college (physics thermo)

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A 1.20 mol sample of an ideal diatomic gas at a pressure of 1.20 atm and temperature 380 K undergoes a process in which its pressure increases linearly with temperature. The final temperature and pressure are 680 K and 1.83 atm. (assume 5 active degrees of freedom)

b. Determine the work done by the gas.

(Since volume, pressure, and temperature all change, I'm not sure where to go from there with PV=nRT.)

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