Question

A closed system of 2 moles of helium gas ( monatomic) (M=4 g/mol) goes through the...

A closed system of 2 moles of helium gas ( monatomic) (M=4 g/mol) goes through the following reversible process:

Process1->2: Isothermic expansion at T=400k form V1=.03 m^3 to V2=.12 m^3

Process 2->3: Adiabatic expansion to T= 325 K and V3 = .2 m^3

Process 3->4: Isothermic compression at T=325K to P4 = 1.1*10^5 Pa

Process 4->1: Adiabatic compression (from state 4 back to state 1)

A) sketch a PV diagram of tis cycle

B) sketch a ST diagram of this cycle

C) Fill out the two tables

property

State 1 State 2 State 3 State 4
pressure
volume
temp
Process 1->2 Process 2->3 Process 3->4 Process 4->1 Cycle
Work
Heat Transfer
(delta) U
Change in entropy
0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
A closed system of 2 moles of helium gas ( monatomic) (M=4 g/mol) goes through the...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Ten. moles of ideal gas (monatomic), in the initial state P1=10atm, T1=300K are taken round the...

    Ten. moles of ideal gas (monatomic), in the initial state P1=10atm, T1=300K are taken round the following cycle: a. A reversible isothermal expansion to V=246 liters, and b. A reversible adiabatic process to P=10 atm c. A reversible isobaric compression to V=24.6 liters Calculate the change of work (w), heat (q), internal energy (U), and entropy (S) of the system for each process?

  • Air in a piston-cylinder assembly executes a Carnot power cycle (4 internally reversible processes, shown in...

    Air in a piston-cylinder assembly executes a Carnot power cycle (4 internally reversible processes, shown in the figure below). The isothermal expansion and compression processes occur at TH 1400 K and Tc-350 K, respectively. The pressure at the beginning and end of the isothermal compression are p4-100 kPa and pi - 500 kPa, respectively Assume the ideal gas model for the air: ai 0.717 J/g.K Mair- 28.97 g/mol kpv.air 1.4 R 8.314J /(mol K) Adiabatic Isothermal expansion Adiabatic compression Gas...

  • (17%) Problem 4: A monatomic ideal gas is in a state with volume of Vo at...

    (17%) Problem 4: A monatomic ideal gas is in a state with volume of Vo at pressure Po and temperature T . The following questions refer to the work done on the gas, W- -PA 17% Part (a) The gas undergoes an isochoric cooling from its initial state (I-Po-T0). For this process, choose what happens to the energy heat, and work from the following Grade Summary Deductions Potential 100% 0% Submissions OAU > 0, Δυ-o-w. Q < 0, and w...

  • An ideal gas (1.82 moles) undergoes the following reversible Carnot cycle. (1) An isothermal expansion at...

    An ideal gas (1.82 moles) undergoes the following reversible Carnot cycle. (1) An isothermal expansion at Thot=850K from 3.20L to 20.40L. (2) An adiabatic expansion until the temperature falls to 298K. The system then undergoes (3) an isothermal compression and a subsequent (4) adiabatic compression until the initial state is reached. a. Calculate work and ΔS for each step in the cycle and its overall efficiency. b. Determine ΔH and ΔU for steps (1) and (2). c. Explain why ΔUcycle=...

  • A three-step cycle is undergone reversibly by 3.90 mol of an ideal gas: (1) an adiabatic...

    A three-step cycle is undergone reversibly by 3.90 mol of an ideal gas: (1) an adiabatic expansion that gives the gas 3.96 times its initial volume, (2) a constant-volume process, (3) an isothermal compression back to the initial state of the gas. We do not know whether the gas is monatomic or diatomic; if it is diatomic, we do not know whether the molecules are rotating or oscillating. What are the entropy changes for (a) the cycle, (b) process 1,...

  • Ignition power stroke adiabatic expansion compression stroke adiabatic compression Pressure 4. (25 pts) in an internal...

    Ignition power stroke adiabatic expansion compression stroke adiabatic compression Pressure 4. (25 pts) in an internal combustion engine, the compression ratio (c), or the ratio volumes in an expansion or compression step, is an important for calculating efficiency. An Otto Engine cycle consists of (see diagram to right): an adiabatic compression step (1-2), a constant volume heating step (2-3). an adiabatic expansion step (3-4), and a constant volume cooling step (4-1). Based on this information, show: a. V3/V4 = V2/...

  • A monatomic ideal gas is initially at volume, pressure, temperature (Vi, Pi, Ti). Consider two different...

    A monatomic ideal gas is initially at volume, pressure, temperature (Vi, Pi, Ti). Consider two different paths for expansion. Path 1: The gas expands quasistatically and isothermally to (Va, Pz. T2) Path 2: First the gas expands quasistatically and adiabatically (V2, P.,T-),where you will calculate P T. Then the gas is heated quasistically at constant volume to (Va. P2 T1). a. Sketch both paths on a P-V diagram. b. Calculate the entropy change of the system along all three segments...

  • Part A:Refer to diagram 2. A flask contains 85.2 moles of a monatomic ideal gas at...

    Part A:Refer to diagram 2. A flask contains 85.2 moles of a monatomic ideal gas at pressure 6.9 atm and volume 13.4 liters (point A on the graph. Now, the gas undergoes a cycle of three steps: - First there is an isothermal expansion to pressure 3.65 atm (point B on the graph). - Next, there is an isochoric process in which the pressure is raised to P1 (point C on the graph). - Finally, there is an isobaric compression...

  • A sketch of set of four processes involved in a closed thermodynamic system is shown in...

    A sketch of set of four processes involved in a closed thermodynamic system is shown in the adjoining pressure- volume diagram. Isothermal expansion brings 220 grams of a fluid from 415 kPa to a final pressure of 115 kPa and specific volume of 120 litres/kilogram. A reversible cooling process takes place at constant pressure with a work done of 525 Joules and then followed by a constant volume until the pressure of the fluid becomes 62 kPa. A Polytropic compression...

  • 1 00 mol of a perfect gas initially at 1 00 atm and 298 K with...

    1 00 mol of a perfect gas initially at 1 00 atm and 298 K with Cpm (7/2) R is put through the following cycle () constant-volume heating to twice its initial temperature (u) reversible, adiabatic expansion back to its onginal temperature () reversible, isothermal compression back to 1 00 atm Calculate q, w, AU, and AH for each of the steps ()-(m) above Hints First calculate AU, then q AH easily follows Remember the meaning of an adiabatic process...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT