The Figure Shows a PV Diagram for 2

question 54

Multiple Choice

The figure shows a pV diagram for 2.9 g of ideal oxygen gas O₂ in a sealed container. The temperature of state 1 is 76° C, the atomic mass of the oxygen atom is 16 g/mol, and R = 8.31 J/mol ∙ K. What are the temperatures T₃ and T₄?

• A) -11° C and 510° C
• B) 57° C and 170° C
• C) 260° C and 790° C
• D) 38° C and 110° C

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