Question

Steam is confined in a piston cylinder arrangement with an initial volume of 0.625 cubic meters,...

Steam is confined in a piston cylinder arrangement with an initial volume of 0.625 cubic meters, an initial temperature of 150 degrees C, and an initial pressure of 16 pounds per square inch. Then the piston is slowly moved so that the steam's volume is decreased by 0.075 cubic meters in an isothermal process. Calculate:

a. the final pressure

b. the work done by the steam

c. the change in the steam's internal energy

d. the change in entropy of the steam

e. whether the total entropy of the universe is increased or decreased by this process

f. draw this on a P-V diagram

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
2 kg of steam initially at 2.00 MPa and 225?C expands in a piston-cylinder assembly until...
2 kg of steam initially at 2.00 MPa and 225?C expands in a piston-cylinder assembly until the final pressure is 0.10 MPa. During the process, the temperature of steam is kept constant by keeping it in a constant temperature atmosphere at 225?C. a. What is the maximum amount of work that can be produced? What is the entropy change of steam? What is the entropy change of the universe? b. Suppose that the actual work done is 80% of the...
A cylinder of monatomic ideal gas is sealed in a cylinder by a piston. Initially, the...
A cylinder of monatomic ideal gas is sealed in a cylinder by a piston. Initially, the gas occupies a volume of 3.00 L and the pressure is initially 105 kPa. The cylinder is placed in an oven that maintains the temperature at a constant value. 65.0 J of work is then done on the piston, compressing the gas (in other words, the gas does −65.0 J of work). The work is done very slowly so that the gas maintains a...
This question relates to thermodynamics. in an adiabatic piston cylinder arrangement: if state 1 pressure is...
This question relates to thermodynamics. in an adiabatic piston cylinder arrangement: if state 1 pressure is known and work is done by the piston to compress a water mixture can the temperature at state 2 be read off the steam tables by using the value of internal energy at state 1 and adding the work to it? If so does this then become the enthalphy i.e. internal energy + work = enthalphy. And then using this enthaphy and the given...
A piston/cylinder device operating in a cycle with steam as the working fluid executes the following...
A piston/cylinder device operating in a cycle with steam as the working fluid executes the following steps: (1) steam at 550 kPa and 200 degrees celsius is heated at constant volume to a pressure of 800 kPa. (2) It then expands, reversibly and adiabatically, to the initial temperature of 200 degrees celsius. (3) Finally, the steam is compressed in a mechanically reversible, isothermal process to the initial pressure of 550 kPa. Please show all the steps, and please do not...
Entropy From Steam Tables A piston-cylinder assembly contain 2 kg of water. The water is initially...
Entropy From Steam Tables A piston-cylinder assembly contain 2 kg of water. The water is initially at the pressure of 0.5 MPa and the temperature of 300°C. The water is cooled down at constant pressure process until it is a saturated vapor. Determine the change in the entropy of the system.
Oxygen gas is contained in a piston cylinder assembly at an initial pressure of 1000 kPa...
Oxygen gas is contained in a piston cylinder assembly at an initial pressure of 1000 kPa and expands from 0.2 m3 to 1.0 m3 by a process where PV = constant. The gas has an internal energy change of -200 kJ. Calculate the work (kJ) and the heat transfer (kJ) done during the process.
A piston-cylinder isolated system with R-134 at 50ºC and 1MPa with volume of 100L. R-134 expands...
A piston-cylinder isolated system with R-134 at 50ºC and 1MPa with volume of 100L. R-134 expands and piston moves to reach at internal pressure of cylinder to 100kPa. A person claims during this process R-134 has done 190kJ work on piston, is this true claim? Why?
A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at...
A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. When 254 kcal of heat is added to the gas, the volume is observed to increase slowly from 12.0 m3 to 16.2 m3 . A. Calculate the work done by the gas B. Calculate the change in internal energy of the gas.
A closed piston-cylinder system contains a 120 moles of neon, a monatomic ideal gas, at pressure...
A closed piston-cylinder system contains a 120 moles of neon, a monatomic ideal gas, at pressure PA = 2.5 atm and volume VA = 0.80 m3. It undergoes the following cyclic process: A -> B: I There is isothermal expansion to volume double of the original. B -> C: Constant-volume process back to its original pressure . C -> A: Constant-pressure process back to its initial state a) Draw a Pressure volume diagram for the cycle. You don't need to...
In a cylinder/piston arrangement, air is compressed in a reversible polytropic process to a final state...
In a cylinder/piston arrangement, air is compressed in a reversible polytropic process to a final state of 800 kPa, 500 K. Initially air is at 110 kPa and 25oC. During the compression process heat transfer takes place with the ambient maintained at 25oC. Assume air as an ideal gas (R =0.287 kJ/kg) and has constant specific heats of Cp = 1.004 kJ/kgK and Cv = 0.717 kJ/kgK. If the mass of air in the cylinder is 0.1286 kg, determine a)...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT