A Sealed 26- Tank Is Filled with 2000 Moles

question 30

Multiple Choice

A sealed 26- tank is filled with 2000 moles of oxygen gas (O₂) at an initial temperature of 270 K. The gas is heated to a final temperature of 460 K. The ATOMIC mass of oxygen is 16.0 g/mol, and the ideal gas constant is R = 8.314 J/mol · K = 0.0821 L · atm/mol · K. The final pressure of the gas is closest to

• A) 0.29 MPa.
• B) 0.31 MPa.
• C) 0.33 MPa.
• D) 0.34 MPa.
• E) 0.36 MPa.

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