change in molar specific enthalpy.

Q: mass of hydrogen

A: m=0.19820Kg T2= 0.5478 K

Q: Saturated water vapor at (T1,P1) is condensed to a saturated liquid at (T2,P2) in a spring-loaded…

A: State 1: T1,P1State 2: T2,P2T1>T2

Q: Water at 200 kPa with a quality of 25% has its temperature raised 30 C in a constant pressure What…

A: The initial pressure is The initial quality is The final pressure is The final temperature is

Q: An ideal gas enclosed in a 1.77ft3 rigid tank initially at 70°C and 0.93kg/cm2 . Find the…

A: Given data,  V1= 1.77 ft3 = V2 (volume of tank is going to be constant.)  T1= 70°C = 343 K  P1= 0.93…

Q: Three moles of an ideal gas expand isothermally at 400 K to 3.0 times the initial volume. What is…

A: Thermodynamics

Q: iven 280 liters of a gas at a 63.5 cm Hg. The gas has a specific heat at constant pressure of 0.847…

A: GivenQ=280ltr=0.280 m3P1=63.5 cm HgCp=0.847 kJ/kgKCv=0.659 kJ/kgKP2=5 atmV2=? adiabatic process

Q: Refrigerant-134a Arigid tank contains saturated liquid and vapor mixture of Refrigerant-134a at 30…

A:

Q: A 0.2833?? drum contains saturated vapor @ 37.77°C. What are the pressure and mass of vapor in the…

A:

Q: What is the volume of 0.5 kg of superheated steam at 15 bar and 400oC ?

A: Here the volume is V=0.103 m3Explanation:

Q: The vacuum in a condenser is found to be 71.12 cm of Hg (barometer 76 cm of Hg) and the temperature…

A: Here, From the steam table 1 kg of steam at 30oC will exert a pressure of 0.04242 bar and have a…

Q: The molar mass of an unknown ideal gas is 15 g/mol. Find the mass in kg of 0.2 m3 of this gas at…

A:

Q: A piston-cylinder holds water at the critical point. The water then expands isothermally until the…

A: The problem is based on concepts of thermodynamics and can be solved as:

Q: Using data from previous problem, if O.05 kg of gas leaks out of the tank and in the process the…

A:

Q: A gas is transferred to an empty 0.7m3 cylinder until the pressure reaches 9MPaa. The temperature of…

A: Given question belongs to subject Engineering thermodynamics. Which can be solved by Ideal-Gas…

Q: piston cylinder arrangement contains 0.11 kg of Nitrogen and recieves 11.78 kJ of heat isothermally.…

A:

Q: a. 8 MPa, 200 K b. 8kPa, 300K c. 150 K,v=0.05 m³/kg

A: Given: The critical temperature of methane is 190.7 k  Critical pressure of water is 45.8 atm

Q: deal gas with a molecular man of 30 is contained in an inflexible tark. It is heated from 259.45 °C…

A:

Q: work against the piston. How much work is done during the process? How much error would be made by…

A: To determine the work done in the process and percentage error in the steam behaviour in ideal…

Q: For the situations below briefly explain how you obtained the values and provide the numerical…

A: It is required to determine properties for given process

Q: You have steam at 700°C with specific volume 0.230.  Calculate its specific enthalpy in KJ/kg.

A: Calculated specific enthalpy in KJ/kg.

Q: piston-cylinder device initially contains 65-L of liquid water at 40C and 190 kPa. Heat is…

A: Given Data V1 =65 L =0.065 m3 State 1: 190 kPa, 40°C

Q: Q1: A piston-cylinder device contains 1 kg of nitrogen at 100 kPa and 25°C. the nitrogen is heated…

A: givenmass of nitrogen m=1kgpressure P=100Kpatemperature T=25oC=298Kafter constant pressue…

Q: There are 1.5 kgm of gas for which R=0.377kJ/kg-K and k=1.3 that undergo an isometric process from…

A: To find: The change in enthalpy. Given: The value of gas constant is R=0.377 kJkg·K. The mass is…

Q: Calculate the temperature in K of air at 13.2 MPa with a specific volume of 2.52×10-3 m3/kg using…

A:

Q: nd the specific volume of steam at 90 psia and 650˚F using the ideal gas law. What is the percent…

A: (a) The pressure is  and temperature is (b) The pressure is  and temperature is .(c) The pressure is…

Q: Your steam has a Data of 5.32 MPa and 325 ℃. Find v, u, h and s.

A:

Q: The quality of water is 50% at 500 psia. Calculate the specific volume.

A: 1psia=6894.75Pa 500 psia = 3.44 Mpa Quality =50%=0.5 From the steam table  At 3.44 Mpa vf=0.001233…

Q: Assume 20 lbm of an ideal gas with R=50 ft-lb/lb-R and k=1.18 are heated from 75 to 200F. What is…

A:

Q: A quantity of air is heated from 30 °C to 110 °C. Assume air is an ideal gas, in which is has…

A:

Q: A spring-loaded piston-cylinder device contains   of carbon dioxide. Initially, the spring has no…

A:

Q: A kilogram of Argon gas( MW= 40 kg/kmol, k=5/3) is in a piston cylinder set-up. Initially, it has…

A:

Q: Consider the following table for Refrigerant-134a. Required: а) Complete the table and show all…

A: Given Data: The refrigerant used, R-134 a

Q: Steam at 100°C is added to ice at 0°C. (a) Find the amount of ice melted and the final temperature…

A:

Q: An ideal gas having a gas constant of 0.4 kJ/(kg K) has a pressure of 2 bar and a temperature of 400…

A:

Q: How many kilograms of -5 °C ice per day will melt and evaporate to steam after adding a total of…

A:

Q: A piston-cylinder arrangement contains 2 kg of steam originally at 200°C and x=0.9. The volunie…

A:

Q: Two kilograms of Methane gas underwent an isopiestic process from 200C to 300C. Find the change in…

A:

Thermodynamic Relations

Thermodynamics is the division of physics that deals with the transfer of any kind of energy, whether it be heat, temperature, or work, from one object to another.