Properties of Water
Ions in Aqueous Solutions and Colligative Properties
- Describe the structure of a water molecule
- Explain how the physical properties of water are determined by the structure of water
- Describe the difference between and IMF and a bond.
- Describe dipole-dipole forces, hydrogen bonding, and London dispersion forces found within two molecules
- Identify dipole-dipole forces, hydrogen bonding, and London dispersion forces found within two molecules
- Predict the relative strength of IMFs
- How do IMFs affect certain physical properties such as boiling point and melting point.
- Distinguish solutions from suspensions and colloids
- Identify and explain physical and chemical factors that affect solubility
- Define concentration terms of molarity, molality, percent by volume.
- Perform calculations using molarity (M) and molality (m)
Ions in Aqueous Solutions and Colligative Properties
- Describe the dissociation of ionic compounds and the ionization of some molecular compounds when they dissolve in water
- Define electrolyte
- Distinguish between strong and weak electrolytes
- Write a net ionic equation using the solubility rules
- Perform calculations with different solution concentrations such as molarity, and molality.
- Discuss effects of temperature, pressure, and structure on solubility.
- Use a solubility chart to determine if a solution is unsaturated, saturated, or supersaturated.
Acids/Bases and their reactions
- explain and identify the essential qualities of acids and bases
- recognize characteristics of Arrhenius and Bronsted-Lowry definitions and differentiate between them based on these characteristics
- predict the products of acid-base reactions that form water.
- state the meaning of and explain pH
- use the hydrogen ion concentration to calculate pH of a solution.
- use the ionization constant of water and the hydroxide ion concentration of a solution to determine the hydrogen ion concentration of the solution.
- use the ionization constant of water and the hydrogen ion concentration of a solution to determine the hydroxide ion concentration of the solution.
- use pH to calculate the hydrogen ion concentration of a solution.
- recognize that degree of dissociation of a compound is independent of its concentration in solution.
- classify acids as strong or weak based on degree of dissociation
- classify bases as strong or weak based on degree of dissociation
- perform titrations to predict the unknown concentration of a solution
- choose an appropriate indicator for a titration
- Based on a titration curve predict the type of acid used (SA/SB, WA/SB, SA/WB, or WA/WB)
- Identify the equivalance point and the end point on a titration curve
Solutions and Acid/Bases Handout
Day 0 3/31
Please watch the following flip over intermolecular forces.
Day 1 4/3
Properties of Water and Intermolecular Forces (IMFs): Today in class we will explore the properties of water that make it an excellent solvent and will look into what types of forces (IMFs) hold molecules together (pp 3-8)
Don't Flip Your Lid
Answers to Don't Flip your Lid
Lesson 7.1 Packet Answers
Intermolecular Forces (IMF) PPT
Day 2 4/5
Introduction to Solutions and Solubility: Today you will discover factors that affect solubility, such as amount, surface area, polarity, and temperature during the sugar dissolving race. We will also discuss the properties of solutions and what makes up a solution. (pp 9-11).
Sugar Dissolving Race
Types of Solutions: The amount of solute per given amount of solvent will determine whether a solution is unsaturated, saturated, or super saturated. You will learn how to read a solubility curve and determine experimentally the degree of saturation in a solution (pp 11-14).
Lesson 7.2 Packet Answers
Day 3 4/10
Solubility Rules: Today we will explore whether or not a substance is soluble in water and develop the solubility Rules.
Writing Net Ionic Equations: Having just developed the solubility rules we will learn to write a Net Ionic Eqn and determine what is actively occurring in the reaction and what substances are spectator ions (pp 12-14).
Lesson 7.3 Packet Answers
Please watch the following Bozeman Science video over Net Ionic Equations. Start at minute 4:30.
Day 4 4/12
Quiz over lessons 7.1-7.3
The Colors of Chemistry: Using the solubility rules and net ionic equations, you will perform a series of reactions and based on observations determine if a reaction took place and if so write a net ionic for that reactions.
Eight Solution Problem Set
For tonight please watch the following video over redox reactions and oxidation states.
Day 5 4/17
Oxidation and Reduction: Substances that have a change in oxidation state undergo REDOX. Today we will determine oxidation states and identify the type of reaction that can be classified redox.
Lesson 7.5 Packet Answers
Day 6 4/19
How Saturated is that Solution? Today we will discuss saturated, unsaturated, and super saturated solutions. We will discuss how to prepare all three different types, how to read a solubility curve and test in class how to identify the three.
Day 7 4/21
Molarity and Dilutions: There are many different ways to define the concentration of a solutions. Today we will define molarity and learn how to calculate the molarity of solution. As well as discussing the proper technique to prepare a solution and what happens to a solution when it is diluted (pp 14-17).
Lesson 7.6 Packet Answers
Day 8 4/24
Day 9 4/26
Day 10 5/1
Quiz 7.2 Lessons 7.5-7.9
Today we will put colligative properties to the test and make ice cream.
Please watch the following video over acids and bases for Friday 5/5.
Day 11 5/5
Introduction to Acids & Bases: Today we will look at the properties of acids & bases and what determines if a substance is an acid or a base. We will also define whether an acid or base is strong/weak based on the degree of dissociation (pp 18-22).
Calculating pH: Today we will define pH and calculate pH and pOH of strong acids and bases (pp 22-25).
Lesson 7.8 Packet Review
Day 12 5/8
Lesson 7.9 Packet Answers
Please watch the following video over calculating pH of weak acids and bases.
Day 15 5/17
Titration of Strong Acid and Strong Base: Today you will determine the molarity of unknown NaOH using 0.10 M HCl