A spring-loaded piston-cylinder device contains of m=1 kg carbon dioxide. Initially, the spring has no force on the piston and P₁=500kPa, T₁=150K, V₁=0.1m³. Heat is transferred to the gas, causing the piston to rise and to compress the spring. At the state 2, T₁=900K, V₂=0.3m³. The gas is an ideal gas. (4)What's the boundary work against piston W?__in kj? P1, V1, T1 P2, V2, T2

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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.