30lb of ice at 32°F is placed in 100lb of water at 100°F. The latent heat of ice may be taken as 144 BTU/lb, Cp of water=1BTU/lb°F, Cp of ice=0.5045 BTU/lb°F. a. 48°F b. 49°F c. 50°F d. 51°F

Q: a) indicate the physical state of A b) indicate the physical state of B c) if the gas is initially…

A: here in the figure of P-V diagram Left side of vapour dome ( inverted U shape) is called as compress…

Q: latent heat is the total thermal energy absorbed or released when a substance changes state. a.…

A: The heat needed to transform a solid into a liquid or vapour phase is known as latent heat. It…

Q: d. The entropy of the system increases. 10. 10J are transferred by heat into a system, at constant…

A: Given Data Constant temperature process Q=10 J

Q: Calculate the volume of a cylinder, in ft3, which contains 53 lbm of carbon dioxide at 238.18°F and…

A:

Q: Q1: a - An electric home stove with 3 burners and microwave is used in preparing a meal as follows.…

A: Given:Number of burners=3,Number of microwave=1,Time to use burner 1, t1=20 minutesTime to use…

Q: 2) A heat pump with the amount of heat of liquid refrigerant (mix) when it will enter the expansion…

A: Answer: The coefficient of performance of the heat pump is 0.575.

Q: a) Prove that water freezes spontaneously at -3. 00 °C and 1. 00 atm, given that Cp, solid = 38. O…

A: Given DataTf=-3°C∆Hfus=6.008kJmol-1CP(Liquid)=75.3JK-1mol-1CP(Solid)=38JK-1mol-1P=1atm

Q: During constant temperature process, the initial pressure and volume are 5 x 109 and 5000 mm3…

A:

Q: Calculate the work done by a system in which 1 kgmole of water completely evaporates at 100°C and 1…

A: Givenwater mass =1 kg mole of waterT=100oCP=1atm=101.325 kPa

Q: Happens when an interaction of the thermometer and matter causes no further change in the system. a.…

A: 1.Option (b). thermal equilibrium is correct. Explanation when an interaction of the thermometer and…

Q: On the Kelvin scale, a temperature of 27 °C has a corresponding value of

A: Temperature, (t)=27oC. Determine the temperature in K.

Q: A freezer uses 100 kJ of electrical energy to move 330 kJ of thermal energy from inside the freezer…

A:

Q: Some foods are just put inside an electric refrigerator. The refrigerator is well-insulated and its…

A: Some foods are just put inside an electric refrigerator. The refrigerator is well-insulated and its…

Q: At what temperature does water boil if P = 2 bar Select one: O a. 120.2 C O b. 45.81 C O c. 77.8 C O…

A:

Q: dropped into 120 cm3 of coffee at 80°C. What will be the final temperature of the mixture? A. 24.8°C…

A:

Q: 16. Calculate the pressure, in kPa, at A, B, C, and D. Air A 0.4m 0.4m 0.5m Water Air B m C Oil…

A:

Q: A spherical gas tank with radius 0.4 m, is evacuated and then filled with oxygen gas at 25°C. To…

A: Option a is correct.

Q: It takes 104 hours to install a heating system in an office building. Theinstallers have already…

A: given:total time =104hoursalready worked=36hour

Q: QUESTIÓN 56 A fluid at 0.8 bar occupying 0.09 m² is compressed reversibly to a pressure of 10. 1 bar…

A: Given data  state 1  p1 = 0.8 bar  V1 = 0.09 m3  state 2 p2 = 10.1 bar  specific volume (v2) = 0.7…

Q: A change in temperature of 50o C is equal to a change of ___

A: Given data:-A change in temperature = 50o C  To find :-A change in temperature of 50o C is equal to…

Q: Air has an initial condition of 49 psia and 138°F undergoes a polytropic process so that the…

A: Given: The pressure of the air, P = 49 psia The temperature of the air, T = 138 F = 597.67 R The…

Q: 2.71 WP A heat pump cycle delivers energy by heat transfer to a dwelling at a rate of 11.7 kW. The…

A:

Q: The net work done during a cycle is the difference between the work done by the system and the work…

A: The given P-V curve consists of two processes, 1-B-2 and 2-A-1 and thus forming a cycle.  In the…

Q: At what temperature does water boil if P = 6 bar Select one: a. 158.9 C b. 147.9 C c. 127.4 C d.…

A: Use of STEAM TABLE.

Q: Don't use chatgpt,I need the correct solution. Answer is provided .

A: Solution is given below...Solution 2: Step 1 Given Data:  Weight of the object (W) = 3 oz = 3/16 lbs…

Q: It is the ratio of the change of the internal energy to the change of temperature       a. Specific…

A: As per given question  It is the ratio of the change of the internal energy to the change of…

Q: D. How many Btu need to be added to change 5 lb of ice at 30°F to steam at 215°F? Refer to tables…

A:

Q: How much heat in Btu must be transferred to 42lb of air to increase the temperature by 250 0F at…

A: Given:-  Mass (m) = 42 lb Temperature change (∆T) = 250 °F Process : Constant Pressure Process For…

Q: Q3/Answer by true or false :  1) All water systems using fan coil units are suitable in buildings…

A: 1)In all water system water is used to heat or cool the conditioned space. In this system a fan coil…

Q: with an aid of a drawing show how a Central cooling system that cool different machinery in the ship…

A:

Q: An electric heater consumes 2.1 kW of electricity at steady state to keep a house at 25 °C The…

A:

Q: 9. A spherical balloon initially having a diameter of 5 in is inflated so that its volume will be…

A: Given: The diameter of balloon initially, d = 5 in The volume of balloon after inflated, V2 = 2V1…

Q: Today forecast is 45°F/27°F. Express the difference between the maximum and minimum temperatures in…

A:

Q: 30. A classroom type room with 45students taking an exam in thermodynamics is expected to release a…

A:

Q: A certain gas has C, value of 1968 J/kgK and C, value of 1507 J/kgK. The value of R is

A:

Q: which of the following statements holds true? what is the answer a. temperature is an extensive…

A: It is required to determine correct statement

Q: Match the following accordingly A. does not violate the first law of thermodynamics B. helps to…

A:

Q: Which of the following are correct and valid for the Kelvin-Plank statement?

A: (a) (b) (d) (f). (g) are correct the options.

Q: In a fixed volume tank, there is initially 0.8 kg of superheated water vapor at a temperature of…

A: Given data   mass of superheated water vapor = 0.8 kg  Initial conditions T1 = 300oC P1 = 1 MPa…

Forms of Energy

Energy is described as the capability to accomplish a task, like the ability to push a block by applying force on it. It is a quantitative property that is used to accomplish work on an object.