The pV-diagram in Fig. E20.5 shows a cycle of a heatengine that uses 0.250 mol of anideal gas with g = 1.40. Process ab is adiabatic. (a) Find thepressure of the gas at point a. (b) How much heat enters this gas per cycle, and where does it happen? (c) How much heat leaves this gas in a cycle, and where does it occur? (d) How much work does this engine doin a cycle? (e) What is the thermal efficiency of the engine 20.5 .. The pV-diagram in Fig. E20.5 shows a cycle of a heatengine that uses 0.250 mol of anideal gas with y = 1.40. Pro-cess ab is adiabatic. (a) Find theFigure E20.5P (atm)pressure of the gas at point a.(b) How much heat enters thisgas per cycle, and where doesit happen? (c) How much heatleaves this gas in a cycle, and1.5where does it occur? (d) HowV (m³)much work does this engine doin a cycle? (e) What is the ther-mal efficiency of the engine?0 0.00200.0090

Answered: Image /qna-images/answer/74f93db6-bfb4-4cad-8ea3-2e0553f86cd0.jpg

he pV-diagram in Fig. E20.5 shows a cycle of a heat engine that uses 0.250 mol of an ideal gas with g = 1.40. Process ab is adiabatic. (a) Find the pressure of the gas at point a. (b) How much heat enters this gas per cycle, and where does it happen? (c) How much heat

he pV-diagram in Fig. E20.5 shows a cycle of a heat engine that uses 0.250 mol of an ideal gas with g = 1.40. Process ab is adiabatic. (a) Find the pressure of the gas at point a. (b) How much heat enters this gas per cycle, and where does it happen? (c) How much heat

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 58P

See similar textbooks

Related questions

Q: An idealized diesel engine operates in a cycle known as the air-standard diesel cycle shown in…

A: The heat added to the system is given by, Here, n is the number of moles of gas, and Cv is the…

Q: You are conducting experiments to study prototype heat engines. In one test, 4.00 mol of argon gas…

A: The P-V diagram for the question will be as follows:

Q: One mole of an ideal gas undergoes the cycle, A⟶B⟶C⟶A, as shown in the graph. For this gas, CV =…

A: A to B is an isobaric pressure. pressure in the process A to B is PA=1.0 atm=1.01325×105 Pa The…

Q: A refrigerator has a coefficient of performance of 1.15, and it extracts 7.95 J of heat from the…

Q: A heat engine performs the reversible cycle abca with 9.0 moles of an ideal gas, as shown in the…

A: Given, n=9mole Ta=300KTb=500KVc=0.2m3γ=1.60

Q: In a heat engine, 2.00 mol of a diatomic gas are carried through the cycle ABCDA, shown in Figure.…

A: Given data: Number of moles, n =2.00 mole Pressure at A ,PA =5.00 atm. Temperature,TA =600 K.…

Q: Consider a monatomic ideal gas operating through the Carnot cycle. The initial volume of the gas is…

Q: A sample of gas is taken through cycle abca shown in the p-V diagram of the figure. The net work…

A: (a) From the first law of thermodynamics, Substitute the known values and solve.

Q: Shown below is the PV-diagram for a clockwise cycle. Determine the work done during the cycle, the…

Q: A certain heat engine performs a cycle described by the curve A→B→C→A in the p-V diagram shown in…

A: Given, VA = 0.89×10-3 m3VB = 3.2×10-3 m3PA = 2.92×106 PaPB = 2.14×106 PaPC = 0.98×106 Pa

Q: In the thermodynamic cycle depicted in the PV-diagram below, the NET work done BY the system is P PA…

Q: An idealized diesel engine operates in a cycle known as the air-standard diesel cycle shown in…

A: The energy transferred to the system is given by, Here, cp is…

Q: Three Carnot engines operate between temperature limits of (a) 400 and 500 K, (b) 500 and 600 K, and…

Q: As shown in the figure, a chamber with a moveable piston and containing a monatomic ideal gas in an…

Q: Please help me

Q: A monoatomic ideal gas is taken through the cycle A→B→C→A shown in the figure. Express all the…

A: A mono-atomic ideal gas is taken through the cycle and It does work and some heat transfer during it

Q: By operating a reversible thermal machine with an ideal gas as the working substance in a Carnot…

A: Here we only know the temperature at all points. T3 = T4 = TQ T1 = T2 = TF At every point PV =…

Q: In air-standard diesel cycle shown in the figure, Consider N mol of an ideal monatomic gas, QL is…

Q: A particular heat engine has a mechanical power output of 5.00 kW and an efficiency of 25.0%. The…

A: The efficiency of the heat engine, The power output, The engine expels energy,

Q: An Otto cycle engine is operating on the following conditions: The pressure and temperature at the…

A: Initial pressure P1=150 kPa and temperature T1=300 K. Final pressure P2=5100 kPa and temperature…

Q: A heat engine (Carnot cycle ) has its intake and exhaust temperature of 157oC and 100oC,…

A: Given data :- Intake temperature T1 = 157° C = 430 K Exhaust temperature T2 = 100° C = 373 K

Q: A thermal machine follows a thermodynamic cycle composed of 4 processes as shown in the figure, P…

A: The P-V diagram of the cycle is shown below.

Q: Consider an air-standard Diesel cycle. Operating data at principal states in the cycle are given in…

A: In this question we are given with an air-standard Diesel cycle and we have to answer some questions…

Q: 7. A monoatomic ideal gas is taken through the cycle A → B → C→ A shown in the figure. Express the…

A: Given data The gas is monoatomic. Process B →C is isothermal. Since the process B→C is…

Q: As shown in the figure, a chamber with a moveable piston and containing a monatomic ideal gas in an…

A: Find the volume of the gas at state C (in L). Determine values (in kJ) for Q, W, and ΔEint for the…

Q: Which of these DOES NOT happen during the Carnot cycle? A. The gas expands quasi-statically at…

A: Ques:

Q: You design an engine that takes in 26 kJ of heat at 720 K in each cycle and rejects heat at a…

Q: The temperature of a spark ignition engine operating according to the ideal Otto cycle is T1 = 325 K…

Q: In a heat engine, 2.00 mol of a diatomic gas are carried through the cycle ABCDA, shown in Figure.…

A: (A) Consider the process A to B. Since, the process is isothermal. So, using ideal gas Law: Also,…

Q: Rank these engines on the basis of the change in entropy of the gas during the isothermal expansion…

A: The rank from largest to smallest on the basis of the change of entropy is :

Q: A heat engine consists of the cycle shown for 3 moles of an ideal 2 2p monatomic gas. It starts at…

Q: An adiabatic heat exchanger is to cool ethylene glycol (cp = 2.56 kJ/kgC) flowing at a rate of 2…

A: a) The rate of heat transfer from the ethylene glycol could be defined from the balance for the…

Q: A given cyclical heat engine can do 1.6 × 105 J of work with 2.27 × 106 J of heat input. What…

A: Efficiency=η=WorkInput=1.6×105 J2.27×106 J=0.0705=7.05%

Q: Р (atm) a 1.5 FT V (m³) O 0.0020 0.0090

A: The volume of a gas at state a and c are the same because of the constant volume process. The…

Q: One mole of diatomic ideal gas undergoes a reversible carnot cycle shown in the figure. Processes 1…

A: A Carnot cycle is a hypothetical thermodynamic cycle that contains four steps. Isothermal…

Q: In this cycle the system, which is an ideal monatomic gas, undergoes first isothermal (i) then…

A: Given: For monoatomic gas, Process i) = isothermal compression Process ii) = adiabatic compression…

Q: When a system is adiabatic, what can be said about the entropy change of the substance in the…

Q: Consider n moles of a monatomic ideal gas that goes through the reversible cycle ab shown in the pV…

A: The change in internal energy of the gas from c to a along the curved path is, ∆U=P∆V=32P∆V Here, P…

Q: A Carnot cycle uses 1.00 mol of a monoatomic ideal gas as a working substance. From an initial state…

A: Using the given information, a Carnot cycle of 1 mol of a monoatomic ideal gas as given below.…

Q: 1. Which of the following energy flow dia- gram correctly describes a heat engine that op- erates by…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The figure shows a reversible cycle through which 1.09 mol of a monatomic ideal gas is taken. Assume…

Q: The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is…

Q: A four-cylinder spark-ignition engine has a compression ratio of 10.5, and each cylinder has a…

Question

The pV-diagram in Fig. E20.5 shows a cycle of a heat
engine that uses 0.250 mol of an
ideal gas with g = 1.40. Process ab is adiabatic. (a) Find the
pressure of the gas at point a.
(b) How much heat enters this
gas per cycle, and where does
it happen? (c) How much heat
leaves this gas in a cycle, and
where does it occur? (d) How
much work does this engine do
in a cycle? (e) What is the thermal efficiency of the engine

20.5 .. The pV-diagram in Fig. E20.5 shows a cycle of a heat
engine that uses 0.250 mol of an
ideal gas with y = 1.40. Pro-
cess ab is adiabatic. (a) Find the
Figure E20.5
P (atm)
pressure of the gas at point a.
(b) How much heat enters this
gas per cycle, and where does
it happen? (c) How much heat
leaves this gas in a cycle, and
1.5
where does it occur? (d) How
V (m³)
much work does this engine do
in a cycle? (e) What is the ther-
mal efficiency of the engine?
0 0.0020
0.0090

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step 5

Trending now

This is a popular solution!

Step by step

Solved in 5 steps with 5 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A car tile contains 0.0380 m3 of air at a pressure of 2.20105 Pa (about 32 psi). How much more internal energy does this gas have than the same volume has at zero gauge pressure (which is equivalent to normal atmospheric pressure)?
A 1.00-mol sample of an ideal monatomic gas is taken through the cycle shown in Figure P18.63. The process AB is a reversible isothermal expansion. Calculate (a) the net work done by the gas, (b) the energy added to the gas by heat, (c) the energy exhausted from the gas by heat, and (d) the efficiency of the cycle. (e) Explain how the efficiency compares with that of a Carnot engine operating between the same temperature extremes. Figure P18.63
The PV diagram in the figure below shows a set of thermodynamic processes that make up a cycle ABCDA for a monatomic gas, where AB is an isothermal expansion occurring at a temperature of 355 K. There are 1.35 mol of gas undergoing the cycle with PA = 1.01 ✕ 106 Pa, PB = 5.10 ✕ 105 Pa, and PC = 2.02 ✕ 105 Pa. (a) Find the volumes VA and VB. (b) Find the change in thermal energy during the constant-volume process BC.
If a carnot engine operates between 35 C to 76C. WHat is its thermal eficiency
Question 2Air is contained in a cylinder by as frictionless gas-tight piston. a.Find the work done by the gas as it expands from a volume of 0.015 m^3 toa volume of 0.027 m^3 at a constant pressure of 2 x 10^5 Pa and 27°C.b. Find the final pressure and temperature if, starting from the same initialconditions as in (a), and expanding by the same amount, the change occurs(i) isothermally, and (ii) adiabatically. (Given y for air = 1.4)
14. a) What happens to the energy added to an ideal gas when it is heated a(i) constant volume (ii) constant pressure?A camot engine working between 300K and 600K has a work outpuof 8001 per cycle. What is the amount of heat energy supplied to theengine from source per cycle ?
When 3.00g of water at 100°c changes from the liquid to the gas phase at standard atmospheric pressure, it's change in volume is 2.45×10*-3 m³. The latent heat of vaporisation of water is 2260 Km/kg. i. How much heat must be added to vaporise the water? ii. How much work is done by the water against the atmosphere in it's expansion? iii. What is the change in the internal energy of the water?
During the compression stroke of a certain gasoline engine, the pressure increases from 1.00 atm to 20.0 atm. If the process is adiabatic and the air–fuel mixture behaves as a diatomic ideal gas, (a) by what factor does the volume change and (b) by what factor does the temperature change? Assuming the compression starts with 0.016 0 mol of gas at 27.0°C, find the values of (c) Q, (d) ΔEint, and (e) W that characterize the process.
A car tire contains 0.0390 m3 of air at a pressure of 2.20×105 N/m2 (about 32 psi). How much more internal energy does this gas have than the same volume has at zero gauge pressure (which is equivalent to normal atmospheric pressure)?
In Batman, The Dark Knight Rises, Batman is working on an ideal heat engine for the bat mobile that operates between a high temperature at 832.0°C and a low temperature reservoir at 55.00°C, if the engine does 12550J of work per cycle how much heat energy would this engine dump into the low temperature reservoir per cycle? b) If he instead wanted to take 12550J of energy out of a refrigerator that has a COP of 7.300, how much work would be needed?
When 5.8 x 105 Jof heat is added to a gas enclosed in acylinder fitted with a light frictionless piston maintained atatmospheric pressure, the volume is observed to increasefrom 1.9 m3 to 4.1 m3Calculate (a) the work done by thegas, and (b) the change in internal energy of the gas.(c) Graph this process on a PV diagram
A system consists of 3.5 mol of an ideal monatomic gas at 315 K.How much heat must be added to the system to double its internalenergy at (a) constant pressure or (b) constant volume?