What is mass of cubic meter of air at room temperature(20 degree C)?

Q: Why don´t we feel the atmospheric pressure?

A: Why don´t we feel the atmospheric pressure?

Q: If mercury has a diameter of 9000 kilometre, what would be density?

A: mass of mercury = 3.29 * 1023 kg diameter = 9000 km Radius = 4500 km  = 4500000 m Volume = (4/3) π…

Q: What increase in altitude is necessary in the stratosphere to halve the pressure? Assume a constant…

A: The ratio of the pressures (P2/P1) and densities (ρ2/ρ1) for altitudes h2 and h1 in an isothermal…

Q: Consider an airplane flying at a pressure altitude of 11,650m and a density altitude of 11,780m.…

A: Given :-  Pressure altitude = PA = 11,650 m Density altitude = DA = 11780 m To find :-  Outside air…

Q: Show the complete solution to the following problem. At one atmospheric pressure and at a…

A: Given: at 0°C  , vo=33,145 cm/sfor each degree rise in temperatureincrease in speed = 60 cm/swe have…

Q: Choose the best answer to the following: When wind speeds up as it blows over the top of a hill,…

A: Air pressure decreases when a person go up in height.

Q: why does air sink at 30 latitude?

A: The Sun heats the Earth more at the equator than at the poles. The air along the equator gets heated…

Q: Why mercury is used as a thermometric liquid?

A: Thermometric liquids are the liquid which is used in temperature measuring devices.

Q: _________________ is a measure of the moisture in air.   A) Density B) Viscosity C) Impurity…

A: (A) Density is the ratio of the mass of the substance and the volume of the substance. This has…

Q: What, if anything, happens to the volume of gas in an atmospheric research-type balloon when it is…

A: Research Type - balloons are balloons that are used for scientific research. They are filled with a…

Q: Calculate the pressure, density and temperature at 30,500 ft in the Standard Atmosphere.

A: Altitude: h = 30,500 ft Standard temperature at sea level: To=59o F Standard pressure at sea level:…

Q: What is the Earth’s atmosphere composed of?  Why would you die of suffocation if you were to jump…

A:

Q: If the air temperature is 62°F at sea level, what is the temperature at the top of Pike's Peak…

A: Given Temperature at sea level To = 62oF Height of the peak H = 14000 ft

Q: Find the altitude in meters where the pressure is 60,000 Pa in the standard atmosphere.

A:

Q: Given a barometric pressure of 762.4 mmHg, calculate the pres- sure of each gas sample as indicated…

A: In figure (a) the mercury level on the left side is lower than right side. So, the atmospheric…

Q: What is the virtual temperature for an air parcel with a temperature of 20degC and liquid water…

A: The equation for the virtual temperature of the air parcel is given by,

Q: The pressure in a natural gas pipeline is measured by the manometer shown in figure below with one…

A:

Q: igloo or Eskimo hut diameter of 12 ft. If the igloo is constructed of snow blocks having a unifom…

A: Scenario - An Igloo is made up of blocks arranged in an hemispherical shape. Given, Inside…

Q: Chaptar 11, Preblem 09 A Verturt meter is a device for measuring the speed of a win plpe. The…

A: Note: As per guidelines, we can only answer one question. Sorry of inconvenience. Given values:…

Q: Two cubic feet of air at atmospheric pressure is compressed to 0.50 ft3. For isothermal conditions,…

A: For isothermal conditions, the temperature remains the same. Write the ideal gas equation.

Q: By the way, what is atmospheric pressure

A: By the way, what is atmospheric pressure

Q: Find the altitude in meters where the density is 0.268 Kg/m° in the standard atmosphere.

A:

Q: At sea level a mercury barometer reads 750mm of Hg and at the same time on top of a mountain another…

A: Barometer use to find the pressure at any height. If we have two measurement of barometer at…

Q: A college dormitory room measures 14 feet wide by 13 feet  long by 9 feet high. What is the weight…

A: We know thatW=dVHereW=weight of substanced=Density of substanceV=volume

Q: If you have 200 meters of fence material, what is the largest radius of circle it can enclosed?

A: Given : We have 200 m of fence material. We have to find the largest radius of circle, that it can…

Q: What is air?

A: Air is the gases which is around the earth atmoshphere, due to this air we breath,plants grow fire…

Q: Nitrogen makes up 78 of the earth’s atmosphere. It accounts for about 79 kPa of pressure. How much…

A: in this we calculate total pressure  by all gases in atmosphere.

Q: What are the assumptions of an air-standard analysis? Cold air-standard analysis?

A: The air standard assumptions are as follows: 1. The working fluid is air, which continuously…

Q: A petroleum sample has a specific gravity of 0.847 at 20°C. If the coefficient of volume expansion…

A: Given: Initial temperature: T1=20° [C]  Final temperature: T2=70° [C]  Temperature change:…

Q: A weatherman carried an aneroid barometer from the ground floor to his office atop the Sears Tower…

A: Correct Answer: Option (A) i.e. 1455 ft

Q: If volume of a house is 232.198m3 and the density of air is 1.2kg/m3.  What is the mass of air in…

A: Given data: Volume (V) = 232.198 m3 Density of air (ρ) = 1.2 kg/m3 Required: The mass (m) of the air…

Q: In a rising updraft, High and Low pressure is created on the upshear and downshear sides of the…

A: Given : In a rising updraft, High and Low pressure is created on the upshear and downshear sides of…

Q: Calculate the mass of air in a room of floor dimensions 10m×12m and a height of 4m.(density of air…

A: Given: dimensions of room L x W x H = 10m x 12m x 4m density of air d = 1.26 kg /m3

Q: What would you expect the barometric pressure outside of a jet flying at 6.9 km to be?

A: FLUID MECHANICS

Q: a standard altimeter reads 14000 ft when the ambient temperature is 35 deg F. what is the density…

A: At h=14,000 ft the standard temperature is 350F. Therefore the atmosphere is not standard. Since the…

Q: The frictional force exerted by fluids is also called ________. A) drag B) buoyancy C) upthrust D)…

A: When an object is immersed in a fluid there experiences a force exerted by the fluid , which is…

Q: Humidity is a measure of the _______________.   A) pressure in the air B) viscosity of the air…

A: The amount of water vapor in the air is measured by the humidity of air.

Q: If the temperature is 70 degrees F, how many moles of oxygen are contained in a cubic meter at sea…

A:

Q: What is the average barometric pressure at the summit of mount Whitney

A:

Q: The basic barometer can be used as an altitudemeasuring device in airplanes. The ground control…

A: Given information: Here, Pplane and Pground are the pressure reading of the barometer at the plane…

Q: What is the pressure at the bottom of the column of air referred to in the question 1? Question 1…

A: Pressure at sea level is 1 atmosphere . 1 atmosphere = 101.325 kPa = 101.325 kN/m2  As we move up…

Q: Show the calculation supporting the claim that atmospheric pressure near sea level corresponds to…

A: Given,ρ=13.6g/cm3=13600kg/m3

Q: On a day when the air temperature is 80oF, the relative humidity is measured to be 79%. How many…

A: Given data: Initial relative humidity, H1=79% Final relative humidity, H2=100% Initial temperature,…

Q: why does air rise at 60 latitude?

A: Wind circulation is due to the differential heating. Difference in temperature creates high- and…