Unit 6: Ocean Acidification
Text Resources
Openstax: Chemistry - Atoms First:
- Chapter 11 sections 1-5 - solutions
- Chapter 6 section 3 - molarity
- Chapter 13 section 1-4 - equilibrium
- Chapter 14 here acid-base
Sequence:
Part 1: Equilibrium:
Part 2: Acid-Base
Big idea: acids and bases are simply the movement of a proton.
Part 1 chemistry objectives:
Part 2 chemistry objectives
Vocabulary
Part 1
Part 2
Text Resources
Openstax: Chemistry - Atoms First:
- Chapter 11 sections 1-5 - solutions
- Chapter 6 section 3 - molarity
- Chapter 13 section 1-4 - equilibrium
- Chapter 14 here acid-base
Sequence:
Part 1: Equilibrium:
- Molarity practice
- Reaction rates - groupwork
- Collision Theory - slides, simulation
- Molarity - dilution - practice
- Molarity determination with Spectroscopy (Beers Law) - lab
- Ocean acidification pre-quiz (here)
- Seashell demo
- Equilibrium introduction (slides)
- Equilibrium (groupwork)
- Equilibrium calcs - intro
- Equilibrium practice (1here, 2here, 3here, 4here)
- ICE table - video here
- ICE practice - here
- LeChatlier - video here
- Le Chatlier Principle (slides, practice, practice)
- Equilibrium Lab - here
- Electrolytes (slides)
- Practice test equilibrium with answers (here)
Part 2: Acid-Base
Big idea: acids and bases are simply the movement of a proton.
- Acid-Base introduction (Slides)
- Equilibrium of acid dissociation - strong vs weak acid (PhET acid-base)
- Bronsted-Lowry Acid Bases (Pogil, practice 1, practice 2)
- Auto-ionization of water / pH calculations / Return of the ICE (Practice, Practice)
- Titration of a strong and weak acid (Lab)
- Neutralization through titration (Lab)
- Titration of weak acid and excess conjugate base (Lab)
- Practice Test (here)
Part 1 chemistry objectives:
- 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
Part 2 chemistry objectives
- Be able to describe Arrehnius acid-bases
- Be able to describe Bronsted-Lowry acid-base
- Be able to identify conjugate acid-base pairs
- Be able to write and explain the autoionization of water
- Be able to calculate pH given concentration of a strong acid or base
- Be able to calculate concentration given pH
- Be able to use Ka of a weak acid to determine pH
- Be able to explain titration
- Be able to calculate neutralization reactions from a titration
Vocabulary
Part 1
Part 2
- Hydronium ion
- Conjugate acid
- Conjugate base
- Conjugate acid-base pair
- Amphoteric
- Auto-ionization (self-ionization)
- Neutral solution
- Ion-product constant for water
- Acidic solution
- Basic solution
- pH
- strong acid
- weak acid
- acid dissociation constant
- strong base
- weak base
- base dissociation constant
- neutralization reaction
- titration
- standard solution
- equivalence point
- end point