using half reactions under neutral, acidic, and basic conditions 600 Coop. groups--peer edit advanced study assignment for molar mass of an unknown acid lab 600 Lab activity involving the standardization of a sodium hydroxide solution and the determination of the molar mass of an unknown weak acid through a titration 600 600 700 Advanced study assignment for labs 700 Ability to analyze and interpret data 700 Lab reports including class averages and standard deviation, % error and an error analysis 700 Problem quizzes involving end of chapter problems 700 Tests--problems, essays, short answer and a few multiple choice questions (lab calculations will be covered on the tests) 820 Chemistry the Central Science by Brown, et al 820 Laboratory Experiments for Advanced Placement Chemistry by Vonderbrink available from Flinn Scientific