An Expansion Process on an Ideal Diatomic Gas Has a Linear

question 52

Multiple Choice

An expansion process on an ideal diatomic gas has a linear path between the initial and final states on a pV diagram. The initial pressure is 300 kPa, the initial volume is 0.060 m³, and the initial temperature is 390 K. The ideal gas constant is R = 8.314 J/mol ∙ K. The final pressure is 150 kPa and the final temperature is 260K. The work done by the gas is closest to

• A) 4500 J.
• B) 2300 J.
• C) 3400 J.
• D) 5600 J.
• E) 6800 J.

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Definitions:

Theory Perseverance

Proposes that once the mind draws a conclusion, it tends to stick with that conclusion unless there is overwhelming evidence to change it.

Counterfactual Thinking

Imagining alternatives to past or present events or circumstances.

Illusory Correlation

The perception of a relationship between two variables when none exists, often leading to confirmation of erroneous beliefs.

Magical Thinking

The belief that one's thoughts, words, or actions can influence the outcome of events in the physical world in a manner not governed by the laws of physics or logic.