An insulated cylinder fitted with a piston contains R-12 at 25°C with a quality of 90% and V=45 L. The piston moves and the R-12 expands until it exists as saturated vapour. During this, R-12 does 7kJ of work against the piston. Determine the final temperature, assuming that the process is adiabatic.

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Thermodynamic Relations, Equilibrium and Stability topics include: Maxwells equation, energy equations, joule kelvin effect, clausis clapeyron equation, variable composition mixtures and equilibrium types. Thermodynamic equilibrium is a stable state where a system's properties remain constant over time. It's a state of equilibrium with respect to all possible changes, including thermal, mechanical, and chemical.  There are three types of thermodynamic equilibrium: Chemical equilibrium: A thermodynamic equilibrium in a system where direct and reverse chemical reactions are possible. In a... Show more

An insulated cylinder fitted with a piston contains R-12 at 25°C with a quality of 90% and V=45 L. The piston moves and the R-12 expands until it exists as saturated vapour. During this, R-12 does 7kJ of work against the piston. Determine the final temperature, assuming that the process is adiabatic.