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A 500-ml glass of chilled water at 100C degree is removed from a refrigerator. It slowly equilibrates to the room temperature of 250C degree. Calculate the entropy change of the water, the entropy change of the surroundings, and the entropy change of the universe, all in J/K . Can this process occur? Neglect the heat capacity of the container
a gold processor has three mines of gold ore mine a mine b and mine c. in order to keep his plant running at least 200
in a steam generator compressed liquid water at 1500 psi 100of enters a 1-in diameter tube at the rate of 5 ft3min.
A submarine can safely resist 1800 psig. How deep in the ocean can the submarine travel? I found the answer to be 1205 m. Hope fully this is correct. The follow up question is. Calculate the pressure gradient due to gravity in water at 15 C. Express ..
an adiabatic turbine handles air as the operating fluid such that the air is expanded from 2 mpa and 327 degc to 200
the pistoncylinder contains 0.1 kg r-410a at 600 kpa 60oc. it is now cooled so the volume is reduced to half of the
a pressure gauge reads 23.1 in hg inches of mercury vacuum i.e. -23.1 in hg gauge. the barometer reads 76.0 cm hg. what
a satellite is in earth orbit with an altitude at perigee of 555.0 km and an altitude at apogee of 1200.0 km. a. what
Plot the total mass in the tank, in kg, and the amount of heat transfer, in kJ, versus the final quality x ranging from 0.2 to 1.0
An irreversible heat pump is designed to remove heat at 7 C from the atmosphere and supply 43,200 kJ/h to an industrial process at 420 K . The COP of the actual heat pump is 60% of that of an internally reversible heat pump operating between the same..
the free convection heat transfer coefficient on a thin hot vertical plate suspended in still air can be determined
the steel bolt and anchor assembly is used to reinforce the roof of a passageway in an underground coal mine. in
consider a solid bar in the shape of a hook shown in figure 1. a coordinate system is also shown. a load p is applied
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