0.15 lbm of neon gas (in a piston cylinder device) at an initial pressure and temperature of 90 psia and 80°F respectively, undergoes an isothermal change until the final volume is three times the initial volume. Determine the final state (pressure and specific volume) and the total entropy change of the gas due to this process. Also determine how much heat was transferred.

Q: Please give a detailed solution. Don't use chatgpt.

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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.