EBK FUNDAMENTALS OF THERMODYNAMICS, ENH
9th Edition
ISBN: 9781119321453
Author: Sonntag
Publisher: JOHN WILEY+SONS,INC.-CONSIGNMENT
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Chapter 2, Problem 2.92P
Refrigerant
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Chapter 2 Solutions
EBK FUNDAMENTALS OF THERMODYNAMICS, ENH
Ch. 2 - Are the pressure in the tables absolute or gauge...Ch. 2 - What is the minimum pressure for liquid carbon...Ch. 2 - When you skate on ice, a thin liquid film forms...Ch. 2 - Is it possible to have water vapor at 5 ?Ch. 2 - At higher elevations, as in mountains, air...Ch. 2 - Water at room temperature and room pressure has...Ch. 2 - Can a vapor exist below the triple point...Ch. 2 - Ice cubes can disappear and food can dry out...Ch. 2 - In Example 2.lb, is there any mass at the...Ch. 2 - Prob. 2.10P
Ch. 2 - Prob. 2.11PCh. 2 - How does a constant-v process for an ideal an as...Ch. 2 - Prob. 2.13PCh. 2 - As the pressure of a gas becomes larger, Z becomes...Ch. 2 - Carbon dioxide at 280K can be in three different...Ch. 2 - Find the lowest temperature at which it is...Ch. 2 - Water at 27C can exist in different phases,...Ch. 2 - Dry ice is the name of solid carbon dioxide. How...Ch. 2 - Prob. 2.19PCh. 2 - A substance is at 2MPa and 17C in a rigid tank....Ch. 2 - Prob. 2.21PCh. 2 - Determine the phase of water at a. T260°C.P5MPa b....Ch. 2 - Determine the phase of the substance at the given...Ch. 2 - Give the missing property of PvT and x for water...Ch. 2 - Prob. 2.25PCh. 2 - Determine whether refrigerant R410A in each of the...Ch. 2 - Prob. 2.27PCh. 2 - Fill out the following table for substance...Ch. 2 - Prob. 2.29PCh. 2 - Prob. 2.30PCh. 2 - Determine the specific volume for R410A at these...Ch. 2 - Place the three states ac listed in previous...Ch. 2 - Find P and x for CH4 at a. T=155K,v=0.04m3/kg b....Ch. 2 - Give the specific volume of carbon dioxide at 40C...Ch. 2 - You want a pot of water to boil at 105C . How...Ch. 2 - Water at 400kPa a quality of 75 has its pressure...Ch. 2 - Prob. 2.37PCh. 2 - Saturated water vapor at 200kPa is in a...Ch. 2 - Saturated liquid water at 60C is put under...Ch. 2 - A constant pressure piston cylinder has water at...Ch. 2 - A glass jar is filled with saturated water at...Ch. 2 - Prob. 2.42PCh. 2 - Saturated vapor R4l0A at 60C has to pressure...Ch. 2 - Prob. 2.44PCh. 2 - Ammonia at 20C with a quality of 50 and a total...Ch. 2 - Repeat the previous problem if the outlet valve is...Ch. 2 - R134a is in a sealed, rigid vessel of 2m3 as...Ch. 2 - A storage tank holds methane at 120K , with a...Ch. 2 - A 400m3 storage tank is being constructed to hold...Ch. 2 - Prob. 2.50PCh. 2 - Carbon dioxide at 6000kPa,40C is cooled in a...Ch. 2 - Prob. 2.52PCh. 2 - A 1m3 tank is filled with a gas at room...Ch. 2 - Prob. 2.54PCh. 2 - A pneumatic cylinder (a piston cylinder with air)...Ch. 2 - Is it reasonable to assume that at the given...Ch. 2 - Helium in a steel tank is at 250kPa,300K with a...Ch. 2 - A spherical helium balloon l0m in diameter is at...Ch. 2 - A glass is cleaned in hot water at 35°C and placed...Ch. 2 - Prob. 2.60PCh. 2 - Prob. 2.61PCh. 2 - A rigid tank of 1m3 contains nitrogen gas at...Ch. 2 - Assume we have three states of saturated vapor...Ch. 2 - Prob. 2.64PCh. 2 - Prob. 2.65PCh. 2 - Prob. 2.66PCh. 2 - A cy1inica1 gas tank 1m long, with an inside...Ch. 2 - Ammonia in a piston cylinder arrangement is at...Ch. 2 - Find the compressibility factor (Z) for saturated...Ch. 2 - Find the compressibility factor for methane at a....Ch. 2 - Find the compressibility for carbon dioxide at 60C...Ch. 2 - What is the percent error in specific volume if...Ch. 2 - Estimate the saturation pressure of R142b at 300K...Ch. 2 - A bottle a volume of 0.1m3 contains butane with a...Ch. 2 - Find the volume of 2kg of ethylene at 270K,2500kPa...Ch. 2 - Prob. 2.76PCh. 2 - Argon is kept in a rigid 5m3 tank at 30C and 3MPa...Ch. 2 - Prob. 2.78PCh. 2 - A new refrigerant, R152a . is stored as a liquid...Ch. 2 - Determine the pressure of nitrogen at...Ch. 2 - Prob. 2.81PCh. 2 - Determine the pressure of nitrogen at...Ch. 2 - Carbon dioxide at 60C is pumped at a very high...Ch. 2 - Prob. 2.84PCh. 2 - Prob. 2.85PCh. 2 - A tank contains 8.35kg of methane in 0.1m3 at 250K...Ch. 2 - Do the previous problem using the Redlich-Kwong...Ch. 2 - Prob. 2.88PCh. 2 - Determine the unknowns of T, v and x if two phase...Ch. 2 - Prob. 2.90PCh. 2 - Give the phase and the missing properties of P, T,...Ch. 2 - Refrigerant R410A in a piston/cylinder arrangement...Ch. 2 - Water in a piston cylinder is at 90C,100kPa , and...Ch. 2 - A tank contains 2kg of saturated ammonia vapor at...Ch. 2 - Prob. 2.95PCh. 2 - Prob. 2.96PCh. 2 - Determine the mass of methane gas stored in a 2m3...Ch. 2 - Prob. 2.98PCh. 2 - What is the percent error in pressure if the ideal...Ch. 2 - Prob. 2.100PCh. 2 - Use a linear interpolation to estimate the missing...Ch. 2 - Use a linear interpolation to estimate Tsat at...Ch. 2 - Use a double linear interpolation to find the...Ch. 2 - Cabbage needs to be cooked (boiled) at 250 F. What...Ch. 2 - Prob. 2.105EPCh. 2 - If I have 1ft3 of ammonia at 15psia,60F , what is...Ch. 2 - Prob. 2.107EPCh. 2 - Prob. 2.108EPCh. 2 - A substance is at 300lbf/in.2,65F in a rigid tank....Ch. 2 - For water at 1 atm with a quality of 10 find the...Ch. 2 - Prob. 2.111EPCh. 2 - Determine the phase of the substance at the given...Ch. 2 - Prob. 2.113EPCh. 2 - Prob. 2.114EPCh. 2 - Prob. 2.115EPCh. 2 - Give the missing property of P, T, v, and x for a....Ch. 2 - Saturated liquid water at 150F is put under...Ch. 2 - Prob. 2.118EPCh. 2 - You want a pot of water to boil at 220F . How...Ch. 2 - Prob. 2.120EPCh. 2 - Saturated vapor R4l0A at 100F has its pressure...Ch. 2 - Prob. 2.122EPCh. 2 - Prob. 2.123EPCh. 2 - A pressure cooker has the lid screwed on tight. A...Ch. 2 - Prob. 2.125EPCh. 2 - Repeat the previous problem if the outlet valve is...Ch. 2 - Prob. 2.127EPCh. 2 - Prob. 2.128EPCh. 2 - A cylindrical gas tank 3ft long, with an inside...Ch. 2 - A spherical helium balloon 30ft in diameter is at...Ch. 2 - Helium in a steel tank s at 36psia , 540R with a...Ch. 2 - A 35ft3 rigid tank has propane at 25psia,540R and...Ch. 2 - What is the percent error in specific volume if...Ch. 2 - Air in a car tire is initially at 10F and 30psia ....Ch. 2 - Prob. 2.135EPCh. 2 - Prob. 2.136EPCh. 2 - R4l0A at 200psia , 100F is cooled in a closed...Ch. 2 - Refrigerant- 410A in a piston cylinder arrangement...Ch. 2 - A substance is at 70F,300Ibf/in.2 in a 10ft3 tank....Ch. 2 - Estimate the saturation pressure of R142b at 540R...Ch. 2 - Determine the mass of an ethane gas stored in a...Ch. 2 - Determine the pressure of R410Aat100F,v=0.2ft3/ibm...Ch. 2 - Prob. 2.143EP
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- At the beginning, there is air in the insulated piston cylinder device with a volume of 20L at 25 degrees Celsius 250 kPa Conditions Then, by operating the heater with 220 V and 10A value for 2 minutes, the temperature of the air increases. Using the average specific heat assumption, find the temperature and the boundary work (kJ) in the final case. Air will be considered the ideal gas.arrow_forward2. 0.3 kg of carbon dioxide is contained in the cylinder with the piston. Initial conditions are 200 kPa, 30 °C. It was compressed to 600 kPa by an isothermal process (a process where the temperature is constant). Find out what has been done during this process.arrow_forwardA pipe with a valve connects two vessels A and B of different sizes. Vessel A contains 142 L of air at 2767.92 kPa, 930C. Vessel B of unknown volume, contains air at 68.95 kPa, 40C. The valve is opened and when the properties of the mixed gas has been determined, it is found that pm = 1378.96 kPa and tm = 430C. What is the volume of vessel B?arrow_forward
- Thermodynamics 2, Please show the complete solution Thank you very mucharrow_forwardQ2// The initial state of air is 120 KPa and 320K with volume 0.11 m3 which is compressed isothermally until reaching its half volume and after that it is compressed at constant pressure until reaching 4 volume of the initial volume. Find the pressure, the volume and temperature in each state.arrow_forward3kg of Co2 expanded in a stationary piston cylinder through a polytropic process from 30 degree Celsius and 250 kpa to 100kPa pressure. If the polytropic exponent, n = 1.45, find the total work, total heat transferred, total kinetic energy change and internal energy changearrow_forward
- The molar specific heat at constant volume of an ideal gas is equal to 2.5times the universal gas constant (8.314J/mol-K). When the temperature increases by 150K. Find the change in molar specific enthalpy.arrow_forwardIf 6 liters of air at a pressure of 100 kPaa and 25 0 C are compressed reversiblyaccording to PV 2 = C, until the volume becomes 2 liters. Please answer the following a. The thermodynamic process the problem representsb. the pressure, temperature, and volume after the processc. change in internal energy, change in enthalpy and change in entropyd. work nonflow and heat transferredarrow_forwardThe tank of a leaky air compressor originally holds 90 L of air at 33deg C and 225 kPa. During a compression process, 4 grams of air is lost; the remaining air occupies 42 L at 550 kPa. What is the temperature of the remaining inair in degree centigrade.arrow_forward
- 4. A pressure cooker (closed tank) contains water at 100°C, with the liquid volume being 1/20th of the vapor volume. It is heated until the pressure reaches 2.0 MPa. Find the final temperature. Has the final state more or less vapor than the initial state?arrow_forwardA reciprocating compressor compresses air 1/8 th times of its initial volume. If the pressure of air beforecompression is 5 bar and volume of air after compression is .016m 3 , when the law followed is pv 1.6 =constant. Calculate the work done and draw the process on PV diagram.arrow_forward3.56 Refrigerant-12 in a piston/cylinder arrangement is initially at 50° C, x = 1. It is then expanded in a process so that P = Cv to a pressure of 100 kPa. Find the final temperature and specific volume.arrow_forward
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