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- When the temperature is 20 ° C, water flows through an ostwald viscometer at 363 s, whose density and viscosity are given as 0.9982 g / cm3 and 1,000 cP, respectively. The flow time of OF2 from the same viscometer at -145.8 ° C was measured as 68 s. Since the density of OF2 at this temperature is 1.523 g / cm3, what is the value of its viscosity?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 1. What is the fluidity of water? 2. What is the Viscosity of syrup? 3. From the computed Viscosity of syrup, what will be its kinematic Viscosity? Show complete solution.Mercury is leaching into a lake at a rate of 32 g per year. You measure the concentration of the mercury and found that the lake has 128 kg of mercury in it. What is the residence time of mercury in the lake? You had to make an assumption, what was it?
- Using given viscosity values, determine the identity of a liquid which would have a diffusion controlled rate constant kd = 7.51 x 106 m3/s mol at 298K Values: Benzene: 0.601 Ethanol: 1.06 Mercury: 1.55 Methanol: 0.553 Pentane: 0.224 Sulfuric acid: 27 Tetrachloromethane: 0.880 Water: 0.891Blood is flowing through an artery of radius 2 mm at a rate of 40 cm/s. Determine the flow rate and the volume that passes through the artery in a period of 30 s.When 10 mL of water at 20oC is placed in an Ostwald viscometer, it takes 136.5 s for the liquid levelto drop from the first mark to the second. For 10 mL of hexane at 20oC in the same viscometer, thecorresponding time is 67.3 s. Find the viscosity of hexane at 20oC and 1 atm.(ηH2O=1.002 cP, dH2O= 0.998 g/cm3, dC6H14=0.659 g/cm3)
- Calculate the average collision diameter in cm of methane with the viscosity of 1.09x10-4 poise at 20 °C and 1 atm pressure.A capillary viscometer was used to measure the viscosity of a fluid at room temperature. At a pressure drop per unit length of 0.28 mmHg cm−1, i.e., ΔP/L, the measured flow rate of the fluid through the capillary viscometer was found to be 0.0125 cm3 s−1. When the value of ΔP/L was increased to 0.79 mmHg cm−1, the flow rate of the fluid was found to be .047 cm3 s−1. Under these conditions, is the fluid Newtonian or non-Newtonian? Be sure to justify your answer.An Ostwald viscometer was used to determine the time of flow of syrup at 20 °C. Data for Water:Time of flow: 0.23 secondsDensity at 20 °C: 0.998 g/cm³Viscosity: 0.0101 poiseData for Syrup:Time of flow: 1.42 secondsDensity at 20 °C: 1.153 g/cm³ 1. What is the fluidity of water? 2. From the computed viscosity of syrup, what will be its kinematic viscosity? 3. From the computed viscosity of syrup, what will be its fluidity? 4. What is the viscosity of syrup? 5. What is the kinematic viscosity of water?
- The time for water to flow through an Ostwald pipet at 20°C was 298.8 seconds. The density of water at 20°C is 0.9982 and the density of a sample of olive oil is 0.910 g/cm3. The viscosity of water at 20°C is 1.002 cp and the viscosity of the olive oil is 84 cp. How long will it take for the olive oil to flow through the same pipet at 20°C?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!Determine the number of Frenkel and Schottky defects per cubic centimeter of a metal chloride at 40 deg Celcius. The energy for defect formation is 3.2 eV, and the density of the metal chloride is 7.80 g/mL at 40 deg Celcius.