Solutions and Equilibrium

Text Resources
       Openstax: Chemistry - Atoms First:
​             - Chapter 11 sections 1-5  - solutions
             - Chapter 6 section 3 - molarity
             - Chapter 13 section 1-4 - equilibrium

Sequence
Part 1:

• Properties of water reminder / introduction (slides)
• Making solutions (slides)
• Group Activity on Saturated Solutions (here)
• Solubility (slides, practice, lab) - video description here
• Colligative properties (simulation) - video description here
• Practice questions / review here

​
Part 2

• Molarity group activity here
• Text notes - Openstax: Chemistry atoms first: Chapter 6 section 3 
• Molarity (slides, practice 1, practice 2, lab) - video description here
• Reaction rates / collision theory (simulation, slides)
• Spectrophotometry (slides, Lab)
• Equilibrium (slides, groupwork, Lab)
• Electrolytes (slides)
• Practice test with answers (here)

Objectives:
Part 1

• Be able to identify a solution vs a suspension
• Be able to describe the Tyndall effect
• Be able to describe the three steps to solvation
• Be able to describe solubility and saturation
• Be able to describe how temperature effects solubility
• Be able to describe colligative properties
• Be able to describe osmosis, freezing point depression, boiling point elevation

Part 2

• Be able to describe the Tyndall effect
• Be able to describe and calculate molarity
• Be able to calculate molarity in dilutions
• Be able to describe reactions in terms of collisions
• Be able to describe the energy profile of a reaction
• Be able to describe reversible reactions and equilibrium
• Be able to describe equilibrium at a molecular level
• Be able to describe spectroscopy
• Be able to explain Beers law
• Be able to calculate equilibrium constants
• Be able to write equilibrium expressions
• Be able to interpret equilibrium expressions
• Be able to use LeChatlier’s principle to predict how a reaction will respond
• Be able to calculate the solubility product of a reaction

Solutions and Equilibrium
    Reaction Puzzle 1:   Solutions with suspenders (here)
    Reaction Puzzle 2:    Solubility and temperature (here)
    Reaction Puzzle 3:    Liquid mole (practice)
    Lab Challenge: Solutions
    Lecture 1 - Collision model of reactions 
    Lab skills: spectrophotometer    
    Reaction Puzzle 4: Specs, Beer's Law and reaction rates
    Reaction Puzzle 5: Equilibrium 
    Lecture 2 - Equilibrium - Practice: problems
   Reaction Puzzle 6: Equilibrium perturbed
    Lab Practical: 

   Simulations:
      PhET: salts and solubility
      Virtual Lab: Tyndall effect

Alt 1: ChemQuest-Molarity
         Pogil - Molarity
Alt 2: Solubility Curve
Alt 3: Solution Stoichiometry

Alternate Powerpoint:
     Chapter 15:
     Chapter 16: 
     Chapter 18:

Key Objectives: Unit 8

Chemistry - Wilbraham et al (Pearson 2012)
Chapters:
    15: 1,2,3
    16:1,2,3,4
    18: 1,2,3,4
Good Problems to Master:
    15: 29,36,41,56,61
    16: 49,51,53,56,57,58,60,61,62,64,65,68,75,86,94,96,99
    18: 55,57,62,63,64,65,66,67,68,69,70,72,73,74,75,76,77,79,80,82,83,86,87,88,90,93