Question 2 (a) Refrigerant R134a is a common refrigerant that is used in many air conditioning applications, usually packaged in blue color cylinder as shown in Figure 2. The refrigerant R134a is in a liquid form with temperature -35'C. Determine its saturation pressure, specific volume, internal energy and enthalpy.

Q: The INCORRECT statement about the characteristic of critical point of a pure substance is that there…

A: As per given question The INCORRECT statement about the characteristic of critical point of a pure…

Q: From the enthalpy-concentration diagram find the location of heat removed by the condenser. Enthalpy…

A: The location of X is the heat removed by the condenser where the total heat removed by the total…

Q: (c) The saturation pressure and enthalpy of evaporation for refrigerant R134a at 25°C can be found…

A: Using R134 a refrigerant Table A-11  T (oC)         P (kPa) 4                 337.90 5…

Q: Describe the PHASE-CHANGE PROCESSES OF PURE SUBSTANCES

A: Phase is the state of the substance which is physically distinct, chemically homogenous and…

Q: Determine the state of water if P= 40 bar and T= 155 C. Select one: O a. Superheated Vapor O b.…

A: Graph of the boiling point of water and pressure in bar

Q: Item 8 Refrigerant-134a enters a throttle valve as saturated liquid at 40 °C and exits at 388 kPa .…

A: Given: The refrigerant is R134a. The temperature of saturated liquid, T1 = 40°C The pressure of…

Q: d the enthalpy of liquid water at 50°C, 100°C and 120°C Find the enthalpy of saturated vapor at…

A: To determine the enthalpy and latent heat at given conditions.

Q: Q3: The enthalpy of vaporization for water is: H,O H,0 AH =+ 44.0 ki/mole

A: Given: ∆Hvap=44 kJ/mole=44000 J/mole

Q: Determine the specific enthalpy of superheated steam at 0.3 bar pressure and 470 0C. Use the below…

A: Steam pressure, P=0.3 bar Steam temperature, T=470oC

Q: DESCRIBE THE IDEAL-GAS EQUATION OF STATE.

A: The separation between the particles of the ideal gas is very high. The energy of the ideal gas is…

Q: ) A rigid tank contains water vapor at 250 C and unknown pressure. When the tank is cooled to  124…

A:

Q: Fill in the following table for steam

A: Need to fill the table for the given steam

Q: Methane gas (CH) behaves like an ideal gas with y 1.306. Determine the molar heat capacity at…

A:

Q: Define the van der Waals Equation of State.

A: Van der Waals equation establishes the relationship between the pressure, volume, temperature, and…

Q: Describe the hypothetical substance “ideal gas” and the ideal-gas equation of state.

A: A substance can be approximated as an ideal gas if it meets the following criteria, The molecules…

Q: Problem 1: Complete Table 1 for refrigerant-134a using Table A-11, Table A-12, and Table A-1 Table…

A:

Q: A 0.94 m^3 tank contains 4.5 kg of Sulphur dioxide (SO2) at 35°C. What is the gas pressure?

A: Given Data V= 0.94 m3 m=4.5 kg T=35°C=308 K

Q: Define the Saturation Temperature and Saturation Pressure .

A: Saturation Temperature:- Saturation temperature is the temperature of the liquid at saturation…

Q: Red pistoln boiling water bath at TH = 100°C. The volume of the piston is 0.52 liters. This point is…

A:

Q: A water storage tank contains liquid and vapour in equilibrium at 110oC. The distance from the…

A:

Q: Choose the correct statement. A) In condensation, particles move apart from each other. B)In…

A: Solution:

Q: Required Intormation NOTE: This is a multi-part question. Once an answer is submitted, you will be…

A: Given:P1=160 psiaP2=50 PsiaV=19 ft3

Q: Enthalpy of vaporisation is equal to __________at critical point. A. saturation temperature B.…

A: The critical point is the condition of phase equilibrium where there is no distinction between…

Q: Determine the type of steam, given: Temperature: 185°C Pressure: 1.32 MPa O Superheated Vapor O…

A: Given: P=1.32 MPa T=185 C

Q: At what maximum pressure must a be in order to contain water vapor at 10°C? system

A: Giventemperature of the water vapour is 10oC

Q: A rigid tank contains water vapor at 300 C and an unknown pressure. When pain the tank is cooled to…

A:

Q: 10 moles of methanol are contained in a closed, rigid cylinder at a pressure of 1.00 bar. Both…

A: Here, both liquid and vapor are present in the cylinder so we can not use the ideal gas equation to…

Q: A well-insulated rigid tank contains 5kg saturated liquid vapor mixture water with a dryness degree…

A: →Assume the tank is stationary  and thus the kinetic…

Q: 2.  Use the compressibility charts to calculate the temperature of SO2 in a 5 ft3 rigid tank…

A: Given: Volume of the rigid tank→V=5 ft3=5×28.31×10-3 m3=0.141 m3 mass of the gas→m=50…

Q: Vapor quality is the mass fraction in a saturated mixture that is vapor; in other words, saturated…

A: Given data:

Q: The enthalpy of vaporization of a pure substance Select one. Oa Increases with temperature Ob…

A:

Q: With the increase in pressure, a. enthalpy of dr y saturated steam first increases and then…

A:

Q: EPo

A: given:

Q: Determine the type of steam, given: Pressure = 10 MPa: Temp = 300°C O Saturated Liquid Saturated…

A: Given data, P = Pressure of the steam = 10 MPa T = Temperature of the steam = 300 oC To determine,…

Q: Enthalpy of vaporisation is equal to, at critical point. OA saturation point O B. zero OC.…

A: Enthalpy of vaporization : it means the amount of heat needed to change liquid state to vapour…

Q: A rigid tank contains water vapor at 250°C and an unknown pressure. When the tank is cooled to…

A: The vapor starts condensing at 124°C Hence the specific volume of saturated vapor is obtained using…

Q: Give an example of two-phase system can be treated as a homogeneous mixture for convenience.

A: Homogenous mixture –it is defined as the mixture of two or more elements whose chemical compositions…

Q: Determine the type of steam, given: Pressure: 6.4 MPa Enthalpy: 3.2 k/kg.K O Wet vapor O saturated…

A: Given: Pressure P=6.4MPa Entropy: h=3.2kJ/kg.K   (kJ/kg.K is the unit for entropy not for enthalpy…

Q: phase of the substance x= ?

A: a) h=2547.432 Kj/kg      v=2.244215 m3 /Kg     x =0.95 b) T=264.83°C      x=0      v=vf =0.001452 m3…

Q: Using the P–v and T–s diagrams show that in the isobaric process the saturated vapor state can be…

A: It is asked to find the condition of water if the initial state is below the threshold value…

Q: Enthalpy of vaporisation decreases as the O A. temperature or pressure increases. B. temperature or…

A:

Q: Example 3.13 For ammonia at 310 K, estimate the density of: (a) The saturated liquid; (b) (b) The…

A:

Q: Atmospheric pressure boils at 212°F. At the vacuum pressure at 24 in Hg, the temperature is 142°F.…

A:

Q: Which process results in the greatest endothermic change for 10.0g of H2O

A: Endothermic change: In this process, the change in enthalpy occurs which means that the reactant or…

Q: 50 liters at 40 °C temperature and 200 kPa pressure initially in a piston cylinder Assembly liquid…

A: Volume V= 50 litres = 0.05 m3a) The saturated liquid volume is(At 40°C , from saturated water -…

Q: What is the pressure on a pure water surface if it starts to boil at a temperature of 110C. (Answer…

A: If TB is the boiling point at higher pressure PB and T0 at normal pressure P0 then from…

Q: QUESTION 20 Determine the type of steam, given: Temperature- 220C Pressure = 2.21 MPa O Superheated…

A: Given,

Basic Thermodynamic Processes

The word 'thermodynamics' can be divided into two words, 'thermo' and 'dynamics'. The word thermo deals with the heat and thermal phenomenon, whereas dynamics deals with forces or external agent that drives the heat flow or aids in the motion of heat.