a. Heat of vaporization is exactly equal to the heat of condensation.
b. Vaporizing 1 kg of water at 8 atm will require more heat than at 1 atm as boiling point depends directly on atmospheric pressure.
c. Cooking takes more time in open container as heat is consumed in doing work against surrounding also, hence here cooking time will be shortest in a container covered with a heavy lid and longest in open lid container.
Must the amount of heat absorbed as 1 kg of saturated liquid water boils at 100...
A mass of 0.2 kg of saturated liquid water is completely vaporized at a constant pressure of 100 kPa. Determine; (a) The volume change. (b) The amount of heat added to the water. (c) Show the process on a (p-v) diagram.
A constant pressure piston/cylinder has 1 kg of saturated liquid water at 100 kPa. a rigid tank contains air at 1200k, 1000 kPa. they are now thermally connected by a reversible heat engine cooling air tank and boiling the water to saturated vapor. Find the required amount of air and the work out of the heat engine.
What is the amount of heat (kJ) required to vaporize 1.75 kg of saturated liquid water at 55 C to saturated vapor while maintaining constant pressure? Select one: O a. required heat = 4189.1 kJ. b. required heat = 4168.5 kJ. c. required heat = 4147.2 kJ. d. required heat = 4126.0 kJ. e. required heat = 4104.5 kJ. Which of the following is correct regarding the zeroth law of thermodynamics? Select one: O a. it describes how a system...
nts) Calculate the change in internal energy during the conversi . (20 poi on of 2 kg of saturated liquid water to saturated vapor i 100 kPa? Assuming heat is added to the piston cylinder in the process, what is the work performed by the piston (boundary work)? What is the required heat in if you assume a heat loss of 50 kJ during the process? Please show work using a T-v AND P-v diagram n a piston cylinder at...
12. Liquid methane boils at 112°K and one atmosphere pressure. The heat energy absorbed is 2.22 kcal per mole of CH4. Calculate AS for the process CH4(1→ CH4(g) (112°K, 1 atm)
6. Saturated water vapor is cooled and condensed into saturated liquid water in an isobaric process at a pressure of 100 kPa. Find The heat transferred per kg of H20, q1-2 The work done per kg of H20, w1-2 a. b.
(a) Calculate the entropy and free energy change per mole when liquid water boils at 1 atm pressure. assume that for water ∆Hvap =2095.50 KJ/Kg (b) State whether the process is spontaneous or not
Pleases help me thanks. 5 kg of liquid water at 100°C was converted to steam at 100°C by boiling at standard atmospheric pressure, in the arrangement of the figure below. The volume of the water changed from an initial value of 0.005 mº as a liquid to 8.355 mº as steam. Latent heat of vaporization for water Lv = 2256 kJ/kg. Standard atmospheric pressure is 1 atm or 1.01 x 109 Pa. Loaded Piston Steam Insulation Insulation Liquid water Thermal...
How to solve this question (b) A mass of 500 g of saturated liquid water is completely vaporised at a constant pressure of 100 kPa. (i) Draw a schematic of the states as well as the P-v diagram of the vaporisation process. (ii) Determine the volume change. (iii) Determine the amount of energy transferred to the water. (c) Given a vessel with V = 0.4 m3 filled with m = 2 kg of water at P = 600kPa: (i) Explain...
A piston-cylinder device initially contains 1.78 kg saturated liquid water at 200°C. Now heat is transferred to the water until the volume quadruples and the cylinder contains saturated vapor only. Determine (a) the final volume of the tank, m (Round to six decimal places.) (b) the final temperature and pressure, MPa and (c) the internal energy change of the water kJ 0 Water 1.78 kg 200 C