One #"mol"# of an ideal gas, initially at #"300 K"#, is cooled at constant #"V"# so that #"P"_f# is #1/4 "P"_i#. Then the gas expands at constant #"P"# until it reaches #"T"_i# again. What is the work #w# done on the gas?
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One #"mol"# of an ideal gas, initially at #"300 K"#, is cooled at constant #"V"# so that #"P"_f# is #1/4 "P"_i#. Then the gas expands at constant #"P"# until it reaches #"T"_i# again. What is the work #w# done on the gas?
Thermal? Calculate the work done when 0.1 mol of an ideal gas at 300 K expands...
Thermal?
Calculate the work done when 0.1 mol of an ideal gas at 300 K expands isothermally from a volume of 2 x 10n-3 m 3 to 10 x 10A-3 mn3.
9. One mole of an ideal gas, initially at 300 K, is cooled at constant volume...
9. One mole of an ideal gas, initially at 300 K, is cooled at constant volume so that the final pressure is one-fourth the initial pressure. Then the Ras expands at constant pressure until reaches the initial temperature. Determine the work done on the gas.
As a 9.00-mol sample of a monatomic ideal gas expands adiabatically, the work done on it...
As a 9.00-mol sample of a monatomic ideal gas expands adiabatically, the work done on it is -2.50 103 . The initial temperature and pressure of the gas are 480 K and 2.40 atm. Calculate the following. (a) the final temperature 480 x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize...
2. 0.5 moles of an ideal gas is initially at T, = 300 K in a...
2. 0.5 moles of an ideal gas is initially at T, = 300 K in a volume Va=0.8 L. This gas has a y value of 9/7. It is taken around the cycle as shown: (1) expanded isothermally to volume Vo = 1.6 L, from a to b. (2) expanded adiabatically to T. = 275 K, from b to c. 0.8L (3) compressed at constant pressure to T, = 235.74 K, from c to d. (4) compressed adiabatically back to...
One mole of an ideal monoatomic gas is initially at 300 K and 5 bar of...
One mole of an ideal monoatomic gas is initially at 300 K and 5 bar of pressure inside a cylinder with a frictionless piston. a) The cylinder is kept in a heat bath and the gas is allowed to expand under 1 bar of external pressure. Calculate the work and heat associated with this process. b) Calculate the change in enthalpy for isothermal expansion at constant pressure. c) Alternatively, the gas is allowed to expand isothermally under near-equilibrium conditions. Calculate...
What is the internal energy of 2.0 mol of an ideal monatomic gas at 300 K?...
What is the internal energy of 2.0 mol of an ideal monatomic gas at 300 K? J
Two moles of an ideal monoatomic gas is initially at 300 K and 1 bar of...
Two moles of an ideal monoatomic gas is initially at 300 K and 1 bar of pressure inside a cylinder with a frictionless piston. a) Calculatethekineticenergyforthissystemat300K. b) Calculate the heat capacity at constant volume. c) How much heat is required to increase the temperature by 10°C. d) What is the final pressure after heating, if there is no change in volume.
WORK-OUT PROBLEM #2: An ideal gas with Cym=1.5R, initially at Ti=300 K, P:= 1.10 bar, V1-10...
WORK-OUT PROBLEM #2: An ideal gas with Cym=1.5R, initially at Ti=300 K, P:= 1.10 bar, V1-10 L is heated isochorically until P2=9.80 bar. It then undergoes gradual adiabatical expansion until Ps=P. Finally, it is resorted back to its original state by extraction of heat at constant pressure a) Depict process in a P-V diagram and shade the total work b) Calculate work for each step (W1, W2 and w3). c) What is the value for q, AU and AH for...
One mole of a monatomic ideal gas expands from 4 to 10 L at constant pressure...
One mole of a monatomic ideal gas expands from 4 to 10 L at constant pressure of 1 atm. Assuming that Cp = 20.8 J/mol-K, calculate ΔH for this process.
An engine using 1 mol of an ideal gas initially at 22.3 L and 454 K...
An engine using 1 mol of an ideal gas initially at 22.3 L and 454 K performs a cycle consisting of four steps: 1) an isothermal expansion at 454 K from 22.3 L to 40 L ; 2) cooling at constant volume to 270 K ; 3) an isothermal compression to its original volume of 22.3 L; and 4) heating at constant volume to its original temperature of 454 K . Find its efficiency. Assume that the heat capacity is...
Thermal?
Calculate the work done when 0.1 mol of an ideal gas at 300 K expands isothermally from a volume of 2 x 10n-3 m 3 to 10 x 10A-3 mn3.
9. One mole of an ideal gas, initially at 300 K, is cooled at constant volume so that the final pressure is one-fourth the initial pressure. Then the Ras expands at constant pressure until reaches the initial temperature. Determine the work done on the gas.
As a 9.00-mol sample of a monatomic ideal gas expands adiabatically, the work done on it is -2.50 103 . The initial temperature and pressure of the gas are 480 K and 2.40 atm. Calculate the following. (a) the final temperature 480 x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize...
2. 0.5 moles of an ideal gas is initially at T, = 300 K in a volume Va=0.8 L. This gas has a y value of 9/7. It is taken around the cycle as shown: (1) expanded isothermally to volume Vo = 1.6 L, from a to b. (2) expanded adiabatically to T. = 275 K, from b to c. 0.8L (3) compressed at constant pressure to T, = 235.74 K, from c to d. (4) compressed adiabatically back to...
WORK-OUT PROBLEM #2: An ideal gas with Cym=1.5R, initially at Ti=300 K, P:= 1.10 bar, V1-10 L is heated isochorically until P2=9.80 bar. It then undergoes gradual adiabatical expansion until Ps=P. Finally, it is resorted back to its original state by extraction of heat at constant pressure a) Depict process in a P-V diagram and shade the total work b) Calculate work for each step (W1, W2 and w3). c) What is the value for q, AU and AH for...
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