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Active Dry Yeast Lab Report

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The hypothesis for this experiment was if there was a higher amount of yeast added to the hydrogen peroxide and water that there would be a greater reaction causing the pressure to build faster because of the higher amount of enzymes (yeast). The hypothesis created was proven true in the tests of active yeast for 1 ml of active dry yeast ended up having a kPa of 131.8 at 93 seconds and with 2 ml of dry yeast the kPa reached 108 at 63 seconds. At 2 ml even though it had a lower pressure reading the rubber stopper popped of sooner meaning the pressure rose much faster than in the trial with 1 ml of active yeast. In the fast rise yeast which did not act as well as the active yeast the data from those trials did not support our hypothesis due to

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