A container filled with 35 kg of liquid water at 95°C is placed in a 90-mroom that is initially at 12°C. Thermal equilibrium isestablished after a while as a result of heat transfer between the water and the air in the room. Assume the room is at thesea level, well sealed, and heavily insulated.Room90 m312°CWater95°CDetermine the final equilibrium temperature. Use the table containing the ideal gas specific heats of various common gases. (You mustprovide an answer before moving on to the next part.)The final equilibrium ten°С.ature is

The properties of the air at room temperature are,

Answered: A container filled with 35 kg of liquid…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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41.394 kg per second of water at 0.03398675 kbarg and internal energy of 15000 kW is heated at constant pressure to saturated vapor and further heated at constant volume process until the pressure is quadrupled. Determine the ratio of the heat added during the constant volume process to the heat added during the constant pressure process. For the steam table, please refer to the green book entitled " Thermodynamic Properties of Water Including Vapor, Liquid, and Solid Phases"
A 70-lbm copper block initially at 220°F is dropped into an insulated tank that contains 1.2 ft3 of water at 65°F. Determine the final equilibrium temperature.
Define T-v diagram for the heating process of water at constant pressure.
A beaker of water sits in the sun until it reaches an equilibrium temperature of30°C.The beaker is made of 100 g of aluminum and contains 180 g of water. In an attempt to cool this system, a small block of ice at 0°C is added to the water. a. Determine the exact mass of ice needed to melt (giving up its latent heat of fusion) and bring the water and beaker temperature down to 0°C. b. If the ice block has a mass of 100 g, determine the final temperature of the system. If it turns out that Tf = 0°C, determine how much ice remains unmelted. c. Repeat your calculations for 50 g of ice.
A beaker of water sits in the sun until it reaches an equilibrium temperature of30°C. The beaker is made of 100 g of aluminum and contains 180 g of water. In an attempt to cool this system, a small block of ice at 0°C is added to the water. a. Determine the exact mass of ice needed to melt (giving up its latent heat of fusion) and bring the water and beaker temperature down to 0°C. b. If the ice block has a mass of 100 g, determine the final temperature of the system. If it turns out that Tf = 0°C, determine how much ice remains unmelted.
Is it possible to compress an ideal gas isothermally in an adiabatic piston–cylinder device? Explain
Determine the internal energy change for carbon monoxide, in kJ/kg, as it is heated from 312° K to 1456° K, using the ideal gas properties table
The volume of a monatomic ideal gas doubles in an adiabatic expansion. By what factor do (a) the pressureand (b) the temperature of the gas change? (c) Verify your answersto parts (a) and (b) by considering 135 moles of gas with an initialpressure of 330 kPa and an initial volume of 1.2 m3. Find the pressure and temperature of the gas after it expands adiabatically to avolume of 2.4 m3.
A 2.99 kg of air at 24.24 C underwent an isentropic process wherein its initial pressure of 52.1 kPa was doubled. Determine the change in enthalpy (kJ) of the system. Consider the individual gas constant, specific heat at constant pressure, and specific heat ratio of air as 0.287 kJ/kg-K, 1.00 kJ/kg-K, and 1.4 respectively. Do not round off the final answer.
Steam at 100°C is condensed into a 62.0 g steel calorimeter cup containing 200 g of water at 29.0°C. Determine the amount of steam (in g) needed for the system to reach a final temperature of 56.0°C. The specific heat of steel is 490 J/(kg · °C).
What is the percentage of error involved in treating carbon dioxide at 5 MPa and 25°C as an ideal gas?
3.0 kg of steam at a pressure of 100 kPa are contained in a rigid sealed tank of volume 5.95 m3. The steam begins to cool as heat is transferred to the atmosphere. When the internal pressure reaches 10 kPa, the tank walls will collapse.a) What is the initial temperature of the steam in the tank (in oC)?b) What will the temperature be in the tank when the walls collapse (in oC)?c) Attheinstantofcollapse,whatisthemassofwaterinthevapourandliquidstate (in kg)?d) Deduce the work done for this process

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