The Figure Shows a PV Diagram for 4

question 9

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

---

Definitions:

Greater Value

The increased worth or utility a product, service, or action brings to its stakeholders, usually surpassing its cost or their initial expectations.

Call Center

A centralized office used for receiving or transmitting a large volume of inquiries by telephone, often for customer service.

CIC

A term that may refer to multiple contexts, commonly "Community Interest Company" in the UK, designed for social enterprises that want to use their profits and assets for the public good.

Recommender System

A subclass of information filtering system that seeks to predict the "rating" or "preference" a user would give to an item.