A container of initial volume 2 dm3 and pressure 37 MPa includes a perfect gas and it is closed with a moving piston. The container expands to 4.5 dm3 against an external pressure of 0.1013 MPa, while the temperature of the gas changes from 25.00 ° C to 14.83 C. Was the expansion an adiabatic process or not? answer with calculation!

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