Question: 4 - 2 0 9 Consider a well - insulated piston - cylinder device that contains 4 kg of liquid water and 1 kg of

4 - 209

Consider a well

-

insulated piston

-

cylinder device that contains

4

kg of liquid water and

1

kg of water vapor at

120 C

and is maintained at constant pressure. Now a

5 - k g

copper block at

30 C

is dropped into the cylinder. Determine the equilibrium temperature inside the cylinder once thermal equilibrium is established, and the mass of the water vapor at the final state.

4 - 2 0 9 Consider a well - insulated piston -

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