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1. you are given a .5 m^3 container containing 9 moles of an ideal diatomic gas...

1. you are given a .5 m^3 container containing 9 moles of an ideal diatomic gas at 0° C, and you want to allow it to reach room temperature (20° C) while staying at the same pressure. You have a choice of holding the volume constant while heating it (process A) and then slowly decompressing the gas isothermally (process B) or simply heating it while maintaining pressure (process C).

a) what is the change in entropy of the gas in going from the initial state to the final state?

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