CURRICULUM MAP: 10450.map

Chemistry I (HON) 519
Unit 4 Reactions in Aqueous Solution

TIME FRAME:
GRADE: 11-12
CONTACT:

         MAP LEVEL:


1. How do the properties of solutions differ from those of pure substances?
2. What are some effective methods of expressing concentration of solutions?
3. Why are net ionic equations the best way of indicating a reaction?
4. How can titration data be used to determine unknown concentrations and molar masses ?
5. What determines whether an acid or base is strong or weak?
6. How do weak acids and bases differ from strong acids and bases?
7. How do the processes of oxidation and reduction occur and what are they responsibles for in the world around us?
8. How can oxidation, reduction reactions be balanced so that the number of electrons lost equals the number gained?



solute concentrations and molarity calculations
electrolytes
precipitation equations
solubility guidelines
net ionic equations
solution stoichiometry
naming acids
identifying strong and weak acids and bases
titrations
redox chemistry and terminology
balancing redox equations



Students will develop the ability to:
1. Calculate molarity of a solution given mass of solute and volume.
2. Solve any problem involving molarity including dilution problems
3. Classify various substances as strong, weak or nonelectrolytes
4. Write and balance dissociation equations for all electrolytes
5. Determine the solubility of ionic compounds using solubility guideline
6. Use solubility guideline to determine the reactants needed to produce a specific product in an precipitation reaction
7. Write net ionic equations to describe reactions
8. Apply stoichiometry to solution reactions
9. Correctly and safely complete titrations in the lab
10. Analyze titration data to determine the unknown concentration of a solution or the molar mass of an unknown
11. Correctly name acids
12. Categorize an acid or base as strong or weak and write balanced equations describing the behavior of weak acids and bases in water
13. Use redox terminology correctly and be able to identify oxidizing and reducing agents
14. Assign oxidations numbers to every atom in a redox reaction
15. Balance redox reactions using half reactions under neutral, acidic, and basic conditions



Demo: electrical conductivity apparatus with weak, strong and nonelectrolytes
Demo: making a molar solution
Calculations involving molarity problems
Peer tutoring--molarity problems
Use of dissociations equations to determine molarity of ions in solutions
Practice writing exchange reactions and net ionic equations
Practice identifying the precipitate in exchange reactions using solubility guidelines
Coop groups--peer edit prelab assignment for % hypochlorite in a bleach
Lab activity to determine the percent hypochlorite in a commercial bleach through a titration (equivalent to UCONN lab #5)
Practice naming and categorizing acids and bases
Demo: Litmus paper, and pH paper with discussion of acid, base properties
Practice writing equations to describe reactins of weak acids with strong bases and weak bases with strong acids
Coop groups--peer edit Advanced study assignment for UCONN lab #6 (the molar mass of an unknown acid) done the previous night for homework
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
Identify reducing and oxidizing agents
Practice assigning oxidation numbers
Perform balancing redox reactions using half reactions under neutral, acidic, and basic conditions
Coop. groups--peer edit advanced study assignment for molar mass of an unknown acid lab
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





Advanced study assignment for labs
Ability to analyze and interpret data
Lab reports including class averages and standard deviation, % error and an error analysis
Problem quizzes involving end of chapter problems
Tests--problems, essays, short answer and a few multiple choice questions (lab calculations will be covered on the tests)



Chemistry the Central Science by Brown, et al
Laboratory Experiments for Advanced Placement Chemistry by Vonderbrink available from Flinn Scientific