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5.11 A tank containing liquid water in equilibrium with a small amount of vapor at 25...
Saturated liquid water at 10.0 MPa is throttled through a partially open valve (isenthalpic process) and...
Saturated liquid water at 10.0 MPa is throttled through a partially open valve (isenthalpic process) and discharged into a tank at a pressure 0.1 MPa adiabatically, aergonically, and without any change in its kinetic or potential energy. (NOTE: When the pressure on saturated liquid water is suddenly reduced in an adiabatic aergonic, steady flow process, part of the initial liquid is very quickly converted into a saturated vapor at the lower pressure, with the vaporization energy (heat of vaporization) coming...
A rigid tank having a volume of 0.1 m3 initially contains water as a two-phase liquid-vapor...
A rigid tank having a volume of 0.1 m3 initially contains water as a two-phase liquid-vapor mixture at 1 bar and a quality of 1%. The water is heated in two stages: Stage 1: Constant-volume heating until the pressure is 20 bar. (treat as closed system) Stage 2: Continued heating while saturated water vapor is slowly withdrawn from the tank at a constant pressure of 20 bar. (Note: Use transient analysis with all the water leaving having a quality of...
Problem 5(25 points) A rigid tank initially contains a partition that separates water at two different...
Problem 5(25 points) A rigid tank initially contains a partition that separates water at two different states. One side of the partition initially contains 4.5 lbm of steam at 150 psia and 600°F. The other side of the partition contains 7 lbm of saturated liquid 25 percent. The pressure at the final state is 50 psia. -vapor mixture at 300°F with a vapor mass fraction of partition is removed, and mixing occurs until equilibrium is established. The a) b) Determine...
3.12 w A tank contains a two-phase liquid-vapor mixture of Refrigerant 22 at 10 bar. The...
3.12 w A tank contains a two-phase liquid-vapor mixture of Refrigerant 22 at 10 bar. The mass of saturated liquid in the tank is 25 kg and the quality is 60%. Determine the volume of the tank, in mº, and the fraction of the total volume occupied by saturated vapor.
QUESTION 5 A liquid mixture of water and ethanol is sent to a steady-state flash drum...
QUESTION 5 A liquid mixture of water and ethanol is sent to a steady-state flash drum (separator), whErein part of the mixture vaporizes and leaves as a vapor stream, and the remainder exits as a liquid. Which of the general balance term(s) will drop out (be zero) in the total general balance for the flash drum? Choose ALL of the answers that apply. generated out consumed accumulated QUESTION 6 A liquid stream of A and a liquid stream of B...
Liquid water in a closed container at 25 degrees C is in equilibrium with water vapor...
Liquid water in a closed container at 25 degrees C is in equilibrium with water vapor at a pressure of 0.0313 atmospheres. Consider a puddle on a sidewalk at 25 degrees C. If the relative humidity is 38% (i.e., the H2O(g) partial pressure is 0.012 atmospheres) what is the free energy change for evaporation of water from the puddle?
An insulated rigid tank initially contains 5 lb of saturated liquid water-vapor mixture at 40 psia...
An insulated rigid tank initially contains 5 lb of saturated liquid water-vapor mixture at 40 psia with three-quarters of the mass in the liquid phase. An electric resistance heater placed in the tank is turned on until all of the liquid is vaporized. Calculate (a) the exergy destroyed, and (b) the second law efficiency.
A well-insulated rigid tank contains 5.80 kg of a saturated liquid-vapor mixture of water at 225 kPa.
A well-insulated rigid tank contains 5.80 kg of a saturated liquid-vapor mixture of water at 225 kPa. Initially, one-quarter of the mass in the liquid phase. An electric resistor placed in the tank is connected to 240-V source, and a current of 6 A flows through the resistor when the switch is turned on. Determine how long it will take to vaporize all the liquid in the tank in minute.
A rigid tank, whose volume is 0.5 m3, initially containing ammonia at 20oC, 1.5 bar, is...
A rigid tank, whose volume is 0.5 m3, initially
containing ammonia at 20oC, 1.5 bar, is connected by a
valve to a large supply line carrying ammonia at 12 bar,
60oC. The valve is opened only long enough to fill the
tank with additional ammonia, bringing the total mass of ammonia in
the tank to 143.36 kg. Finally, the tank holds a two-phase
liquid-vapor mixture at 20oC. Ignoring kinetic and
potential energy effects, determine the heat transfer between the
tank...
700 grams of an ammonia-water liquid mixture containing 50 wt% ammonia is placed in a close...
700 grams of an ammonia-water liquid mixture containing 50 wt% ammonia is placed in a close container and heated to 100 °F. A liquid-vapor equilibrium mixture forms at this temperature. Use the lever rule to find the weight fraction of ammonia in the liquid and vapor phases. Find the mass of ammonia and water in each phase.
Problem 5(25 points) A rigid tank initially contains a partition that separates water at two different states. One side of the partition initially contains 4.5 lbm of steam at 150 psia and 600°F. The other side of the partition contains 7 lbm of saturated liquid 25 percent. The pressure at the final state is 50 psia. -vapor mixture at 300°F with a vapor mass fraction of partition is removed, and mixing occurs until equilibrium is established. The a) b) Determine...
3.12 w A tank contains a two-phase liquid-vapor mixture of Refrigerant 22 at 10 bar. The mass of saturated liquid in the tank is 25 kg and the quality is 60%. Determine the volume of the tank, in mº, and the fraction of the total volume occupied by saturated vapor.
QUESTION 5 A liquid mixture of water and ethanol is sent to a steady-state flash drum (separator), whErein part of the mixture vaporizes and leaves as a vapor stream, and the remainder exits as a liquid. Which of the general balance term(s) will drop out (be zero) in the total general balance for the flash drum? Choose ALL of the answers that apply. generated out consumed accumulated QUESTION 6 A liquid stream of A and a liquid stream of B...
A rigid tank, whose volume is 0.5 m3, initially
containing ammonia at 20oC, 1.5 bar, is connected by a
valve to a large supply line carrying ammonia at 12 bar,
60oC. The valve is opened only long enough to fill the
tank with additional ammonia, bringing the total mass of ammonia in
the tank to 143.36 kg. Finally, the tank holds a two-phase
liquid-vapor mixture at 20oC. Ignoring kinetic and
potential energy effects, determine the heat transfer between the
tank...
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