the ideal gas constant r for ammonia in kj/kgK is closer to: a) 0.2081 b) 0.2870...
the ideal gas constant r for ammonia in kj/kgK is closer to:
a) 0.2081
b) 0.2870
c) 0.1430
d) 0.06964
e) 0.4882
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the ideal gas constant r for ammonia in kj/kgK is closer
to:
a) 0.2081
b) 0.2870...
An ideal gas has a gas constant R = 0.3 kJ / kg K and the...
An ideal gas has a gas constant R = 0.3 kJ / kg K and the specific heat at constant volume is Cv = 0.7 kJ / Kg K. If the gas has a temperature change of 100 ° C. Choose the correct answer by making the corresponding calculations or justifications for each of the following cases: The change in enthalpy in KJ / kg a) 30 b) 70 c) 100 d) Insufficient information The work done is in kJ...
the ideal gas internal energy of air in kj/kg at 430 K is closer to a)...
the ideal gas internal energy of air in kj/kg at 430 K is closer to a) 430.1 b) 235.61 c) 221.25 d) 307.99 d) 399.2
Derive the air mass fraction relation as follows: (2pt) -R is gas constant, for steam R-0.4615 kJ/kg.Κ. for air R-0.287...
Derive the air mass fraction relation as follows: (2pt) -R is gas constant, for steam R-0.4615 kJ/kg.Κ. for air R-0.2870 kJ/kg. K 1m Define w+7 air steam Derive Known: Phamber , Ichcamber an steam air Assume that i) PohamberPrePotr steam ii) steam is saturated condition. Psteam P(Tsteam, sat chamber steam
Derive the air mass fraction relation as follows: (2pt) -R is gas constant, for steam R-0.4615 kJ/kg.Κ. for air R-0.2870 kJ/kg. K 1m Define w+7 air steam Derive Known: Phamber...
Derive the air mass fraction relation as follows: (2pt) -R is gas constant, for steam R-0.4615 kJ/kg.Κ. for air R-0.287...
Derive the air mass fraction relation as follows: (2pt) -R is gas constant, for steam R-0.4615 kJ/kg.Κ. for air R-0.2870 kJ/kg. K 1m Define w+7 air steam Derive Known: Phamber , Ichcamber an steam air Assume that i) PohamberPrePotr steam ii) steam is saturated condition. Psteam P(Tsteam, sat chamber steam
Derive the air mass fraction relation as follows: (2pt) -R is gas constant, for steam R-0.4615 kJ/kg.Κ. for air R-0.2870 kJ/kg. K 1m Define w+7 air steam Derive Known: Phamber...
ASAP PROBLEM 2 (29pt): Air, which behaves as an ideal gas with constant specific heats (taken...
ASAP
PROBLEM 2 (29pt): Air, which behaves as an ideal gas with constant specific heats (taken as Cz»-1.005品.cv-0.718 ) undergoes a constant pressure process from 27°C and 2m to 227°C at 1MPa. kgk (a) What is the mass of the air? (b) What is the heat transfer of the air in [kJ]? Find (a)m Given (fill in missing information) State 1: State 2: Air Assumptions (fill in missing information) Air behaves as an ideal gas Cp1.005.Cy0.718 kJ kgK kJ Solution
For air as a calorically perfect gas, Cp = 1004.5 J/(kgK), R = 287 J/(kgK) and...
For air as a calorically perfect gas, Cp = 1004.5 J/(kgK), R = 287 J/(kgK) and y = 1.4. 2. For isentropic flow of a calorically perfect gas, begin with the equations, (p/p') = constant and {p/(PT)} = constant, and provide steps to obtain p, T equation. Then obtain the equation (p2/pı) = (T2/T2) V(-1).
Assume ideal gas, air gamma = 1.4, R = 287 J/kgK. ~ Use normal shock tables!...
Assume ideal gas, air gamma = 1.4, R = 287 J/kgK.
~ Use normal shock tables! ~
A pitot-static probe designed for subsonic flow shows the velocity calculated from the ratio of stagnation pressure to static pressure and a fixed stagnation temperature of 350 K. Determine the indicated velocity and the actual velocity when the pitot- static probe is erroneously used in supersonic flow, with a stagnation pressure to static pressure ratio of 1.5.
4) An ideal-gas mixture of helium and nitrogen with a nitrogen mass fraction of 35 percent...
4) An ideal-gas mixture of helium and nitrogen with a nitrogen mass fraction of 35 percent is contained in a piston-cylinder device arranged to maintain a fixed pressure of 700 kPa. The mixture is heated from 300 K to 500 K a. Determine the molar mass and gas constant for the mixture. b. Determine the work produced, in kJ/kg. (Hint: Try finding the specific c. Determine the constant-volume and constant-pressure specific heats (Answer: 5.72 kg/kmol, 1.45 kJ/kg K) volumes at...
An ideal gas undergoes two processes. In the first one, the volume remains constant at 0.20...
An ideal gas undergoes two processes. In the first one, the volume remains constant at 0.20 m3 and the pressure increases from 9.0x104 Pa to 7.0x105 Pa. In the second one, the gas is compressed from 0.20 m3 to 0.12 m3 at a constant pressure of 7.0x105 Pa. Calculate the total work done on the gas. a. - 48.0 kJ b. - 56.0 kJ c. - 64.0 kJ d. - 72.0 kJ e. None of the above
thermodynamics please help asap An ideal gas with constant heat capacity (C 1 kJ/kg K, R-0.3...
thermodynamics please help asap
An ideal gas with constant heat capacity (C 1 kJ/kg K, R-0.3 kJ/kg K) is to be adiabatically compressed, heated, then expanded in the steady flow system shown below. The compressor and turbine are adiabatic and reversible and kinetic and potential energy effects are negligible. (a) Find the power (kW) required by the compressor. (b) Find the power (kW) delivered by the turbine. Q800 kJ/s P8 barsheat exchanger turbine compressor P- 1 bar Tjs280K P?s 1...
Derive the air mass fraction relation as follows: (2pt) -R is gas constant, for steam R-0.4615 kJ/kg.Κ. for air R-0.2870 kJ/kg. K 1m Define w+7 air steam Derive Known: Phamber , Ichcamber an steam air Assume that i) PohamberPrePotr steam ii) steam is saturated condition. Psteam P(Tsteam, sat chamber steam
Derive the air mass fraction relation as follows: (2pt) -R is gas constant, for steam R-0.4615 kJ/kg.Κ. for air R-0.2870 kJ/kg. K 1m Define w+7 air steam Derive Known: Phamber...
Derive the air mass fraction relation as follows: (2pt) -R is gas constant, for steam R-0.4615 kJ/kg.Κ. for air R-0.2870 kJ/kg. K 1m Define w+7 air steam Derive Known: Phamber , Ichcamber an steam air Assume that i) PohamberPrePotr steam ii) steam is saturated condition. Psteam P(Tsteam, sat chamber steam
Derive the air mass fraction relation as follows: (2pt) -R is gas constant, for steam R-0.4615 kJ/kg.Κ. for air R-0.2870 kJ/kg. K 1m Define w+7 air steam Derive Known: Phamber...
ASAP
PROBLEM 2 (29pt): Air, which behaves as an ideal gas with constant specific heats (taken as Cz»-1.005品.cv-0.718 ) undergoes a constant pressure process from 27°C and 2m to 227°C at 1MPa. kgk (a) What is the mass of the air? (b) What is the heat transfer of the air in [kJ]? Find (a)m Given (fill in missing information) State 1: State 2: Air Assumptions (fill in missing information) Air behaves as an ideal gas Cp1.005.Cy0.718 kJ kgK kJ Solution
For air as a calorically perfect gas, Cp = 1004.5 J/(kgK), R = 287 J/(kgK) and y = 1.4. 2. For isentropic flow of a calorically perfect gas, begin with the equations, (p/p') = constant and {p/(PT)} = constant, and provide steps to obtain p, T equation. Then obtain the equation (p2/pı) = (T2/T2) V(-1).
Assume ideal gas, air gamma = 1.4, R = 287 J/kgK.
~ Use normal shock tables! ~
A pitot-static probe designed for subsonic flow shows the velocity calculated from the ratio of stagnation pressure to static pressure and a fixed stagnation temperature of 350 K. Determine the indicated velocity and the actual velocity when the pitot- static probe is erroneously used in supersonic flow, with a stagnation pressure to static pressure ratio of 1.5.
4) An ideal-gas mixture of helium and nitrogen with a nitrogen mass fraction of 35 percent is contained in a piston-cylinder device arranged to maintain a fixed pressure of 700 kPa. The mixture is heated from 300 K to 500 K a. Determine the molar mass and gas constant for the mixture. b. Determine the work produced, in kJ/kg. (Hint: Try finding the specific c. Determine the constant-volume and constant-pressure specific heats (Answer: 5.72 kg/kmol, 1.45 kJ/kg K) volumes at...
thermodynamics please help asap
An ideal gas with constant heat capacity (C 1 kJ/kg K, R-0.3 kJ/kg K) is to be adiabatically compressed, heated, then expanded in the steady flow system shown below. The compressor and turbine are adiabatic and reversible and kinetic and potential energy effects are negligible. (a) Find the power (kW) required by the compressor. (b) Find the power (kW) delivered by the turbine. Q800 kJ/s P8 barsheat exchanger turbine compressor P- 1 bar Tjs280K P?s 1...
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