The typical radius of the of a xylem vessel of a plant is 0.02 cm. How high is the water rise in such a vessel at 293 K? The density of the water is 1000 kg m-3, gamma (surface tension) equals 0.07275 N m-1 and contact angle equals 0
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The typical radius of the of a xylem vessel of a plant is 0.02 cm. How high is the water rise in such a vessel at 293 K? The density of the water is 1000 kg m-3, gamma (surface tension) equals 0.07275 N m-1 and contact angle equals 0.
How high is the water rise in such a vessel at 293 K.
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- A glass container encloses a low pressure of 02 gas at 298 K. The molecular weight of 02 is 32.0 g/mol. (A) Calculate the mean squared velocity, v², of these molecules in units of m²/s². (B) Find the root mean squared speed along the x-axis, Vx. (C) Would Vx be lower, higher, or the same under the same conditions if the gas were He instead of 02? Please explain your answer in 15 words or less.question 4d(a) How many atoms of helium gas fill a spherical balloon of diameter 30.6 cm at 23.0°C and 1.00 atm? |x What is the relationship between pressure, volume and temperature for an ideal gas? atoms (b) What is the average kinetic energy of the helium atoms? 0.0000000000 (c) What is the rms speed of the helium atoms? You do not need to use your result from part (b) to find the answer to this part. km/s
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