A Sealed 89-M³ Tank Is Filled with 6000 Moles of Oxygen

question 45

Multiple Choice

A sealed 89-m³ tank is filled with 6000 moles of oxygen gas (O₂) at an initial temperature of 270 K. The gas is heated to a final temperature of 350 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 initial pressure of the gas is closest to

• A) 0.15 MPa.
• B) 0.17 MPa.
• C) 0.19 MPa.
• D) 0.13 MPa.
• E) 0.11 MPa.

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Definitions:

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, including coronary artery disease and stroke.

Unsaturated Fatty Acids

Fatty acids that contain one or more double bonds between carbon atoms, making them more fluid at room temperature compared to saturated fatty acids.

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A leaf-shaped flap of cartilage located behind the tongue, at the top of the larynx, which prevents food and drink from entering the windpipe during swallowing.

Trachea

The windpipe, a tube extending from the larynx to the bronchi, conducting air to and from the lungs in humans and other animals.