One mole of an ideal gas from an initial state described by T= 250 Kand P=...
One mole of an ideal gas from an initial state described by T= 250 Kand P= 1.00 bar with CV,m= (5/2)Rundergoes an adiabatic expansion against a constant external pressure of 0.500 bar until the final pressure is half its initial value. What is w, and ΔS for this process? Note that the process involves both changes in T and P.
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One mole of an ideal gas from an initial state described by T=
250 Kand P=...
1.00 mile of a monoatomic ideal gas at 298 K undergoes isothermal expansion from an initial...
1.00 mile of a monoatomic ideal gas at 298 K undergoes
isothermal expansion from an initial pressure of 12.0 bar to 5.00
bar. Calculate the work if the expansion is done
a) against a constant external pressure
b) reversibly and isothermally.
Problem 3 1.00 mole of a monoatomic ideal gas at 298 K undergoes isothermal expansion from an initial pressure of 12.0 bar to 5.00 bar. Calculate the work if the expansion is done (a) against a constant external pressure...
Consider the expansion of 1.00 mole of (ideal) Ne from 2.00 atm at 75.00 C: the...
Consider the expansion of 1.00 mole of (ideal) Ne from 2.00 atm at 75.00 C: the volume is doubled in the process. Find q, w, Delta H and the final pressure and temperature for a) reversible adiabatic expansion b) reversible isothermal expansion c) reversible constant pressure expansion d) irreversible adiabat against 0.500 atm external pressure
4. One mole of monoatomic ideal gas, initially at 27 oC and 1 bar, is heated...
4. One mole of monoatomic ideal gas, initially at 27 oC and 1 bar, is heated and allowed to expand reversibly against constant pressure of 1 bar until the final temperature is 127 °C. 4.1 What are the initial (Vi) and final (V2) volumes of the gas? 4.2 Calculate the work (w) that the gas does during this expansion. 4.3 Calculate the internal energy change (AU) of this expansion process 4.4 Calculate the enthalpy change (AH) of this expansion process.
One mole of an ideal monatomic gas is expanded from an initial state at 3 bar...
One mole of an ideal monatomic gas is expanded from an initial state at 3 bar and 450 K to a final state at 2 bar and 250 K. Choose two different paths for this expansion, specify them carefully, and calculate w and q for each path. Calculate ?U and ?S for each path.
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.
Assume there's 1 mol ideal mono-atomic gas in a 22.4L container at 300K. The initial entropy...
Assume there's 1 mol ideal mono-atomic gas in a 22.4L container
at 300K. The initial entropy of the system is 100J/K. For the
following processes, calculate:
a) q and w for a reversible expansion to twice the volume,
isothermally.
b)
S and
G for irreversible isothermal expansion against a constant 0.5 bar
external pressure, to a final internal pressure of 0.5 bar.
c)
U and
H for adiabatic reversible expansion to twice the volume.
7) A 1.20 mole sample of an ideal gas at 28.0°C expands isothermally from an initial...
7) A 1.20 mole sample of an ideal gas at 28.0°C expands isothermally from an initial volume of 24 dm to a final volume of 75 dm3. Calculate w for the following processes: (a) an expansion against an external pressure of 0.5x 105 Pa (b) a reversible expansion. Please give these quantities in joules. This may involve unit conversion(s).
7.) One mole of an ideal gas is contained in an insulated piston-cylinder arrangement in an...
7.) One mole of an ideal gas is contained in an insulated piston-cylinder arrangement in an initial state T, P,V. The gas is allowed to expand adiabatically and irreversibly against a constant external pressure P. until a point is reached where the internal pressure becomes equal to Po. If C for the gas is constant and equal to 1.5 R, derive an expression giving the final temperature of the gas in terms of P., V, T, and R.
2. One mole of an ideal gas, CP - (7/2)R and CV - (5/2)R, is compressed...
2. One mole of an ideal gas, CP - (7/2)R and CV - (5/2)R, is compressed adiabatically in a piston/cylinder device from 2 bar and 25°C to 7 bar. The process is irreversible and requires 35% 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?
(3). A sample of 1.00 mol ideal gas molecules with Cp, m = 7/2 R is initially at p = 1.00 bar and V = 22.44 L and then p...
(3). A sample of 1.00 mol ideal gas molecules with Cp, m = 7/2 R is initially at p = 1.00 bar and V = 22.44 L and then put thought the following cycle in reversible processes: (a) constant-pressure expansion to twice its initial volume, (b) constant-volume cooling to its initial temperature, (c) isothermal-compression back to 1.00 bar. Calculate q, w, ΔU, ΔH, ΔS for each process and for the whole cycle.
1.00 mile of a monoatomic ideal gas at 298 K undergoes
isothermal expansion from an initial pressure of 12.0 bar to 5.00
bar. Calculate the work if the expansion is done
a) against a constant external pressure
b) reversibly and isothermally.
Problem 3 1.00 mole of a monoatomic ideal gas at 298 K undergoes isothermal expansion from an initial pressure of 12.0 bar to 5.00 bar. Calculate the work if the expansion is done (a) against a constant external pressure...
Consider the expansion of 1.00 mole of (ideal) Ne from 2.00 atm at 75.00 C: the volume is doubled in the process. Find q, w, Delta H and the final pressure and temperature for a) reversible adiabatic expansion b) reversible isothermal expansion c) reversible constant pressure expansion d) irreversible adiabat against 0.500 atm external pressure
4. One mole of monoatomic ideal gas, initially at 27 oC and 1 bar, is heated and allowed to expand reversibly against constant pressure of 1 bar until the final temperature is 127 °C. 4.1 What are the initial (Vi) and final (V2) volumes of the gas? 4.2 Calculate the work (w) that the gas does during this expansion. 4.3 Calculate the internal energy change (AU) of this expansion process 4.4 Calculate the enthalpy change (AH) of this expansion process.
Assume there's 1 mol ideal mono-atomic gas in a 22.4L container
at 300K. The initial entropy of the system is 100J/K. For the
following processes, calculate:
a) q and w for a reversible expansion to twice the volume,
isothermally.
b)
S and
G for irreversible isothermal expansion against a constant 0.5 bar
external pressure, to a final internal pressure of 0.5 bar.
c)
U and
H for adiabatic reversible expansion to twice the volume.
7) A 1.20 mole sample of an ideal gas at 28.0°C expands isothermally from an initial volume of 24 dm to a final volume of 75 dm3. Calculate w for the following processes: (a) an expansion against an external pressure of 0.5x 105 Pa (b) a reversible expansion. Please give these quantities in joules. This may involve unit conversion(s).
7.) One mole of an ideal gas is contained in an insulated piston-cylinder arrangement in an initial state T, P,V. The gas is allowed to expand adiabatically and irreversibly against a constant external pressure P. until a point is reached where the internal pressure becomes equal to Po. If C for the gas is constant and equal to 1.5 R, derive an expression giving the final temperature of the gas in terms of P., V, T, and R.
2. One mole of an ideal gas, CP - (7/2)R and CV - (5/2)R, is compressed adiabatically in a piston/cylinder device from 2 bar and 25°C to 7 bar. The process is irreversible and requires 35% 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?
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