Air undergoes a constant pressure process at 690 kPa with initial volume of 0.657 cubic meter to a final volume of 0.283 cubic meter, determine:   a) the change in internal energy in kJ   -904.0 -645.9 -858.5 b) the change in enthalpy in kJ

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Q: Air undergoes a constant pressure process at 690 kPa with initial volume of 0.657 cubic meter to a…

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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.