Consider filling a gas cylinder from with ethane from a high-pressure supply line as shown below. Before filling, the cylinder is empty (vacuum). The valve is then opened, exposing the tank to a 3 MPa line at 500 K until the pressure of the cylinder reaches 3 MPa. The valve is then closed. The volume of the cylinder is 50 liters. For ethane, use the truncated virial equation of state, in pressure: Ρυ Z = = 1 + B'P RT With Bethane' = -2.8 × 10-8 [m²] What is the temperature immediately after the valve is closed?

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.