you have the following data for the surface tesnion of water at different temper

Question

you have the following data for the surface tesnion of water at different temperature:

a.) Assuming a linear relationship, find the equation that describes surface tension as a function of temperature

b.) Water is drawn into a glass capillary tube with a diameter of 1.80 mm. The contact angle between water and glass inside the tube is 0o. Assume that water has a density of 1000 kg/m3. You want the water to move up to a height of 1.67 cm. What water temperature should you use?

temperature (celsius) surface tension (N/m) 0 0.0756 5 0.0749 10 0.0742 20 0.0728 30 0.0712 40 0.0696 50 0.0679 60 0.0662

Explanation / Answer

you have the following data for the surface tesnion of water at different temper

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