Question: A 4- m3 uninsulated storage tank, initially evacuated, is connected to a line flowing ethane gas at 10 MPa, 100C. The valve is opened, and

A 4- m3 uninsulated storage tank, initially evacuated, is connected to a line flowing ethane gas at 10 MPa, 100C. The valve is opened, and ethane flows into the tank for a period of time, after which the valve is closed. Eventually, the whole system cools to ambient temperature, 0C, at which time the it contains one-fourth liquid and three-fourths vapor, by volume. For the overall process, calculate the heat transfer from the tank and the net change of entropy.

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Rigid tank V 4 m m 0 Line CH at P 10 MPa T 100 C Flow in then cool to I T0C V 1 m ... View full answer

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