Homework Answers
Add Answer to:
there are two parts for the question Part a-finding the final
temperature and and the work...
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to...
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Helium gas is compressed from 90 kPa and 30°C to 470 kPa in a reversible, adiabatic process. Determine the final temperature and the work done, assuming the process takes place in a piston-cylinder device. Use the table containing the ideal gas specific heats of various common gases. The final temperature is K. The work done is kJ/kg. Determine the final...
An insulated piston-cylinder device contains 0.1m3 of air (ideal gas) at 400 kPa and 25℃. A...
An insulated piston-cylinder device contains 0.1m3 of air (ideal gas) at 400 kPa and 25℃. A paddle wheel within the cylinder is rotated until 15 kJ of work is done on the air while the pressure is held constant. Assuming the kinetic and potential energies are negligible and the gas constant and specific heat of air are ? = 0.287 kJ kg∙K and ?? = 1.005 kJ kg∙K . Tasks: ( a ) Determine the mass of air inside the...
Nitrogen at 120 kPa and 30°C is compressed to 620 kPa in an adiabatic compressor. Calculate...
Nitrogen at 120 kPa and 30°C is compressed to 620 kPa in an adiabatic compressor. Calculate the minimum work needed for this process in kJ/kg. Use the table containing the ideal gas specific heats of various common gases. The minimum work needed for this process is k J/kg.
9 Required information NOTE: This is a multi-part question. Once an answer is submitted, you will...
9 Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. An insulated rigid tank is divided into two compartments by a partition. One compartment contains 9.5 kg of oxygen gas at 40°C and 100 kPa, and the other compartment contains 4 kg of nitrogen gas at 20°C and 150 kPa. Now the partition is removed, and the two gases are allowed to mix N2 4 kg 20℃...
Nitrogen in a piston cylinder device occupies 0.5 m3 at 100 kPa and 20 °C. It undergoes a compres...
Nitrogen in a piston cylinder device occupies 0.5 m3 at 100 kPa and 20 °C. It undergoes a compression process (during which PV1.30-constant) to a final state where the temperature is 200 °C. The specific heats are assumed to be constant while Tsur - 15 C a) Prove that the gas, at state 1, can be treated as an ideal gas. b) Find the pressure and volume at state 2 c) Find the heat transfer, in kJ. d) Find the...
Propane is compressed from an initial state with a pressure of 100 lbf/in2 and a quality...
Propane is compressed from an initial state with a pressure of 100 lbf/in2 and a quality of 0.40 to a final saturated liquid state with a temperature is 50°F. Is it possible for this process to occur adiabatically? Justify your answer. Air is contained in a rigid, well-insulated container of volume 3 m3. The air undergoes a process from an initial state with a pressure of 200 kPa and temperature of 300 K. During the process, the air receives 720...
constant specife heats An ideal gas wit of cp .1 kJ/(kg K) and c 0.75 kJ/(kg...
constant specife heats An ideal gas wit of cp .1 kJ/(kg K) and c 0.75 kJ/(kg K) is contained in the piston-cylinder device shown. Initially, the vol- ume is 50 cm3 and the temperature is 20°C. How much heat must be added to double the volume if the final pressure and temperature are 400 kPa and 1000 K respectively. g·K) and Cu- Ideal gas Linear spring
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...
A frictionless piston-cylinder device contains 0.2 kg of air at 100 kPa and 27°C. The air...
A frictionless piston-cylinder device contains 0.2 kg of air at 100 kPa and 27°C. The air is now compressed slowly according to the relation P Vk = constant, where k = 1.4, until it reaches a final temperature of 77°C. Sketch the P-V diagram of the process with respect to the relevant constant temperature lines, and indicate the work done on this diagram. Using the basic definition of boundary work done determine the boundary work done during the process [-7.18...
A piston-cylinder arrangement contains Carbon dioxide (CO2) initially at 66 kPa and 400 K, undergoes an...
A piston-cylinder arrangement contains Carbon dioxide (CO2) initially at 66 kPa and 400 K, undergoes an expansion process with pressure-volume relationship of PV 1.2 = Costant.to a final temperature of 298 K. Assuming the gas to be an ideal gas, determine the final pressure (kPa), the work done and the heat transfer each in kJ.
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Helium gas is compressed from 90 kPa and 30°C to 470 kPa in a reversible, adiabatic process. Determine the final temperature and the work done, assuming the process takes place in a piston-cylinder device. Use the table containing the ideal gas specific heats of various common gases. The final temperature is K. The work done is kJ/kg. Determine the final...
Nitrogen at 120 kPa and 30°C is compressed to 620 kPa in an adiabatic compressor. Calculate the minimum work needed for this process in kJ/kg. Use the table containing the ideal gas specific heats of various common gases. The minimum work needed for this process is k J/kg.
9 Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. An insulated rigid tank is divided into two compartments by a partition. One compartment contains 9.5 kg of oxygen gas at 40°C and 100 kPa, and the other compartment contains 4 kg of nitrogen gas at 20°C and 150 kPa. Now the partition is removed, and the two gases are allowed to mix N2 4 kg 20℃...
Nitrogen in a piston cylinder device occupies 0.5 m3 at 100 kPa and 20 °C. It undergoes a compression process (during which PV1.30-constant) to a final state where the temperature is 200 °C. The specific heats are assumed to be constant while Tsur - 15 C a) Prove that the gas, at state 1, can be treated as an ideal gas. b) Find the pressure and volume at state 2 c) Find the heat transfer, in kJ. d) Find the...
constant specife heats An ideal gas wit of cp .1 kJ/(kg K) and c 0.75 kJ/(kg K) is contained in the piston-cylinder device shown. Initially, the vol- ume is 50 cm3 and the temperature is 20°C. How much heat must be added to double the volume if the final pressure and temperature are 400 kPa and 1000 K respectively. g·K) and Cu- Ideal gas Linear spring
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...
A piston-cylinder arrangement contains Carbon dioxide (CO2) initially at 66 kPa and 400 K, undergoes an expansion process with pressure-volume relationship of PV 1.2 = Costant.to a final temperature of 298 K. Assuming the gas to be an ideal gas, determine the final pressure (kPa), the work done and the heat transfer each in kJ.
Most questions answered within 3 hours.
-
Suppose that on a temperature scale X, water boils at 203.0°X
and freezes at -105.7°X. What...
asked 36 minutes ago -
BaS crystallizes in a cubic unit cell with S2- ions on each
corner and each face....
asked 1 hour ago -
A. 0≤P(Oi)≤10≤P(Oi)≤1 for each i
B. P(Oi)≤0P(Oi)≤0
C. P(Oi)=1+P(OCi)P(Oi)=1+P(OiC)
D. P(Oi)≥1P(Oi)≥1
If an experiment consists of...
asked 2 hours ago -
A battery has an emf of 9.20V and an internal resistance of 1.20
ohm. a)What resistance...
asked 2 hours ago -
The area of an elastic circular loop decreases at a constant
rate, dA/dt = −6.60×10−3 m2/s...
asked 3 hours ago -
The denaturation of proteins can be described by the
equilibrium
F⇌U
where F and U represent...
asked 5 hours ago -
Please answer what the maximum and minimum force is, and the
angle on the ion is...
asked 5 hours ago -
implement a program that reads a number of rows and a symbol.
The program will draw...
asked 5 hours ago -
Assume that when adults with smartphones are randomly selected,
45% use them in meetings or classes....
asked 5 hours ago -
Determine the number of formula units of
Na2SO4 and moles of oxygen contained in 8.11
moles...
asked 5 hours ago -
Explain in steps on the following code
What would be the output when executed
using System;...
asked 5 hours ago -
Given the information in the table, which of the following
statements is CORRECT?
Stock A
Stock...
asked 5 hours ago