Question: A gas (25 mol) with an initial temperature 300 K and pressure 300 kPa is in a cylinder that has a piston. The gas is

A gas (25 mol) with an initial temperature 300 K and pressure 300 kPa is in a cylinder that has a piston. The gas is expanded to double volume by the piston, but the pressure of the gas has no changed, e.g. the pressure is constant. What is the new temperature and how much work was done by the gas?

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