Physics vol T = Physics Vol 2Camryn Smith (Student section: 101) Physics 2054/Fall 2022 New Messages Courses Help LogoutMain Menu Contents GradesPressureBA*TTeamsCourse Contents » Homework Problem Sets A.Adiabatic Heat Engine 2Due on Friday, Dec 2 at 11:30 pm (EST)One mole of an ideal monatomic gas is taken through the reversible cycle shown in the figure.CTop HatWhat is the energy added to the gas as heat for the cycle?5.84x10³ JYou are correct.Your receipt no. is 164-5129?What is the energy leaving the gas as heat?Post Discussion.33°FSunnyMallEscSubmit Answer Incorrect. Tries 8/10 Previous TriesWhat is the net work done by the gas?Previous TriesVolumeProcess B-C is an adiabatic expansion with PB=10.0 atm and VB-4.00×10-³ m³. The volume at State C is 7.00VB.Process AB occurs at constant volume, and Process C-A occurs at constant pressure.Submit Answer Incorrect. Tries 2/10 Previous TriesWhat is the efficiency of the cycle? (in percent-do not enter units)Submit Answer Incorrect. Tries 1/10 Previous TriesTimerNotesEvaluateO Chem Lab lextbo...FeedbackDII>>>Print InfoSend FeedbackCC

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Adiabatic Heat Engine 2 Due on Friday, Dec 2 at 11:30 pm (EST) One mole of an ideal monatomic gas is taken through the reversible cycle shown in the figure. Pressure B A C Volume Process B-C is an adiabatic expansion with Pg=10.0 atm and V₂=4.00x 10-3 m³. The volume at State C is 7.00VB. Process A-B occurs at constant volume, and Process C-A occurs at constant pressure. What is the energy added to the gas as heat for the cycle? 5.84x10³ J You are correct. Your receipt no. is 164-5129 → What is the energy leaving the gas as heat? Previous Tries Submit Answer Incorrect. Tries 8/10 Previous Tries What is the net work done by the gas? Submit Answer Incorrect. Tries 2/10 Previous Tries What is the efficiency of the cycle? (in percent-do not enter units) Submit Answer Incorrect. Tries 1/10 Previous Tries

Adiabatic Heat Engine 2 Due on Friday, Dec 2 at 11:30 pm (EST) One mole of an ideal monatomic gas is taken through the reversible cycle shown in the figure. Pressure B A C Volume Process B-C is an adiabatic expansion with Pg=10.0 atm and V₂=4.00x 10-3 m³. The volume at State C is 7.00VB. Process A-B occurs at constant volume, and Process C-A occurs at constant pressure. What is the energy added to the gas as heat for the cycle? 5.84x10³ J You are correct. Your receipt no. is 164-5129 → What is the energy leaving the gas as heat? Previous Tries Submit Answer Incorrect. Tries 8/10 Previous Tries What is the net work done by the gas? Submit Answer Incorrect. Tries 2/10 Previous Tries What is the efficiency of the cycle? (in percent-do not enter units) Submit Answer Incorrect. Tries 1/10 Previous Tries

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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6. A heat engine consists of the cycle p shown for 3 moles of an ideal 2p monatomic gas. It starts at point 1 with pressure p and volume V; it goes via an isochoric (constant 1 volume) process from point 1 to 3 point 2 until the pressure doubles; it then goes from point 2 to point 3 via an adiabatic process; finally it goes V from point 3 to point 1 via an isothermal process. А. I What is the volume of the gas at point 3? Express your answer in terms of V (the volume of the gas at point 1). В. What are W12, W23, and W31? Express your answer in terms of p, V. 2.
7. When analyzing the Carnot cycle, we found that for a reversible, adiabatic expansion of an ideal gas the initial temperature and volume (T, V;) were related to the final temperature and volume (T7, V/) by (derived by relating the change in internal energy to work). C„In -nRln- (1) a) If 1 mole of ideal gas (C, = R) initially at 500 K doubles in volume during an adiabatic expansion, what is its final temperature? b) Draw a temperature/volume graph of a thermodynamic cycle with three different steps (in any order): Step 1: adiabatic expansion, Step 2: constant volume heating/cooling, Step 3: isothermal expansion/compression. c) Prove Equation 1 by computing the entropy change for the three steps of the ther- modynamic cycle.
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P Example of calculation of work P = 1 Atm V%= 1 litre iii ii P V V,12 V In this cycle the system, which is an ideal monatomic gas, undergoes first isothermal (i) then adiabatic (ii) compression steps, each of which halve the volume, then returns to its starting point via first isothermal (iii) and then adiabatic (iv) expansions, each of which double the volume. How much work is done by the system during the cycle if P, is 1 atmosphere and V, =1 litre?
A 0.150 kg lump of clay is dropped from a height of 1.75 m onto the floor. It sticks to the floor and does not bounce. What is the magnitude of the impulse J imparted to the clay by the floor during the impact? Assume that the acceleration due to gravity is g = 9.81 m/s². J = The force exerted by the floor on the clay is plotted as a function of time in the figure. What must have been the maximum force Fmax exerted by the floor on the clay? Fmax kg. m/s = N Force (N) F max 0 F 7.5 ms Time (ms)
9 PM Thu Apr 29 Problem 1 Unanswered Consider n moles of a monatomic ideal gas that goes through the reversible cycle abca shown in the pV diagram. What is the change in internal energy AUin going from c to a along the curved path? 9 -PoVo A 13 B - PoVo 21 - PoVo 24 -PoVo 2po Po as Vo 4Vo
Consider 2 moles of an ideal monatomic gas at 350 K and 1 atm. First, let the gas expand isothermally and reversibly to twice the initial volume; Second, let this be followed by an isentropic expansion from twice to four times the initial volume. a) How ch heat (in added to the gas in each of these two processes? b) What is the temperature at the end of the 2nd process? c) suppose the 1st process is replaced by an irreversible expansion, into a vacuum, to a total volume twice the initial volume. What is the increase of entropy in the irreversible expansion (in J/K)?
In an adiabatic process for an ideal gas, the pressure decreases. In this process does the internal energy of the gas increase or decrease? Explain.
Correction: "There is an adiabatic expansion to point B"
5:59 PM Thu Apr 29 L 40% O Submit Problem 2 Unanswered An engine runs with an intake temperature of TH = 450K and exhaust temperature of Tc = 300K. The engine's manufacturer claims the engine has an efficiency of 30%. Which of the following statements is correct?- The claimed efficiency is bogus because it violates the 2nd law of A thermodynamics. The claimed efficiency does not violate the 2nd law of thermodynamics. Submit
A certain gasoline engine is modeled as a monatomic ideal gas undergoing an Otto cycle, represented by the p-V diagram shown in the figure. The initial pressure, volume, and temperature are p1 = 1.05 × 105 Pa, V1 = 0.035 m3, and T1 = 290 K, respectively. a)The first step in the Otto cycle is adiabatic compression. Enter an expression for the work performed on the gas during the first step, in terms of V1, V2, and p1. b) Calculate the temperature of the gas, in kelvins, at the end of the first step. c)The fourth and last step in the Otto cycle is isochoric cooling to the initial conditions. Find the amount of heat, in joules, that is discharged by the gas during the fourth step.
1 mole of monatomic ideal gas initially at a volume of 2 L and a pressure of 10 atm is processed through a cycle where it first expands isothermally and reversibly to a final pressure of 2.5 atm, is then reversibly and isochorically cooled to a final temperature of 97.32 K, and then is reversibly and adiabatically compressed back to the initial state. 1. Determine the total work for the cycle 2. Determine change in internal energy for the cycle