A 65g sample of xenon at 29815 k is allowed to expand, Ask an Expert

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A 65g sample of xenon at 298.15 K is allowed to expand adiabatically from an initial pressure of 3.0 bar to a final pressure of 0.5 bar. (Cp = 20.786 J/(K mol)), Cv can be found by assuming that xenon is ideal. If this expansion is reversible, what is the final temperature.

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