An insulated cylinder fitted with a piston contains 0 1 kg of superheated vapor steam The steam expands to ambient pressure, 100 kPa, at which point the steam inside the cylinder is at 150 61616 C The steam does 50 kJ of work against the piston during the expansion Verify that the initial pressure is 1 19 MPa and find the initial temperature

Question: An insulated cylinder fitted with a piston contains 0.1 kg of superheated vapor steam. The steam expands to ambient pressure, 100 kPa, at which point

An insulated cylinder fitted with a piston contains 0.1 kg of superheated vapor steam. The steam expands to ambient pressure, 100 kPa, at which point the steam inside the cylinder is at 150C. The steam does 50 kJ of work against the piston during the expansion. Verify that the initial pressure is 1.19 MPa and find the initial temperature.

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