The surface tension of water at 20°C is 72.7 mN m and its density is 0.998 g cm³. Assuming a contact angle 8 of zero, calculate the rise of water at 20°C in a capillary tube of radius 0.01 mm. 1.49 m b) 0.905 m c) 1.23 m d) 2.05 m
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- A) The contact angle for water on clean glass is close to zero. Calculate the surface tension of water at 20 C given that at that temperature water climbs to a height of 4.96 cm in a clean glass capillary tube of internal radius 0.300 mm. The density of water at 20 C is 0.9956 g cm-3. B) What change (if any) you will expect for surface tension in A if the contact angle will be between 10 º and 20 º?How high will sap rise in a plant if the capillaries are 0.01 mm in diameter and the density of the fluid is 1.3 g cm-3 and its surface tension is 65 mN m-1, assuming that surface tension accounts for the rise? The answer is [2.04m]The surface tension between n-Hexane and water is of 52.2 erg/cm2 (erg/cm2 = dina/cm). Their densities are 0.6599 and 0.9982 g/cm3, respectively. Assuming the contact angle is zero, calculate the capillary rise of the aqueous phase if the capillary tube dimeter is 0.35 mm.
- At 537°R, how high will water rise in a glass capillary tube (in cm) with a cross sectional area of 2.1124×10-6 ft². For water the surface tension is 71.99 mN/m (milli-Newton/meter) and the density is 1000 g/L. With the contact angle to be 0°. A. 8.5 cm B. 2.5 cm C. 12 cm D. 15 cm E. 25 cm F. 13.25 cm G. 14.75 cmDefine cohesion and adhesion, and how they can predict capillary action.What are the factors affecting capillary height ? Describe what is happens
- A liquid rises to a height of 1.50 cm in a capillary tube. What is the radius of the tube if the density and surface tension of the liquid are 1.80×10³ kg/m³ and 0.135 N/m respectively?Discuss the importance of bulk vs. surface properties of biomaterials. Briefly describe the importance of “biomaterials surface” considering the series of events following implantation of it.The contact angle for water on glass is close to zero. Calculate the surface tension of water at 25 °C given that at that temperature, water climbs to a height of 5.89 cm in a clean glass capillary tube of internal diameter 0.500 mm. The mass density of water at 25 °C is 9970 g cm−3.
- The contact angle for water on clean glass is close to zero. Calculate the surface tension of water at 20 °C given that at that temperature water climbs to a height of 4.96 cm in a clean glass capillary tube of internal radius 0.300 mm. The mass density of water at 20 °C is 998.2 kg m−3.29- The property of liquids that explains the formation of water droplets on a polished surface is called:Unique option. A) Surface tension B) Capillarity C) Viscosity D) Osmosis E) FluencyDoes the conductivity increase or decrease?