During an experimental test, gas in a cylinder undergoes an expansion and moves a piston. Pressure and volume data taken during the test is given in the table below. Find the thermodynamic work performed by the gas in the cylinder in the process of expanding from a volume of 0.50 liters to 1.20 liters. Use all of the data in the table in calculating the work. Volume (liters) Pressure (kPa) 0.50 1400 0.60 1090 0.70 875 0.80 725 0.90 615 1.00 560 1.10 525 1.20 500

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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.