lab 4 file

An ostwald viscometer was used to determine the time of flow of syrup at 20°C Data of water: Time of flow: 0.23 sec Density at 20°C: 0.998 g/cm3 Viscosity: 0.0101 poise Data of Syrup: Time of flow: 1.42 sec Density at 20°C: 1.153 g/cm3 Question: 1. What is the kinematic Viscosity of water? 2. What is the Viscosity of syrup? 3. From the computed Viscosity of syrup, what will be its fluidity? Show your complete solution!

A steel ball of density 12.45 g/mL and 2 mm diameter requires 30 sec to fall a distance of 1 meter through a liquid of density 0.789 g/mL. Calculate the viscosity of the liquid in Pa-sec.

Station 2: Density column In the graduated cylinder, you have molasses, water (blue), corn oil, and ethanol (red). They have the following densities: Substance Molasses Water Corn Oil Ethanol Density 1.45 g/mL 1.0 g/mL 0.92 g/mL 0.79 g/mL Polarity Polar Polar Nonpolar Polar Viscosity High Low Low Low 1. Explain why the column is arranged in the order it is according to density.

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Phase change properties of pure substances Cu C6H12 C (C6H5CH₂)₂0 (CH3CH₂)20 CH3CH₂OH (CH₂OH)2 NH₂COH Au C C6H14 H₂ copper cyclohexane diamond dibenzyl ether diethyl ether ethanol ethylene glycol formamide gold graphite hexane hydrogen 1084.62 6.7 4440 1.8 -116.22 -114.14 -13.0 2.57 1064.18 4489 -95.27 -259.16 2560 80.7 298 34.4 78.24 197.5 217 2836 3825 68.72 -252.879 0.385 1.841 0.51 2.369 2.438 2.394 2.389 0.129 0.709 2.27 14.304 13.26 2.68 -- 7.19 4.931 9.96 8.44 12.55 117.4 13.08 0.12 29.97 45.6 26.52 38.56 50.5 60.2 324 28.85 0.9 280.3 193.7 242 446 -- 234.4 -240.212 40.2 35.9 61.7 80 29.9 12.69

27)Viscosity inscresses with increasing pressure true or false

9- It flows (10 cm') of olive oil during a capillary tube (2 cm in length and (0.04 mm in diameter) If the height of the olive oil in the capillary tube (2.5 cm), calculate the time of the olive oil flow into the capillary tube, if you know that the viscosity of the oil ( ŋ oil = 0.18 N .sec/m? ) density of oil gm (0.918 Cma)?

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Differentiate between plastic deformation, elastic deformation, viscoelastic deformation and viscoplastic deformation.

Graph the data. label each line the type of crystal

b) Viscosity (top = lowest, bottom= highest) [ Select] [Select] [Select] [Select] [Select] D ㅁ û

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Which organic liquid has: Molecular weight = 79.53g/mol Density = 0.7708 g/ml Viscosity = 1.39 mPa.s index of refraction = 1.420

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Graph the data for the last time point at 75 minutes, and label each lines with the type of crystal