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In an Isothermal process the temperature stays thes same as the volume and pressure are allowed...

In an Isothermal process the temperature stays thes same as the volume and pressure are allowed to change. In such a proces the work is found by W=nRTln (VfVi), with n as the number of moles, R as the constant 8.31 J/mole*K . How much work is done in an isothermal process of an ideal gas starting at a pressure of 225 kPa, and 0.0370 m3 volume as it expands to a volume of 0.199 m3?

   

If the gas is then compressed isobarically back to its initial volume and finally returns to the initial pressure and volume ischorically. What is the total work done in this cycle?

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