Water is placed on a stove to boil in a container that has a flexible lid so that it can expand with increasing amounts of water vapor while not losing any water to the surroundings. The mass of the water is 2 kg. Initially, the water is a saturated liquid at 100°C, and the boiling process is at constant pressure. 10 kW of heat is added to the water, and the process continues until ¾ of the water has become water vapor.
(a) Determine the time elapsed for the process.
(b) Develop a computer model to simulate this problem, and plot the net heat transfer, the net work done, and the quality of the water all as a function of time. Consider the time to start at 25 s, and to end when the boiling process is complete (i.e., when the water is a saturated vapor).
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