At 150°F dry air has a density of 0.0652 lb/cu ft. At 70°F it has a density of0.075 lb/sq ft. What is the difference in density between air at 70°F and air at150°F?

Q: The basic barometer can be used to measure the height of a building. If the barometric readings at…

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Q: Air is kept at a pressure of 200 kPa absolute and a temperature of 30°C in a 500-liter container.…

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Q: Determine the mass and the weight of the air contained in a room whose dimensions are 3 m × 5 m × 7…

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Q: The volume of the passenger compartment of an aircraft is 2100 m'. A piece of automatic equipment…

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Q: (a) A 3-kg plastic tank that has a volume of 0.2 m³ is filled with liquid water. Assuming the…

A: Given that the volume of the plastic tank=0.2m3, That is filled with water, water has…

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Q: Determine the specific mass in kg/m3 of oil, if the specific volume of the oil is 11.378 x 10-4…

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Q: Determine the density, specific gravity, and mass of air in a room whose dimensions are: 13.12 ft X…

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Q: A reciprocating cylinder contains water at a density of 0.01019 kg / liter at a pressure of 0.8 mpa.…

A: Given   Density = 0.01019 kg / liter                = 10.19 kg/m3 pressure = 0.8 MPa Find     The…

Q: Show that 1 kgf/cm2 = 14.223 psi.

A: Given Data: The given pressure is p = 1 kgf/cm2. STEP 1: 1 kgf can be expressed as, 1 cm2 can be…

Q: 1 atm = 2116 lb/ft2 = 1.01 × 105 N/m2. Consider air at a pressure of 0.2 atm. Calculate the values…

A: Given data Air pressure p = 0.2atm To determine the compressibility of the air for isothermal…

Q: A tank contains 5,810 lbs of water at room temperature. How many hours would it take to empty the…

A: Calculate the mass flow rate of pump per hour. m = (1gallons/min)(1 lb/0.1198 gallons)(60 min/1hr)…

Q: Determine the density, specific gravity, and mass of the air in a room whose dimensions are 4 m × 5…

A: Volume, V= 4 m × 5 m × 6 m= 120 m3 Pressure, P= 100 kPa Temperature, T= 25°C= 25 + 273 K= 298 K…

Q: If warm air rises, why is the temperature at the top of the mountains lower than down below

A: Warm air rise because after increasing the temperature, air expands which results in decrease in…

Q: What is the difference between pound-mass and pound-force?

A: The main difference between pound-mass and the pound-force is that one is the unit of mass, and…

Q: What is the difference between absolute pressure and vacuum pressure?

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Q: 1.) What is the mass density (in kg/m^3) of a certain gas at a temperature 275 K and a pressure…

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Q: One pound of air with an initial temperature of 200F is allowed to expand without flow between…

A: mass, m=1 lb or 0.453 kgT1=200o F or 366.48 KP1=90 Psi or 620528 PaP2=15 Psi or 103421 Pan=1 ,…

Q: Calculate the mass of air at a temperature of 25 ° C and a pressure of 0.1 MPa in a room measuring…

A: Temperature T=25 C Pressure P=0.1MPa Room Dimensions 7m x 5m x 3m. To find mass of air

Q: Which quantity is having SI units kg.m2/s?

A: Angular momentum(pseudo) vector about any point is the cross product of particle's position…

Q: What is H1 in kJ/kg?

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Q: Air is contained in a rigid container has a pressure of 0.5 bar vacuum. If the atmospheric pressure…

A: Gauge pressure = 0.5 bar Height = 740 mm Hg Density = 13.59 g/cm3

Q: What is h2 in kJ/kg

A: To find  h2 in kJ/kg

Q: what is the difference between isostatic and hyperstatic systems?

A: Let us discuss about isostatic and hyperstatic systems.

Q: What is the specific volume of air at 15 psia and 90°F in ft³/lb.?

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Q: 19. Calculate the density of a gas at 188psia and 82°F when its specific volume is 2ft³/lb at…

A: Given Datat State 1: 14.7 psia, 2 ft3/lb, 32°F State 2: 188 psia, 82°F

Q: A.What is the increase in temperature of 2 m³ of air at 30°C after 15000 calories of heat have added…

A: Only one question is allowed to solve.

Q: if 10 ft of atmospheric air at 300 F temperature are compressed until the volume decreases to 1 t'…

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Q: In the Lacthosa company, eight tanks full of whipped cream are produced from three and a half tanks…

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Q: If 15.7 m³ of atmospheric air at 149 degrees centigrade temperature are compressed to a volume of…

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Q: Determine the fuel (in kg) consumed during a 30 minute flight. Assume that changes in air mass flow

A: for solution refer below images.

Q: A cylindrical underground storage tank with the diameter of 18.0 ft and a height of 25.0 ft is…

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Q: A 15-ft3 air tank is pressurized to 750 psia. When the temperature reaches 10°F, calculate the…

A: Given, P = 750 psia =51.034473 atm T = 10 F = 260.928 K M = 28.96 g/mol R = 0.0821 L·atm/mol K

Q: 3.) What is the mass density (in lb/ft^3) of a liquid 2600 cm depth if the pressure is 2.2 MPa.

A: Given data: ◆ The depth of liquid level: h= 2600 cm = 26 m ◆ The pressure at this location: P = 2.2…

Q: B- Determine the mass and the weight of the air contained in a room whose dimensions are 600 cm x…

A: Given:Dimension of room=600cm,600cm,800cmHence,Volume of…

Q: Determine the mass of air at a pressure of 215kPa and a temperature of 31°C in a 132-gallon…

A: Given: P = 215 kPa T = 31°C  V = 132-gallons

Q: 3-kg plastic tank has a volume capacity of 0.2 m^3 and is filled with water. What is the mass of air…

A: At STP density of air = 1.225 Kg/m3 mass of 0.2 m3 of air = 1.225 * 0.2 =0.245  kg   Specific…

Q: How does an intensive property differ from an extensive property.which of the following properties…

A: How does an intensive property differ from an extensive property.which of the following properties…

Q: A / An empty cold room has a volume of 27 m³, If the pressure inside is 1.2 bar and the temperature…

A: The pressure inside in the room is 1.30415 bar.

Q: volume occupied by 8,968 kg of air at a gage pressure of 723 kPa and a temperature of 686 C .…

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Q: 7. Calculate the temperature, density, and specific volume of 50 kg of water vapor confined in a…

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Q: A vacuum gage connected to a tank reads 30 kPa at a location where the barometric readings is…

A: For solution refer below images.

Q: A ship at sea is floating such that 81% of the ship’s volume is under the water’s surface. If the…

A: Given data: Ship floats in water  = 81% of volume of ship Fraction = 81% = 0.81 Density of water,…

Q: Determine the density, specific gravity, and mass of the air in a room whose dimensions are 4 m × 5…

A: First, we have to calculate the volume of air.                                            Now we…

Q: 19. Calculate the density of a gas at 188psia and 82°F when its specific volume is 2ft3 /lb at…

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Q: If the °F scale thrice the °C scale, what are the value of °F and °C? Determine the mass of the air…

A: Hello there, thanks for the questions, We are authorized to answer three subparts at a time, since…

Q: A rigid tank contains 15kg of water at 75 degrees celcius. if 3kg the water is in the vapor form and…

A: (a) The pressure in the tank is 38.597 kPa. (b) The volume of the tank is 12.4 m3.

Thermodynamic Relations

Thermodynamics is the division of physics that deals with the transfer of any kind of energy, whether it be heat, temperature, or work, from one object to another.