Environmental Engineering If we approximate the atmosphere to be 79% nitrogen (N2) (by volume), and 21% oxygen (O2), estimate the density of air in kg/m3 at standard temperature and pressure (0oC, 1 atm).
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Environmental Engineering
If we approximate the atmosphere to be 79% nitrogen (N2) (by volume), and 21% oxygen (O2), estimate the density of air in kg/m3 at standard temperature and pressure (0oC, 1 atm).
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- Civil engineering: Energy Please solve the problem clearly , don't use previously solved solutions. I am asking this for a second time. Hope you understand Question: The atmosphere is stable with a lapse rate of -0.2 degree C/100 m. The surfaces air temperature is 15 degree C. A parcel of air is released at the ground with a temperature of 25 degree C. Calculate the maximum mixing height, in m.Civil P- Determine the density of liquid methanol in pounds per cubic foot (lb/ft3) using the information below, and translate the SI values for heat capacity, thermal conductivity, and viscosity into English units.Specific gravity ¼ 0.92 (at 608F)Density of reference substance (water) ¼ 62.4 lb/ft3 (at 608F)Heat capacity ¼ 0.61 cal/g.8C) (at 608F)Thermal conductivity ¼ 0.0512 cal/m . s . 8C)Viscosity ¼ 0.64 cP (at 608F)a) Calculate the partial pressure of oxygen in the air at 100 kPa if nitrogen has a partial pressure of 82 kPa and carbon dioxide and water combined have a partial pressure of 0.77 kPa. b) A container of compressed helium has in it 15.0 L pressurized to about 2250 kPa at 24.5°C. How many moles of helium are in the container? c) i) Determine the volume of oxygen gas required to completely combust 5.5 mol of propane (C3H8) in a barbecue at 101.3 kPa and 28.0°C. ii) What mass of helium would be required to fill a balloon to 6.8 L at 100 kPa and 25°C?
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