The same volume of potato will be used, only the geometry of the potato will be modified. Materials: ? 450 ml Hydrogen Peroxide ? Water ? 2 Erlenmeyer flasks ? 1 Stopper w/hole ? Surgical tube (18 inches) ? 150mL measuring beaker ? Potato (Have each potato skinned and cut into 4'x4' cubes) ? Stop watch Student Instructions for experimental setup: ? Organize into groups of 4 or 5 students ? Obtain a full set of materials from your instructor ? Take time to familiarize yourself with each piece of equipment ? Place the delivery tube into the hole in the stopper ? Carefully pour 150mL of hydrogen peroxide from the bottle into your measuring beaker, and add it to one of the Erlenmeyer flasks...
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Make sure to wash all glassware. Sample Results 1cm Cubes Time Bubbles Volume(L) Moles O2 Moles H2O2 1 11 0.0058 0.0002 0.0002 2 15 0.0079 0.0003 0.0003 3 15 0.0079 0.0003 0.0003 4 15 0.0079 0.0003 0.0003 5 14 0.0073 0.0003 0.0003 TOTAL 70 0.0367 0.0015 0.0015 2cm Cubes Time Bubbles Volume(L) Moles O2 Moles H2O2 1 7 0...
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