2. A piston-cylinder device contains 0.1 m' of liquid water and 9.0 m' of water vapor inequilibrium at 800 kPa. Heat is transferred at constant pressure until the temperature reaches350°C.a. Calculate the final volume, andb. Show the process on a P-v diagram with respect to saturation lines. (Plot the diagram)

Answered: Image /qna-images/answer/52816da2-8e05-41b9-abdf-d9ca1e2c4521.jpg

Answered: 2. A piston-cylinder device contains…

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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Question 6. The volume of the gas in a closed container with an initial temperature of 20°C is 7 m³ and the pressure is 6 bar. When the volume is brought to 3 m³, the temperature in the container becomes 35° C, what is the pressure of the gas.
Consider a cylinder/piston system containing 2 kg of ammonia as saturated vapor at 20°C is cooled isothermally till its volume is half the initial volume. a. List assumptions to solve problem b. Find pressure, temperature and specific volume after the cooling process? c. Show process on T-v and P-v diagrams showing all phases and equilibrium curves
include explanation plzz..,
A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) 1 atm pressure piston cylinder From previous experiments, this chemical reaction is known to absorb 322. kJ of energy. water bath The temperature of the water bath is monitored, and it is determined from this data that 188. kJ of heat flows out of the gases system during the reaction. O exothermic Is the reaction exothermic or endothermic? O endothermic O up Does the temperature of the water bath go up or ? O down down? O neither O in Does the piston move in or out? O out O neither O does work Does the gas mixture do work, or is work done on it? O work done on it O neither How much work is done on (or by) the gas mixture? Be sure your answer has the correct number of…
Pls explain if the value of ideal gas R is included
A 900-g brass at 100 oC is dropped into 2.27-kg water at 1.60oC. When mixed, the equilibrium temperature is 5.10oC. Find the specific heat of brass. (specific heat of water = 1.00cal/g∙C0)
Q4 Show that for a gas obeying van der Walls equation of state, 2a Cp – Cy = R + vT
Show P - V or T - V diagram and indicate corresponding state.
Consider a tank containing gaseous Helium. It is perfectly insulated and rigid. There is a paddle wheel to stir the Helium, which is rated at 0.12. The paddle wheel is operated for 42 min. Determine the final equilibrium pressure of the He gas, in units of psia. The initial gas conditions are given in the table below: mass (Ibm) T (°F) p (psia) |1.3 68.1 43.5
A piston-cylinder device containing 2kg of saturated H20 at 187 °C has initial specific volume of 0.13 kg/m³. The H20 is then expanded to a pressure of 300 kPa and a temperature of 187 °C. Fill in the following chart of properties for each state, and plot the two states on the given graph. Show all your work on this sheet or the next. State 1 Property P (kPa) State 2 300 T (°C) v (m³/kg) u (kJ/kg) x (phase or quality) 187 187 0.13 V
A sealed vessel with a volume of 200 m³ is heated by a heat source. At the beginning of the process the vessel holds saturated water mixture at a pressure of 120 bar with a liquid fraction of 20%. The vessel is heated until a pressure of 130 bar. For this process: a. Draw the process on a T-V diagram b. Find the total mass of mixture in the vessel C. Find the quality of steam at the end of the process (when P=130 bar) inside the vessel

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