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pulene was used as the py» nsity of the toluene at that acement measurements are

pulene was used as the py» nsity of the toluene at that acement measurements are

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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3. Determine the porosity of a sweet Vidali onion, which is composed of 93.8% water, 1.04% protein, 0.45% fat, 4.48% carbohydrate, and 0.46% ash. The apparent density of the onion was measured by the liquid displacement method. Toulene was used as the pycnometer liquid. All the measurements were carried out at 20°C and the density of the toluene at that temperature is known to be 865 kg/m³. The date obtained from liquid displacement measurements are: Weight of the empty pycnometer: Weight of the pycnometer filled with toluene: Weight of the pycnometer containing only onion: Weight of the pycnometer containing the onion and toluene: 75.87 g 126.58 g 85.87 g 127.38 g
Transcribed Image Text:3. Determine the porosity of a sweet Vidali onion, which is composed of 93.8% water, 1.04% protein, 0.45% fat, 4.48% carbohydrate, and 0.46% ash. The apparent density of the onion was measured by the liquid displacement method. Toulene was used as the pycnometer liquid. All the measurements were carried out at 20°C and the density of the toluene at that temperature is known to be 865 kg/m³. The date obtained from liquid displacement measurements are: Weight of the empty pycnometer: Weight of the pycnometer filled with toluene: Weight of the pycnometer containing only onion: Weight of the pycnometer containing the onion and toluene: 75.87 g 126.58 g 85.87 g 127.38 g
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