I need the answer as soon as possible [Q5] (a) A 2.5 g of ideal gas at state a has a volume of 0.01 m3and temperature of 30 C, It undergoes the following processesFrom state ato state b volume increases adiabatically to 0.032 m3.From state b to state c it expands isothermally to 0.04 m3.From state c to state d it compressed to 0.02 m3 Of a process PV1.2=const.I- Find total work done.Il- When a heat of 250 J is added to system, what isthe change in internal energy.

Answered: Image /qna-images/answer/77c53911-eb01-40cf-a073-7f50c9854304.jpg

Answered: [Q5] (a) A 2.5 g of ideal gas at state…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A piston/cylinder arrangement contains 2 kg of ammonia at a temperature 132.45 ℃ and a pressure 5 MPa. The piston floats. Heat is added to the system until the temperature of ammonia reaches 416.37 ℃. (a) Determine the phase of ammonia during the whole process (from the initial to the final state). [Hint : Use the tables in App. 5]. b) Show the initial and final points of the process in a T-s and p-v diagram. In both diagrams sketch the dome. Show these two points relative to the dome. (c) Determine the initial and final volume of the piston/cylinder arrangement using tables. (d) Determine the useful work and the heat transfer using tables
3-21 Complete this table for H,O: T, °C Р, КРа u, kJ/kg Phase description 400 1450 220 Saturated vapor 190 2500 4000 3040 3-22 Complete this table for H,O: T, °C Р. КРа U, m'/kg Phase description 140 0.035 550 Saturated liquid 125 750 300 0.140
Determine the specific volume of superheated water vapor at P bar and T°C based on: a) the ideal-gas equațion b) the generalized compressibility chart, and c) the steam tables. d) Determine the error involved in the first two cases. Select Case #7 from the Table 1 for Pressure and Temperature Table 1 Given Pressure and Temperature Case # Pressure (bar) Temperature (°C) 1 40 440 40 500 3 40 • 540 40 600 60 440 60 500 7. 60 540 8. 60 600
Determine the specific volume of superheated water vapor at P bar and T°C based on: a) the ideal-gas equation b) the generalized compressibility chart, and c) the steam tables. d) Determine the error involved in the first two cases. Select Case # 7 from the Table 1 for Pressure and Temperature Table 1 Given Pressure and Temperature Case # Pressure (bar) Temperature (°C) 1 40 440 2 40 500 40 540 4 40 600 60 440 6 60 500 7 60 540 8 60 600
3.10 A quantity of a certain perfect gas is compressed from an initial state of 0-085 m³, 1 bar to a fina! state of 0-034 m², 3-9 bar. The specific heat at constant volume is 0-724 kJ/kg K, and the specific heat at constant pressure is 1-02 LJ/kg K. The obscrved temperature rise is 146 K. Cakulate the specific gas constant, R, the mass of gas present, and the increase of internal energy of the gas.
3. For a certain gas R=0.277 KJ/kg.K and k=1.384, (a) what are the value of Cp and Cu? (b) What mass of this gas would occupy a volume of 0.425 m³ at 517.11 kPa abs and 26.7 oC? (c) If 31.65 kJ of heat are transferred to this gas at constant volume for letter (b), what are the resulting temperature and pressure?
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7. Determine the missing properties and the phase descriptions in the following table for water. You may need help from the properties table. T, °C Р, КРа u, kJ/kg Phase X description A 175 0.6 В 110 1600 C 1500 2950 90 500 E 800 0.0
:the initial quality (x1) is 2 kg of ammonia is contained in a rigid sealed tank at 10 °C. The surroundings temperature is 95 °C. The ammonia is now heated until all ammonia transferred to saturated vapor at 90 °C. Tank Ammonia, 2 kg Ti = 10°C T₂ = 90 c (Sat. Vap.) ₂ Tsum=95 C Below 0.2 O Between 0.2 and 0.4 O Between 0.4 and 0.6 O Between 0.6 and 0.8 O Above 0.8 O
Carbon dioxide (CO2) contained within a piston cylinder undergoes three processes in series: = p1 10 bar, V₁ = 0.25 m³, to V₂ = 2.3 m³ during Process 12: Expansion from which the pressure-volume relationship is pV = constant Process 23: Constant volume heating from state 2 to state 3 where p3 = 10 bar Process 31: Constant pressure compression to the initial state. Sketch (don't have to use a computer) the process in series on a pV diagram (p on y-axis, V on x-asix) and evaluate the moving boundary work for each process.
a d V 3. An ideal gas can be taken from state a to state c in three different paths: a>b>c, a>d>c, and curved path a>c. The pressure of the ideal gas at point a is three times the pressure at point d. Use the following information to answer all questions: Q a>c = -120 J (curved path) W a→c = 75 J (curved path) W a→d→c = 95 J Ua - Ud = 20 J In the given information above we assume that work is done on the gas. a. Find the change in internal energy Ua –Uc. b. Find the heat added to the gas in the process a→d→c. c. Find the work done on the gas in the process a→b>c. d.Find the heat added to the gas in the process a→b>c. P.
Copy of Oxygen (molar mass 32 kg/kmol ) expands reversibly in a cylinder behind a piston at a constant pressure of 3 bar. The volume initially is 0.0119 m3 and finally is 0.0331 m3; the initial temperature is 18.06 0C. Calculate the specific gas constant with the correct unit to two decimal places. Assume oxygen to be a perfect gas and take the specific heat at constant pressure as = 0 . 9 1 7 k J / k g K and molar gas constant as = 8,314 J / kmol K

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