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A two mole sample of an ideal diatomic gas expands slowly and adiabatically from a pressure...

A two mole sample of an ideal diatomic gas expands slowly and adiabatically from a pressure of 5 atm. and a volume of 10 liters up to a final volume of 30 liters.

a) What is the final pressure of the gas ?,
b) Whatis the heat, work and internal energy?

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