A Quantity of a Monatomic Ideal Gas Expands to Twice

question 23

Multiple Choice

A quantity of a monatomic ideal gas expands to twice the volume while maintaining the same pressure.If the internal energy of the gas were U₀ before the expansion,what is it after the expansion?

• A)U₀
• B)2U₀
• C)4U₀
• D)The change in temperature must also be known to answer this question.

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Definitions:

Placebo Effect

A beneficial effect that cannot be attributed to the properties of a placebo itself, and must therefore be due to the patient's belief in the treatment.

Imaginary Effect

A perceived outcome or result that does not have a basis in physical reality, often associated with placebo effects.

Hypochondriacs

Individuals who excessively worry about having a serious illness despite the absence of medical evidence to support their concerns.

Double-Blind

An experimental design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent biases.