3] Five kg of steam at 350 °c contains 15 % moisture. After addition of heat at constant temperature the pressure becomes 2.5 MPaa. Using steam tables, determine a) the steam initial pressure; b) the total heat added; c)the change in enthalpy; e) the change of internal energy; and d) the degrees of superheat at the final condition.
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![3] Five kg of steam at 350 °c contains 15 % moisture. After addition of heat at constant
temperature the pressure becomes 2.5 MPaa. Using steam tables, determine a) the
steam initial pressure; b) the total heat added; c)the change in enthalpy; e) the change
of internal energy; and d) the degrees of superheat at the final condition.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6aa5a1b5-3e69-40e0-bfee-273a76191118%2Fc5d3c8c2-2682-434e-a59e-aa2032e308e6%2Fhysgk9t_processed.jpeg&w=3840&q=75)
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- A cylinder initially has a volume of 0.025 m3 that contains 1.5 moles of gas at a temperature of 0°C at a pressure of 1.35 atm. (1) If the pressure is changed to 0.1 atm, but the amount of gas and the temperature are kept constant, what must the new volume be? (2) Starting from the initial cylinder's conditions above, if an additional 1.2 moles of gas are added to the cylinder, in order to keep the volume and pressure constant, what must the new temperature of the gas be? (3) Starting from the initial cylinder's conditions above, if the volume is changed to 0.1 m3 and temperature is increased to 200°C but the amount of gas in the cylinder is unchanged, find the new pressure in the cylinder.For a certain gas R=0.277 KJ/kg.K and k=1.384, (a) what are the value of Cp and Cv? (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 (d), what are the resulting temperature and pressure? Show IllustrationThe diagram presented represents a thermodynamic process experienced by 27.5mmol (millimoles) of a monatomic ideal gas. The volume axis is divided into equal increments υ0=777cm3 while the pressure axis is divided into equal increments p0=0.301atm. Part (a) How much work, in joules, does the gas perform on its environment during the thermodynamic process represented in the diagram? Part (b) What is the change, in joules, of the internal energy of the gas during the process represented in the diagram? Part (c) How much heat, in joules, is absorbed by the gas during the process represented in the diagram?
- A 100-liter tank contains a mixture of saturated liquid water and saturated steam at 370 °C. a) Find the mass of each phase if their volumes are equal b) Find the volume occupied by each phase if their masses are equal. b) Find the volume occupied by each phase if their masses are equal. Given: Vf = 2.213x10^-3 m^3/kg; vg = 4.925x10^-3 m^3/kgA rigid, well-insulated tank contains air. A partition in the tank separates 12 ft^3 of air at 14.7 lbf/in2, 40◦F (left side of the tank) from 10 ft^3 of air at 50 lbf/in2, 200◦F(right side of the tank), as illustrated in the figure. The partition is removed and air from the two sides mix until a final equilibrium state is attained. The air can be modeled as an ideal gas, and kinetic and potential energy effects can be neglected. (Note: values for the left side of the tank are denoted with a subscript L, and values for the right side of the tank are denoted with a subscript R). a) Determine the final temperature (in F) b) Determine the final pressure (in lbf/in^2) c) Calculate the amount of entropy produced, in Btu/R d) Is this mixing process reversible or irreversible?For a certain ideal gas R = 25.8 ft-lb/lb-R and k = 1.09 (a) What are the values of cp and cv? (b) What mass of this gas would occupy a volume of 15 cu ft and 75 psia and 80F? (c) If 30 Btu are transferred to this gas at constant volume in (b), what are the resulting temperature and pressure?
- 9. Carbon Dioxide and Oxygen is placed each inside a 1m3 tank separated by an isolation valve. Initially, Carbon dioxide has the following properties: P = 20kPag & T = 25°C and that Oxygen has the following properties: P = 30kPag & T = 75°C. If heat is being prevented to escape in the outside surroundings, determine the resulting temperature of the mixture if it is found that after opening the isolation valve, the resulting pressure on both tank is 25kPag. Draw a figure or FBD that will support the problem. Explain each step by step formula.b) The following table lists temperatures and specific volumes of water vapor at twopressures: Data encountered in solving problems often do not fall exactly on the grid of valuesprovided by property tables, and linear interpolation between adjacent table entriesbecomes necessary. Using the data provided here, estimatei. the specific volume at T = 240 °C, p = 1.25 MPa, in m 3 /kgii. the temperature at p = 1.5 MPa, v = 0.1555 m 3 /kg, in °Ciii. the specific volume at T = 220 °C, p = 1.4 MPa, in m 3 /kg6.Determine the phase or phases in a system consisting of H2O at the following conditions and sketch p–v and T–v diagrams showing the location of each state. a) P = 60 lbf/in.2, T = 292.73 F. b) P = 80 lbf/in.2, T = 350 F.c) T = 200 C, p = 2.5 MPa.d) T = 100 C, p = 0.8 bar. e) T = − 15 C, p = 2 bar. can you explain how you know where to plot the point on the graphs. thank you
- A 2 m^3 rigid tank contains water. Initially, 10 L of this water is in saturated liquid phase. The remaining volume of the tank is filled with saturated vapor. The pressure inside the tank is 2 bar. Based on thisinformation:a) What is the total mass of water inside the tank at that moment? b) What is the quality of this mixture?c) What is the average specific volume of this mixture? d) The tank is now heated until the pressure inside is 8 bar. Find the final temperature of water and the total heat input required for this process. Note: Take water as pure substance2 properties are given to define the state of water using pure substance tables given below. Determine the properties or properties requested from you, asked for the following situations, using thermodynamic tables, and show each operation on your paper.a.) T = 200 0C x = 0.95 ν=? b.) P=0.275 mPa ν=0.05 m3/ kg = x? c.) x = 1.0 ν=0.8 m3/ kg = P? T=? d.) P=1700 kPa T = 3000C x=? h=? Phase State=? e.) T = 5000C h = 3487.7 kJ / kg P=? x=? ν=?We have a closed system containing water at a pressure of 0.2 bar. The specific volume is 924.278 cm3/g. For this vapor-liquid mixture, report the fraction of vapor. Use the steam tables and report your answer to three decimal places.