The Figure Shows a PV Diagram for 4

question 22

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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