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Investigation 15: Oxidation-Reduction Reactions

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Build a Micro Battery

In this lab experience, students carry out an investigation and build an electrolytic cell and a voltaic cell from the materials provided.

Materials Included in Kit
Consumable:
Copper(II) sulfate solution, 1 M, 500 mL
Sodium sulfate solution, 1 M, 375 mL
Copper foil conductive adhesive, 12″ piece
Copper wire, 12 in.
Magnesium ribbon, 12 in.
Zinc strips, package of 15
Filter paper, 100 sheets
LEDs, clear, red, 10
Pencil lead, tube of 12, 2
Sand paper, 1 (shared)
Non-Consumable:
Alligator clip leads, 10
Voltaic cell with porous cup, for demonstration
Additional Materials Required
Beral Pipets, Graduated, Pkg. of 20, 1
Forceps, Polypropylene, 10
Weighing Dishes, Disposable, 1-5/8" x 1-5/8" x 5/16", Pkg. of 500, 1
Ruler, Metric, Clear, 30 cm, 10
Batteries, Transistor Battery (Alkaline), 9 V, 10
Graduated Cylinders, Borosilicate Glass, 10 mL, 10

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Metal Activity

In this lab experience, students carry out a small-scale investigation to determine metal activity in reaction well plates.

Materials Included in Kit
Consumable:
Copper strips, 1.2 × 15 cm, 5
Copper(II) sulfate solution, 0.2 M, 100 mL
Iron strips, 1.2 × 15 cm, 5
Iron(II) sulfate heptahydrate, 8 g
Magnesium nitrate solution, 0.2 M, 100 mL
Magnesium ribbon, 90 cm
Silver nitrate solution, 0.2 M, 100 mL
Zinc foil, 7 cm × 7 cm, 2 squares
Zinc sulfate solution, 0.2 M, 100 mL
Cotton swabs, 75
Pipets, 80
Additional Materials Required
Forceps, Polypropylene, 10
Ruler, Metric, Clear, 30 cm, 10
Reaction Plates, 24 Wells, 10
Sandpaper, Fine, Pkg. of 4 Sheets, 3
Bottles, Washing, Polyethylene, 250-mL, 10

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Explore Redox with Iron Corrosion

In this lab experience, students explore corrosion of an iron nail by using an indicating agar mixture to determine the presence of products in the corrosion process. Students explore charge changes in the corrosion reaction.

Materials Included in Kit
Consumable:
Copper wire, 18 gauge, 6 ft
Agar, 40 g
Iron nails, 60
Phenolphthalein indicator solution, 1%, 50 mL
Potassium ferricyanide solution,
1 M, K3Fe(CN)6, 50 mL
Steel wool, 1 pad
Zinc strips, Zn, 15
Petri dishes, plastic, 30
Additional Materials Required
Beral Pipets, Graduated, Pkg. of 20, 10
Spot Plate, Polystyrene, 15-well, Pkg. of 10, 1
Weighing Dishes, Disposable, 1-5/8" x 1-5/8" x 5/16", Pkg. of 500, 1
Flinn Digital Hotplate/Magnetic Stirrer, 10
Beaker, Borosilicate Glass, 400 mL, 10
Scissors, 10
Spatulas, Disposable, Box of 300, 1
Stirring Rods, Glass, 10

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Battery Challenge

In this lab experience, students carry out an investigation to determine which combinations of metals and their aqueous solutions produce the highest voltage. Students determine the battery that produces the highest voltage.

Materials Included in Kit
Consumable:
Copper foil, 3” × 12” sheet
Iron nails, 12
Lead foil, 3” × 12” sheet
Magnesium, ribbon, 15
Silver foil, 5 g
Zinc strips, 5” × ½”,5
Chromatography sheet, 20 x 10 cm, pk/15
Pipets, beral-type, 60
Copper(II) nitrate, 1.0 M, 100 mL
Iron(III) nitrate, 1.0 M, 100 mL
Lead nitrate solution 1.0 M, 100 mL
Magnesium nitrate solution, 1.0 M, 100 mL
Potassium nitrate solution, 1.0 M, 200 mL
Silver nitrate solution, 1.0 M, 100 mL
Sodium chloride solution, 1.0 M, 150 mL
Zinc nitrate solution, 1.0 M, 100 mL
Non-Consumable:
Alligator clip leads, red, 10
Alligator clip leads, black, 10
Additional Materials Required
Motor, DC, 10
Multimeter, Student, 10
Forceps, 10
Beakers, Borosilicate Glass, 50-mL, 10
Beakers, Borosilicate Glass, 100-mL, 10
Beakers, Borosilicate Glass, 400-mL, 10
Beral Pipets, Graduated, Pkg. of 500, 1
Reaction Plates, 24 Wells, 10
Spatulas, Disposable, Box of 300, 1
Weighing Dishes, Disposable, 1-5/8" x 1-5/8" x 5/16", Pkg. of 500, 1
Scissors, 10
Sandpaper, Fine, Pkg. of 4 Sheets, 3