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An ideal gas at 300 K has a volume of 15 L at a pressure of...

An ideal gas at 300 K has a volume of 15 L at a pressure of 15 atm. Calculate the:

(1)the final volume of the system,

(2) the work done by the system,

(3) the heat entering thesystem,

(4) the change in internal energy when the gas undergoes

a.- A reversible isothermal expansion to a pressure of 10 atm

b.- A reversible adiabatic expansion to a pressure of 10 atm.

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