Exploring Redox Reactions & Fractals Ms. Pittman MathScience Innovation Center.

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Presentation transcript:

Exploring Redox Reactions & Fractals Ms. Pittman MathScience Innovation Center

Objectives Define the term “fractal”. Define the term “fractal”. Understand the function of each part of a corrosion cell. Understand the function of each part of a corrosion cell. Interpret an equation for an oxidation-reduction reaction. Interpret an equation for an oxidation-reduction reaction. Understand how the measurement of fractal dimensions can be used to predict and analyze complex patterns in the natural world. Understand how the measurement of fractal dimensions can be used to predict and analyze complex patterns in the natural world.

What is a fractal?

Fractal Dimension

Electrochemical Corrosion

Wet Corrosion

Corrosion Cell 4Fe + 3O 2  2Fe 2 O 3 Fe e - anode oxidation loss of e - Fe +3 + e - cathode gain of e - reduction Fe(OH) 3 XH 2 O

Corrosion Cell 4Fe + 3O 2  2Fe 2 O 3 O 2 + 2H 2 O + 4e -  4OH - anode / oxidation Fe  Fe e - cathode / reduction

Corrosion Cell 4Fe + 3O 2  2Fe 2 O 3 Fe e - anode oxidation loss of e - Fe +3 + e - cathode gain of e - reduction Fe(OH) 3 XH 2 O

Hele-Shaw Cell

Experiment

1. What happened to the water levels in the tubes during this experiment?

2. Did a limiting reactant determine the quantity of rust that formed during this activity?

3. Did the presence of tin appear to affect the rate of this reaction?

4. Oxidation or Reduction? Fe  Fe e- O 2 + 2H 2 O + 4e -  4OH - Oxidation Reduction

5. 4Fe + 3O 2  2Fe 2 O 3 Fe + O 2  Fe 2 O

Fractal Dimensions

Fractal Applications Life Science Earth Science Physical Sciences