What is ideal work ( idealized Compression). Use the analogy of a cylinder being compressed
What is ideal work ( idealized Compression). Use the analogy of a cylinder being compressed
Homework Answers
Ideal compression process represents no internal irreversibility (reversible) such as friction also, if piston moves very slowly inside cylinder during compression such as to keep temperature constant, minimum work input is required to compress . Thus, ideal compression process is reversible isothermal.
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What is ideal work ( idealized Compression). Use the analogy of
a cylinder being compressed
An ideal gas in a cylinder is compressed at a constant temperature to one-fourth its original...
An ideal gas in a cylinder is compressed at a constant temperature to one-fourth its original volume and the work done in the compression is 96 J. What is the amount of heat flow to the gas?
An ideal gas in a cylinder is compressed at a constant temperature to one-fourth its original...
An ideal gas in a cylinder is compressed at a constant temperature to one-fourth its original volume and the work done in the compression is 98 J. What is the amount of heat flow to the gas?
Two mole of ideal gas, is compressed adiabatically in a piston/cylinder device from 2 bar and...
Two mole of ideal gas, is compressed adiabatically in a piston/cylinder device from 2 bar and 25oC to 7 bar. The process is irreversible and requires 25% more work than a reversible, adiabatic compression from the same initial state to the same final pressure. What is the entropy change of the gas? Assume Cv=(5/2)R in this calculation.
Thermodynamics- Gas mixture compression An ideal gas mixture at P1 and T1 is compressed in a...
Thermodynamics- Gas mixture compression
An ideal gas mixture at P1 and T1 is compressed in a piston
cylinder assembly first isothermally to P2 and then isentropically
(reversible and adiabatic) to T3. Assuming variable specific heats
(use ideal gas tables) determine the following given the properties
listed below.
--Given Values--
m_O2 (kg) = 0.38
m_N2 (kg) = 0.34
T1 (K) = 650
P1 (bar) = 1.32
P2 (bar) = 2.52
T3 (K) = 738
1. Determine the pressure (bar) at state...
61N 16. Two moles of an ideal gas are compressed in a cylinder at a constant...
61N 16. Two moles of an ideal gas are compressed in a cylinder at a constant temperature of 65 °C until the original pressure has tripled. (a) Sketch a pV diagram for this process. (b) Calculate the amount of work done.
Problem #4 Carbon dioxide is compressed adiabatically in a piston – cylinder arrangement form 500 kPa...
Problem #4 Carbon dioxide is compressed adiabatically in a piston – cylinder arrangement form 500 kPa and 310 K to 2.5 MPa. What is the minimum work required for the compression process if the initial volume is 0.04 m3 . Consider carbon dioxide as ideal gas with: a) constant specific heat. b) Variable specific heat.
d. Two moles of an ideal gas are compressed in a cylinder at a constant temperature...
d. Two moles of an ideal gas are compressed in a cylinder at a constant temperature of (75°C) until the original pressure, (2x10$ Pa), is tripled. Given that (R = 8.314 J/mol-K), Find: (1) The amount of work done. () The final volume of the gas.
1.2 moles of ideal gas in a cylinder are compressed isothermally from an initial pressure of...
1.2 moles of ideal gas in a cylinder are compressed isothermally from an initial pressure of 120 kPa and a volume of 0.025 m3 to a final volume of 0.004 m3. Calculate the temperature and the final pressure of the gas; and also estimate the work done on the gas.
An ideal gas in a cylinder is compressed very slowly to one-third its original volume while...
An ideal gas in a cylinder is compressed very slowly to one-third its original volume while its temperature is held constant. The work required to accomplish this task is 77 J. (a) What is the change in the internal energy of the gas? __________J (b) How much energy is transferred to the gas by heat in this process?____________J
Problem 8: Consider the reversible Carnot's cycle of an ideal monatomic gas in the cold cylinder...
Problem 8: Consider the reversible Carnot's cycle of an ideal monatomic gas in the cold cylinder of 290 K corresponding to the isothermal compression step. Then the volume of the gas is further compressed by a factor of 7.5 in the adiabatic compression step. a) Find the temperature at the final step of the adiabatic compression. b) What is Thot for the isothermal expansion step? c) What is the maximum thermodynamic efficiency for this engine? d) How much would the...
An ideal gas in a cylinder is compressed at a constant temperature to one-fourth its original volume and the work done in the compression is 98 J. What is the amount of heat flow to the gas?
Thermodynamics- Gas mixture compression
An ideal gas mixture at P1 and T1 is compressed in a piston
cylinder assembly first isothermally to P2 and then isentropically
(reversible and adiabatic) to T3. Assuming variable specific heats
(use ideal gas tables) determine the following given the properties
listed below.
--Given Values--
m_O2 (kg) = 0.38
m_N2 (kg) = 0.34
T1 (K) = 650
P1 (bar) = 1.32
P2 (bar) = 2.52
T3 (K) = 738
1. Determine the pressure (bar) at state...
61N 16. Two moles of an ideal gas are compressed in a cylinder at a constant temperature of 65 °C until the original pressure has tripled. (a) Sketch a pV diagram for this process. (b) Calculate the amount of work done.
d. Two moles of an ideal gas are compressed in a cylinder at a constant temperature of (75°C) until the original pressure, (2x10$ Pa), is tripled. Given that (R = 8.314 J/mol-K), Find: (1) The amount of work done. () The final volume of the gas.
Problem 8: Consider the reversible Carnot's cycle of an ideal monatomic gas in the cold cylinder of 290 K corresponding to the isothermal compression step. Then the volume of the gas is further compressed by a factor of 7.5 in the adiabatic compression step. a) Find the temperature at the final step of the adiabatic compression. b) What is Thot for the isothermal expansion step? c) What is the maximum thermodynamic efficiency for this engine? d) How much would the...
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