Example 3 : Suppose that 1 kg of saturated water vapor at 100C is condensed to a saturated liquid at 100 C in a constant-pressure process by heat transfer to the surrounding air, which is at 25C. What is the net increase in entropy of the water plus surroundings?

Q: Water at 2.2048 MPa and 500 °C (state 1) is heated at constant pressure in a piston/cylinder…

A: Given:Water at 2.2048 MPa and 500 °C (state 1) is heated at constant pressure in a piston/cylinder…

Q: #6.19 from book "thermodynamics and statistical mechanics"

A: An ideal gas is the gas which obeys’s ideal gas law. As it is in contact with heat/temperature bath…

Q: 90 of hot water having temperature 70 °C is added to 40.0 g of cold water having %3| temperature of…

A:

Q: A truck tire is inflated to 250 kPa, and driven around for a while. After some time (assuming no…

A:

Q: A stream of warm water is produced by mixing 1 kg/s of cool water at 20°C with1 kg/s of hot water at…

A: given that, the mass flow rate of cool water mc = 1 kg/s the temperature of cool water Tc = 20oC =…

Q: #5 In this example we have two glass bubbles connected to one another by a thin tube that is closed…

A: If a hot gas is mixed with a cold gas, heat is transferred from the hot gas to cold gas. This heat…

Q: A piston- cylinder system containing 0.5 lbm of air undergoes two reversible processes as shown in…

A: The temperature at state-1, T1 = 800 °C = 1073 K The temperature at state-2, T2 = 800 °C = 1073 K…

Q: a closed, rigid tank contains only water vapor and has a dew point of 50 Celsius. the total mass of…

A: Given, The dew point of water, Td = 50 °C The temperature of the water, T = 70 °C

Q: You raise the pressure of a gas at constant temperature in a closed system. The entropy of the gas…

A: Given that  Pressure increase  constant temp. closed system  what happened on entropy when pressure…

Q: A block of unknown metal has the following dimensions: 1cm× 1cm×3cm. The block's mass is 27g. What…

A: Since density is defined as the mass contained per unit volume

Q: Estimate the molar entropy of potassium chloride at 5.0 K given that its molar heat capacity at that…

A: The temperature=5K The molar heat capacity of KCl=1.2 mJ/mol.K To Calculate the molar entropy of KCl

Q: A 8.7 kg of lead initially at 210∘C is dropped into an insulated basin containing 21.9 kg of water…

A: Given Information: Mass of lead dropped in the water basin, mL = 8.7 kgInitial temperature of the…

Q: You notice that your air-conditioned classroom's temperature is 18 °C, while the temperature outside…

A: Application of second law of thermodynamics.  Violation of second law of thermodynamics.