A 1kg mixture of water vapor at 20 C, 1atm and 75% humidity is confined in a cylinder by a frictionless piston. The mixture is compressed isothermally until the pressure is 2atm. Determine (a) the final relative humidity and humidity ratio and (b) the mass (kg) of water vapor condensed.
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A 1kg mixture of water vapor at 20 C, 1atm and 75% humidity is confined in a cylinder by a frictionless piston. The mixture is compressed isothermally until the pressure is 2atm. Determine (a) the final relative humidity and humidity ratio and (b) the mass (kg) of water vapor condensed.
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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.(a) The pressure gauge on a tank registers the gauge pressure, which is the difference between the interior pressure and exterior pressure. When the tank is full of oxygen (O₂), it contains 9.00 kg of the gas at a gauge pressure of 37.0 atm. Determine the mass of oxygen that has been withdrawn from the tank when the pressure reading is 21.2 atm. Assume the temperature of the tank remains constant. kg(a) How many molecules are present in a sample of an ideal gas that occupies a volume of 1.90 cm3, is at a temperature of 20°C, and is at atmospheric pressure? molecules (b) How many molecules of the gas are present if the volume and temperature are the same as in part (a), but the pressure is now 1.80 ✕ 10−11 Pa (an extremely good vacuum)? molecules
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