A rigid, well-insulated tank contains a two-phase mixture consisting of 0.005 ft3 of saturated liquid water...

A rigid, well-insulated tank contains a two-phase mixture consisting of 0.005 ft3 of saturated liquid water and 2.7 ft3 of saturated water vapor, initially at 14.7 lbf/in.2 A paddle wheel stirs the mixture until only saturated vapor remains in the tank. Kinetic and potential energy effects are negligible. For the water, determine the amount of energy transfer by work, in Btu.

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samet mamat answered 2 years ago

A well-insulated rigid tank contains 3kg of saturated liquid vapour-mixture of water at 250kpa. Initially, three...

A well-insulated rigid tank contains 3kg of saturated liquid vapour-mixture of water at 250kpa. Initially, three quarters of the mass is in the liquid phase. An electric resistance heater placed in the tank is turned on and kept on until all the liquid in the tank is vaporizer. Assuming the surroundings to be 25 degrees Celsius and 100kpa Determine: a) The exergy destruction and b) The second law efficiency for the process.

A rigid tank contains a saturated liquid-vapour mixture of water in an equilibrium state. The volume...

A rigid tank contains a saturated liquid-vapour mixture of water in an equilibrium state. The volume of the tank is 110 m3 and the temperature of the water in the tank is 115°C. In the tank, 70% of the mass is liquid and 30% of the mass is vapour. Please calculate the total mass of water in the tank.

A 500 L rigid tank contains a saturated water mixture at 200 C as shown: the...

A 500 L rigid tank contains a saturated water mixture at 200 C as shown: the mixture is 40% liquid and 60% vapour by volume (State 1). A valve on top of the tank is opened, and saturated vapor is slowly withdrawn from the tank. Heat transfer occurs during this process such that the temperature in the tank remains constant. The valve is closed when 50 % of the initial mass is withdrawn from the tank (State 2) (a) Determine...

A closed, rigid tank contains a two-phase liquid–vapor mixture of Refrigerant 22 initially at -20°C with...

A closed, rigid tank contains a two-phase liquid–vapor mixture of Refrigerant 22 initially at -20°C with a quality of 47.50%. Energy transfer by heat into the tank occurs until the refrigerant is at a final pressure of 6 bar. a) Determine the final temperature, in °C. b) If the final state is in the superheated vapor region, at what temperature, in °C, does the tank contain only saturated vapor?

A two-phase liquid–vapor mixture of Refrigerant 134a is contained in a 2-ft3, cylindrical storage tank at...

A two-phase liquid–vapor mixture of Refrigerant 134a is contained in a 2-ft3, cylindrical storage tank at 100 lbf/in.2 Initially, saturated liquid occupies 1.6 ft3. The valve at the top of the tank develops a leak, allowing saturated vapor to escape slowly. Eventually, the volume of the liquid drops to 0.6 ft3. If the pressure in the tank remains constant, determine (a) the mass of refrigerant that has escaped, in lb, and (b) the heat transfer, in Btu. PLEASE USE THE...

A 10-ft3 tank contains a saturated mixture of refrigerant R-134a at a pressure of 40 psia....

A 10-ft3 tank contains a saturated mixture of refrigerant R-134a at a pressure of 40 psia. If the saturated liquid occupies 2% of the volume, determine the a) total mass (lbm) b) quality c) average internal energy (Btu lbm) d) temperature (℉).

A well-insulated tank of 50 m3 volume initially contains 16,000 kg of water distributed between liquid...

A well-insulated tank of 50 m3 volume initially contains 16,000 kg of water distributed between liquid and vapor phases at 25°C. Saturated steam at 1500 kPa is admitted to the tank until the pressure reaches 800 kPa. What mass of steam is added (kg)?

A rigid tank contains hydrogen and has a volume of 4.1 ft3. It is initially at...

A rigid tank contains hydrogen and has a volume of 4.1 ft3. It is initially at 87°F and 1,072 psia. Hydrogen then leaks from the tank until it is 76°F and 158 psia. How much heat transfer occurred into the tank, in Btu. Answer negative if heat left the tank.

A rigid insulated tank is initially divided into two sections by a partition. One side contains...

A rigid insulated tank is initially divided into two sections by a partition. One side contains 1.0 kg of saturated-liquid water initially at 6.0 MPa, and the other side is evacuated. The partition is broken, and the fluid expands into the entire container. The total volume is such that the final equilibrium pressure is 3.0 MPa. Determine a) the initial volume of the saturated liquid in liters, b) the total volume of the entire tank in liters,

4.17 A rigid insulated tank is divided into two parts, one that contains 1 kg of...

4.17 A rigid insulated tank is divided into two parts, one that contains 1 kg of steam at 10 bar, 200 °C, and one that contains 1 kg of steam at 20 bar, 800 °C. The partition that separates the two compartments is removed and the system is allowed to reach equilibrium. What is the entropy generation? This is the problem in the book Fundamentals of Chemical Engineering Thermodynamics 1st edition. In the solution, it says first obtain volume and...

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