One cubic meter of oxygen at initial pressure of 1 bar and a temperature of 17°C are compressed isentropically to a volume of 0.50m 3 . Use the specific heat at constant volume and pressure are 0.919 kJ/kgK and 0.659 kJ/kgK, respectively. Please answer the following a. The thermodynamic process the problem represents b. the pressure, temperature, and volume after the process c. change in internal energy, change in enthalpy and change in entropy d. work nonflow and heat transferred

One cubic meter of oxygen at initial pressure of 1 bar and a temperature of 17°C are compressed isentropically to a volume of 0.50m 3 . Use the specific heat at constant volume and pressure are 0.919 kJ/kgK and 0.659 kJ/kgK, respectively. Please answer the following a. The thermodynamic process the problem represents b. the pressure, temperature, and volume after the process c. change in internal energy, change in enthalpy and change in entropy d. work nonflow and heat transferred

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 29RQ: If 3000 ft3 of air is crossing an evaporator coil and iscooled from 75F to 55F, what would be the...

See similar textbooks

Similar questions

Water contained in a piston-cylinder assembly undergoes two processes in series (point 1 to point 2 and point 2 to point 3): point 1: T1 = 100°C and P1 = 5bar point 2: 71= 151.9°C and P2 = 5bar and v2 = 0.300 .300 m³ point 3: 73= 200°C and v3 = .300" kg Use the thermodynamic tables A.2, A.3, and A.4 to answer the following questions: For questions 1, 3, and 5 choose from: subcooled water, saturated water, saturated liquid, saturated vapor, superheated vapor 1) What is the thermodynamic state of water at point 1: 2- What is the specific volume of water at point 1: 3) What is the thermodynamic state of water at point 2: 4) What is the quality of water (x) at point 2: 3) What is the thermodynamic state of water at point 3: 4) What is the pressure of water at point 3: (bar) On paper draw points 1, 2, and 3 on the following P-v and T-v diagrams and show the two processes. Add number values, units, and constant pressure or temperature lines if needed. Specify which table you used to find…
=conetant procabese n=0 -n=½ n=2 n=1 7 A fixed mass of an ideal gas undergoes a polytropic process, from an initial pressure, temperature and volume of 180 kPa, 40°C and 1.5 m³ to a final temperature and volume of 180°C and 2.6 m³. How much work is done by the gas in this process (in kJ)? Your Answer: units Answer ph
1. One pound of an ideal gas undergoes an isentropic process from 95.3psig and a volume of 0.6ft3 to a final volume of 3.6 ft3. If cp = 0.124Btu/lb-R and cv = 0.093 Btu/lb-R, determine the final temperature of the gas (°F) and the work done by the gas (Btu). Draw a figure, or graph that will support the problem. Explain each step by step formula.
Table 1: Case # along with the list of pressures P1 and P2 Case # P1 (kPa) P2 (kPa) 1 100 300 150 300 3 200 500 4 250 500 300 500 350 700 7 400 700 8 450 700 (a) show the process on a P-v diagram in reference to the saturation lines, (b) determine the initial and final temperatures, (c) determine the mass of liquid water when the piston first starts moving, and (d) determine the work done during this process. Note: Don't interpolate. Approximate to closest value if needed.
Pls help me for this one asap Thermodynamics 1
estion Completion Status: QUESTION 26 Carbon dioxide (molar mass 44 kg/kmol) expands reversibly in a perfectly thermally insulated cylinder from 3.7 bar, 220 °C to a volume of 0 085 m If the initial volume OCcupied was 0 02 m calculate the gas constant to 3 decimal places. Assume nitrogen to be a perfect gas and take cv = 0 63 k J/kg K QUESTION 27 High-P Low-P Lurh
: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
Air treated as an ideal gas and having a specific heat at constant volume Cv=1200 j/kg.K undergoes a process. During this process, heat is observed to exit the system with an amount of 10 kJ while work is provided to the system with an amount of 23 kJ. If the initial temperature of air was 20 C, what is the final temperature of air if the mass of air undergoing the process is 0.3 Kg. Select one: O a. 59.5 C O b. 48.73 C O c. 63.4 C O d. 56.1 C
1. I just need the graph or figure of it. One pound of an ideal gas undergoes an isentropic process from 95.3psig and a volume of 0.6ft3 to a final volume of 3.6 ft3. If cp = 0.124Btu/lb-R and cv = 0.093 Btu/lb-R, determine the final temperature of the gas (0F) and the work done by the gas (Btu).
Mollier Diagram: Steam Table (Thermodynamics) Using the Steam Table below, find Δhf and Δhg in BTU/lbm and Δsf and Δsg in kJ/kgm-K and for the following parameters: P1 = 9.5 kgf/cm2 P2 = 15 kgf/cm2 NOTE: This table uses SI unit as stated below: Pressure: MPa Temperature: °C Internal Energy and Enthalpy: kJ/kgm Entropy: kJ/kgm-K
2. a. Take B °C, then convert it to Fahrenheit and Kelvin. b. Find the amount of heat needed to change the temperature of B g of ice from -D °C to B °C. The specific heat of water is 4186 J/kg °C, Latent heat of fusion is 3.33 x105 J/kg, laten heat of vaporization 2.25 x 106 J/ kg. c. A patient of mass B kg is spiking a fever of 105 Fahrenheit. The patient is immersed in ice bath 0°C ice to reduce the fever immediately back down to 98.6 Fahrenheit. How much ice must melt (bath stays at 0°C water) for this temperature reduction to be achieved? Latent heat of fusion is 3.33 x105 J/kg. and Specific heat of body is 3500 J/kg °C. d. A Styrofoam ice box has a total area of C/100 m² and walls with an average thickness of 2.50 cm. The box contains beverages at 0°C. The inside of the box is kept cold by melting ice. How much ice melts in one day if the ice box is kept in the trunk of a car at 35.0°C? Thermal conductivity of ice 0.010 J/s m ºC, Latent heat of fusion is 3.33 x105 J / kg. B:27.0…
4. One kg of water at 47.8° C is heated under a constant pressure of 14 bar until it is converted into steam with 110° C of superheat. Determine the quantity of heat supplied during superheating and the total heat of superheated steam. Assume c, = 2.1 kJ/kg K. [Ans. 201 kJ: 2818 kJ] certain amount of team ir pro feration 08 Dw