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Andrej [43]
3 years ago
6

A rigid, insulated tank that is initially evacuated is connected through a valve to a supply line that carries steam at 1 MPa an

d 300 ºC. Now the valve is opened and steam is allowed to flow slowly into the tank until the pressure reaches 1 MPa, at which point the valve is closed. Determine the final temperature of the steam in the tank.
Physics
1 answer:
ss7ja [257]3 years ago
3 0

Answer:

Explanation:

The steam was earlier at 300 ° C. and pressure of 1 MPa. When the gas is allowed to expand against vacuum , work done by the gas is nil because there is no external pressure against which it has to work . Therefore there will not be any change in its internal energy. Since the tank is insulated therefore there is no possibility of external heat to increase its internal energy.

Hence the temperature of gas will remain unaffected.  It will remain stagnant at 300

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