Nov 14 – Intro to Chem , The Scientific Method & History of the atom

Outcome: MS1 Examine the role of valence electrons in the formation of chemical bonds Indicators: a. Trace the historical development of the model of the atom from Bohr to the modern quantum understanding, including the contributions of Einstein, Planck, Heisenberg and DeBroglie. c. Examine how evidence and experimentation inform the development and refinement of theories […]

Nov 2- Creating a Potato Battery

Outcome: CH30‐EC1 Investigate the chemistry of oxidation and reduction (redox) reactions. [SI, TPS] Indicators: e. Illustrate and label the parts of electrochemical and electrolytic cells and explain how they work, including half‐reactions, flow of ions and flow of electrons. (K, S) g. Predict the electric potential and spontaneity of various redox reactions using reduction potentials. (K, S) h. Design, construct, and evaluate a prototype of a working battery that meets specific student- identified criteria such as powering a small electric device. (STSE, S) Documents:  Overview: Today we tried to make a potato battery to light up a light bulb. We were unsuccessful in lighting the bulb but we were able to get a voltage reading on a voltmeter of about […]

Nov 1- Cells! (Electochemical, Electrolytic and spontaneity)

  Outcome: CH30‐EC1 Investigate the chemistry of oxidation and reduction (redox) reactions. [SI, TPS] Indicators: e. Illustrate and label the parts of electrochemical and electrolytic cells and explain how they work, including half‐reactions, flow of ions and flow of electrons. (K, S) f. Differentiate between electrochemical and electrolyyic cells in terms of spontaneity, direction of electron flow, energy, charge on electrodes and chemical change. (K, S) g. Predict the electric potential and spontaneity of various redox reactions using reduction potentials. (K, S) Documents: ppt: lesson 4 2017 EC1 REDOX Lesson 4 2017 lesson 4b  Redox practice exam  redox exam cheat sheet Overview: Today we looked at how cells work. We looked at electrochemical (spontaneous) […]

Oct 31- Balancing reactions using 1/2 reaction method

Outcome: CH30‐EC1 Investigate the chemistry of oxidation and reduction (redox) reactions. [SI, TPS] Indicators: b. Define oxidation and reduction and oxidizing and reducing agents in terms of electron transfer. (K) c. Write and balance redox equations using the half reaction and oxidation number method. (K, S) Documents: ppt: lesson 3 2017 EC1 REDOX Lesson 3 2017 Overview: Today we looked at how to balance redox reactions using the half reaction method.  

Oct 30- Balancing 1/2 Reactions in Acid or Base

Outcome: CH30‐EC1 Investigate the chemistry of oxidation and reduction (redox) reactions. [SI, TPS] Indicators: c. Write and balance redox equations using the half reaction and oxidation number method. (K, S) Documents: EC1 REDOX Lesson 3 2017 ppt: lesson 3 2017 Overview: Today we looked at how to balance 1/2 reactions in an acid or base following the steps outlined in […]

Oct 27- Exam & Balancing Redox using Oxidation #’s

Outcome: CH30‐EC1 Investigate the chemistry of oxidation and reduction (redox) reactions. [SI, TPS] Indicators: c. Write and balance redox equations using the half reaction and oxidation number method. (K, S) Documents: ppt: lesson 2 2017 EC1 REDOX Lesson 2 2017 Overview: Today we looked at how to balance redox reactions using the oxidation number method.

Oct 25- REDOX INTRO!

Outcome: CH30‐EC1 Investigate the chemistry of oxidation and reduction (redox) reactions. [SI, TPS] Indicators: a. Compare the characteristics of oxidation‐reduction (redox) reactions with other types of chemical reactions. (STSE, K) b. Define oxidation and reduction and oxidizing and reducing agents in terms of electron transfer. (K) Documents: lesson 1 2017 EC1 REDOX Lesson 1 2017 […]

Oct 25- Titration Lab and Ka Kb ICE Box Calculations & Practice Exam

Outcome: Observe and analyze phenomena related to acid-base reactions and equilibrium. [SI, DM]  Indicators: k. Perform acid‐base titrations and relevant calculations for multiple ratios of [H+]/[H3O+] to [OH‐], including those for reactions that either reach the endpoint/equivalence point or represent over‐titration. (S) g. Solve problems involving pH, pOH, [H+]/[H3O+], [OH‐], Kw, Ka and Kb. (S) […]

Oct 24- In class presentations and Titration calculations

Outcome: Observe and analyze phenomena related to acid-base reactions and equilibrium. [SI, DM]  Indicators: k. Perform acid‐base titrations and relevant calculations for multiple ratios of [H+]/[H3O+] to [OH‐], including those for reactions that either reach the endpoint/equivalence point or represent over‐titration. (S) g. Solve problems involving pH, pOH, [H+]/[H3O+], [OH‐], Kw, Ka and Kb. (S) […]