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At an altitude of 18km. calculate the standard atmospheric values of pressure, density and temperature.
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- B)Calculate the atmospheric pressure at 3500m in units (Pa)?The basic barometer can be used to measure the height of a building. If the barometric readings at the top and at the bottom of a building are 675 and 695 mmHg, respectively, determine the height of the building. Take the densities of air and mercury to be 1.18 kg/m3 and 13,600 kg/m3, respectively.The rate of change of atmospheric pressure P with respect to altitude h is proportional to P, provided that temperature is constant. At 15°C the pressure is 101.3 kPa at sea level and 87.14 kPa at h = 1000 m. Answer the following questions. a) What is the atmospheric pressure at an altitude of 4000 m? Round to three decimal places. b) What is the atmospheric pressure at the top of Mount Greylock in Massachusetts, at an altitude of 1063 m? Round to three decimal places. CHECK ANSWER kPa NEXT kPa
- A submarine dives down to a depth 80 metres beneath the surface of the ocean. Calculate the pressure in atmospheres at that depth, assuming the density of water is 1029 kg/m3, and the air pressure at the surface is 105.2 kPa. Give your answer with two digits of precision. Note: 1 standard atmosphere is 101325 Pa. Your Answer: AnswerA weatherman carried an aneroid barometer from the ground floor to his office atop the Sears Tower in Chicago. On the ground level, the barometer read 102.09962 kPa absolute; topside it read 28.607 in. Hg absolute. Assume that the average atmospheric air density was 0.075 lb/ft³ and estimate the height of the building. 1455 ft 1889 ft 1250 ft 1355 ftGiven a barometric pressure of 759.2 mmHg, calculate the pressure of gas sample (a) as indicated by the manometer. Pgas = Atmospheric pressure cm Mercury 15 ΑΣΦ ? mmHg
- The volume of an air bubble increases by a factor of 3.19 times as it rises from the bottom of a lake (density = 1000 kg/m 3). This is due to the drop of the absolute pressure by a factor of 1/3.19. Ignoring any temperature changes, What is the depth of the lake? Take g = 9.8 m/s2. One atmospheric pressure = 1.013 x 105 N/m2. Please round your answer to one decimal place. Equation: ??ℎ+??=ρgh+Pa= 3.19 ??Find the altitude in meters where the density is 0.268 Kg/m° in the standard atmosphere.Assume that the composition of the earth’s atmosphere is constant below an altitude of 100 km and according to Barometric equation, the pressure decreases with altitude and the atmosphere has a uniform temperature of 25°C. Calculate the barometric pressure in Pa at Mount Ağrı, for which h = 5137m (g = 9.80 m/s2). Assume that 80% of the air is nitrogen and 20% is oxygen.
- If atmospheric pressure at sea level is 1 × 10 Pa, what is the total mass of the air above a 5-m- area? Hint: find the weight of the air and then use w-mg and assume gravity is constant. O 9x 10? kg O 4 x 10-2 kg O2 x 10 4 kg 3 x 10 kg 5 x 104 kgDetermine at what altitude in meters the air pressure is twice less than on the sea level using the barometic equation that is pressure as a function of height. Given that the temperature is 288.15 K. P=P0e -Mgh/RT, where Po is the pressure at sea level, M is the molar mass of air (in kg/mol), T is standard temperature, R is universal gas constant (8.314 N.m/mol K).Determine the atmospheric pressure at a location where the barometric reading is 740 mmHg and the gravitational acceleration is g = 9.805 m/s2. Assume the temperature of mercury to be 10°C, at which its density is 13,570 kg/m3.