Calculate the height of capillary rise in a soil pore of 50 µm inner diameter in winter (5°C), spring (20°C), summer (30°C), and the tropics (40°C).
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- By how much does the air pressure in a house increase if the house is sealed and the air temperature increases from 10.0° C to 20.0° C? The initial air pressure is 1.00 atmosphere.The density of gasoline is 7.30 x 102 kg/m3 at 0°C. Its average coefficient of volume expansion is 9.60 x 10-4 (°C)-1, and note that 1.00 gal = 0.00380 m3. (a) Calculate the mass of 11.2 gal of gas at 0°C. (Give your answer to at least two decimal places.) 31.06 X kg (b) If 1.000 m3 of gasoline at 0°C is warmed by 20.2°C, calculate its new volume. (Give your answer to at least two decimal places.) 8605 Your response differs from the correct answer by more than 10%. Double check your calculations. m3 (c) Using the answer to part (b), calculate the density of gasoline at 20.2°C. (Give your answer to at least three significant figures.) 846.34 Your response differs from the correct answer by more than 10%. Double check your calculations. kg/m3 (d) Calculate the mass of 11.2 gal of gas at 20.2°C. (Give your answer to at least two decimal places.) 36.02 Your response differs from the correct answer by more than 10%. Double check your calculations. kg (e) How many extra kilograms of gasoline…A welded steel cylindrical drum made of a 10-mm plate has an internal diameter of 1.20 m & height of 4m. Compute the change in length that would be caused by an internal pressure of 1.5 MPa. Assume that Poisson's ratio is 0.30 and E = 200 GPa. * Y thickness, t = 10 mm 1.20 m
- An ideal gas occupies a volume of 100cm^3 at 20°C and 100 Pa. Find the number of moles of gas in the container. Note that 1J=1Pa•m^3.At the same pressure, the ideal gas law is density x temperature = constant. An old house has only one thermostat upstairs set at 20 deg C. The air density upstairs is 1.2 kg/m3, while downstairs is 3% denser. The air temperature downstairs is °C. Type your answer.A spherical weather balloon is designed to inflate to a maximum diameter of 17.0 m at its working altitude, where the air pressure is 0.380 atm and the temperature is 194.0 K. If the balloon is filled at atmospheric pressure and temperature 293.0 K, what is its radius at lift-off? Treat the gas as an ideal gas. (Units: m)
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- A liquid with a coefficient of volume expansion of β just fills a spherical flask of volume V 0 at temperature Ti (Fig. P10.57). The flask is made of a material that has a coefficient of linear expansion of a. The liquid is free to expand into a capillary of cross- sectional area A at the top. (a) Show that if the temperature increases by ΔT, the liquid rises in the capillary by the amount Δh = (V0 /A)(β − 3α)ΔT. (b) For a typical system, such as a mercury thermometer, why is it a good approximation to neglect the expansion of the flask?An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, the air is compressed to 31.0% of its original volume and the temperature is increased to 48.0°C. (a) What is the tire pressure in pascals?(b) After the car is driven at high speed, the tire's air temperature rises to 85.0°C and the tire's interior volume increases by 3.00%. What is the new tire pressure (absolute) in pascals?One mole of oxygen gas is at Three arterial geometries are shown in the figure, including a healthy blood vessel (i), a constricted blood vessel (ii), and a blood vessel with an aneurysm (a balloon-like bulge; (iii)). The speed of the blood at point ① in all three vessels is 40.0 cm/s.a pressure of 9.00 atm and a temperature of 38.0°C.