Students observe the phenomenon of chemical clock reactions. They then model these reactions on a particulate level and calculate reaction rates as the reciprocal of elapsed time for each trial. The effects of concentration, temperature, and catalysts on reaction rates are observed in separate demonstrations. Time Requirement Total, 45 minutes. Teacher prep, 15 minutes. Demonstration and discussion, 30 minutes. Digital Resources Includes 1-year access to digital resources that support 3-dimensional instruction for NGSS. Digital resources may include a teacher manual and student guide,...

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Ambient

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Safety Statement

For Educational & Research Use Only (RUO). Not for diagnostic purposes.

Regulatory & Compliance

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CLASS

Chemical Kinetics and Equilibirum

*USAGE / SAFETY STATEMENT

For Educational & Research Use Only (RUO). Not for diagnostic purposes.

KIT COMPONENTS

1 0.001 M Copper Sulfate, 15 mL 1 0.01 M Sodium Thiosulfate, 250 mL 1 0.05 M Potassium Iodide, 250 mL 2 Starch Solution, 1%, 120 mL 1 0.1 M Hydrochloric Acid, 120 mL 1 Hydrogen Peroxide, 3%, 473 mL 1 Carolina Science Online® Resources (1-year subscription) 1 Teachers Manual with Reproducible Student Sheet,7 Graduated Cylinders, 10 mL 1 Standard Test Tube 1 Test Tube Rack 1 Erlenmeyer Flask, 150 mL or 250 mL 1 Safety Goggles 1 Wash Bottle of Distilled Water 1 Water Bath (600-mL beaker) 1 Wire Gauze 1 Ring Stand with Ring 1 Buret Clamp 2 Laboratory Thermometers 1 Stopwatch 1 Laboratory Marker Pen 1 Waste Beaker 1 Bunsen Burner or Hot Plate Hot Tapwater