What is the work done during the expansion


Discuss below:

Q: A balloon filled with 40 moles of He at 3 atm pressure and at room temperature (300 K) expands isothermally from a volume Vi to a volume Vf till its pressure falls to 1 atm.

(a) What are Vi and Vf?

(b) What is the work done during the expansion?

(c) What is ΔU?

(d) What is Q (heat exchanged) during the process?

(e) Calculate ΔS directly from the Sackur-Tetrode equation.

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Chemistry: What is the work done during the expansion
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