The Figure (Not to Scale) Shows a PV Diagram for 1.8

question 38

Multiple Choice

The figure (not to scale) shows a pV diagram for 1.8 g of helium gas (He) that undergoes the process 1 → 2 → 3. Find the value of V₃. The ideal gas constant is R = 8.314 J/mol ∙ K = 0.0821 L ∙ atm/mol ∙ K, and the atomic weight of helium is 4.0 g/mol.

• A) 17 L
• B) 69 L
• C) 34 L
• D) 8.6 L

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