The Figure Shows a PV Diagram for 4

question 28

Multiple Choice

The figure shows a pV diagram for 4.3 g of oxygen gas (O₂) in a sealed container. The temperature T₁ of the gas in state 1 is 21°C. What are the temperatures T₃ and T₄ of the gas in states 3 and 4? The ideal gas constant is R = 8.314 J/mol ∙ K = 0.0821 L ∙ atm/mol ∙ K, and the ATOMIC weight of oxygen is 16 g/mol.

• A) -52°C, 390°C
• B) 16°C, 47°C
• C) 220°C, 660°C
• D) 11°C, 32°C

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